The R13B03 release.OTP_R13B03

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+<?xml version="1.0" encoding="latin1" ?>
+<!DOCTYPE chapter SYSTEM "chapter.dtd">
+
+<chapter>
+  <header>
+    <copyright>
+      <year>2004</year><year>2009</year>
+      <holder>Ericsson AB. All Rights Reserved.</holder>
+    </copyright>
+    <legalnotice>
+      The contents of this file are subject to the Erlang Public License,
+      Version 1.1, (the "License"); you may not use this file except in
+      compliance with the License. You should have received a copy of the
+      Erlang Public License along with this software. If not, it can be
+      retrieved online at http://www.erlang.org/.
+    
+      Software distributed under the License is distributed on an "AS IS"
+      basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+      the License for the specific language governing rights and limitations
+      under the License.
+    
+    </legalnotice>
+
+    <title>SNMP Release Notes history</title>
+    <prepared></prepared>
+    <responsible></responsible>
+    <docno></docno>
+    <approved></approved>
+    <checked></checked>
+    <date></date>
+    <rev></rev>
+    <file>notes_history.xml</file>
+  </header>
+
+  <section>
+    <title>SNMP Development Toolkit 4.10.3</title>
+    <p>Version 4.10.3 supports code replacement in runtime from/to
+      version 4.10.2, 4.10.1 and 4.10.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <!-- 
+      <list type="bulleted">
+        <item>
+          <p>The snmp documentation source has been converted
+            from SGML to XML.</p>
+          <p>Own Id: OTP-6771</p>
+        </item>
+      </list>
+      -->
+      <p>-</p> 
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] The configuration option 
+            <seealso marker="snmp_app">inform_request_behaviour</seealso>
+            was not properly parsed, which caused the manager to revert 
+            to the default value, <c>auto</c>. </p>
+          <p>Own Id: OTP-7219</p>
+        </item>
+
+      </list>
+      <!-- <p>-</p> -->
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section> <!-- 4.10.3 -->
+
+
+  <section> <!-- 4.10.2 -->
+    <title>SNMP Development Toolkit 4.10.2</title>
+
+    <p>Version 4.10.2 supports code replacement in run-time from/to
+      version 4.10.1 and 4.10</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <!--
+      <p>-</p> 
+      -->
+
+      <list type="bulleted">
+        <item>
+          <p>[compiler] The MIB-compiler did not recognize well-known-names
+            as top parents. The names 'ccitt' (0) , 'iso' (1) and 
+            'joint-iso-ccitt' (2) is now also recognized by the MIB 
+            compiler. </p>
+          <p>Ola Samuelsson</p>
+          <p>Own Id: OTP-7160</p>
+        </item>
+
+        <item>
+          <p>[compiler] The MIB-compiler did not support a name assignment
+            which was sequence of numbers, only a parent object
+            name followed by a sequence of numbers. </p>
+          <p>Ola Samuelsson</p>
+          <p>Own Id: OTP-7158</p>
+        </item>
+
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <!--
+      <p>-</p> 
+      -->
+      <list type="bulleted">
+        <item>
+          <p>[agent] Invalid variable value causes crashing agent worker 
+            process when sending traps. </p>
+          <p>Own Id: OTP-7159</p>
+        </item>
+
+        <item>
+          <p>[agent] When sending a trap, the order of the variable 
+            bindings not provided by the trap-sender, could be
+            mangled by the agent. </p>
+          <p>Ola Samuelsson</p>
+          <p>Own Id: OTP-7157</p>
+        </item>
+
+        <item>
+          <p>[agent] Uninstalling MEs when unloading mibs incorrect and 
+            therefor never done. </p>
+          <p>Own Id: OTP-7153</p>
+        </item>
+
+        <item>
+          <p>[agent] snmp_generic:table_set_cols/3 did not handle unexpected
+            return values correctly when setting column values. </p>
+          <p>Serge Aleynikov</p>
+          <p>Own Id: OTP-7152</p>
+        </item>
+
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section> <!-- 4.10.2 -->
+
+
+  <section> <!-- 4.10.1 -->
+    <title>SNMP Development Toolkit 4.10.1</title>
+
+    <p>Version 4.10.1 supports code replacement in run-time from/to
+      version 4.10</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p> 
+      <!--
+      <list type="bulleted">
+	<item>
+	  <p>Added buffer sizes (both receive and send) of
+            the udp socket(s) info when calling the 
+            <seealso marker="snmpa#info">agent info</seealso> 
+            and
+            <seealso marker="snmpm#info">manager info</seealso> 
+            function(s). </p>
+	  <p>Own Id: OTP-6945</p>
+	</item>
+
+      </list>
+      -->
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <!--
+      <p>-</p> 
+      -->
+      <list type="bulleted">
+        <item>
+          <p>[manager] Fixed usage of inet:gethostname/1. </p>
+          <p>Dialyzer</p>
+          <p>Own Id: OTP-7123</p>
+        </item>
+
+        <item>
+          <p>[agent] Remeoved invalid guard. There was an invalid
+            guard on the start function of the top agent 
+            supervisor. </p>
+          <p>Dialyzer</p>
+          <p>Own Id: OTP-7121</p>
+        </item>
+
+        <item>
+          <p>[compiler] Old style fun cleanup in the MIB compiler. </p>
+          <p>Dialyzer</p>
+          <p>Own Id: OTP-7119</p>
+        </item>
+
+        <item>
+          <p>Corrected usage of function file:open/2 (the <c>Modes</c> 
+            argument is a list). </p>
+          <p>Own Id: OTP-7110</p>
+          <!-- <p>Aux Id: Seq 10717</p> -->
+        </item>
+
+        <item>
+          <p>The SNMP application contains some (previously undocumented) 
+            simple utility functions for function tracing (using dbg),
+            see 
+	    <seealso marker="snmp#enable_trace">enable_trace</seealso>, 
+	    <seealso marker="snmp#disable_trace">disable_trace</seealso>, 
+	    <seealso marker="snmp#set_trace1">set_trace/1</seealso>, 
+	    <seealso marker="snmp#reset_trace">reset_trace</seealso> and 
+	    <seealso marker="snmp#set_trace2">set_trace/2</seealso> 
+	    for more info. 
+	    These functions are intended to make it easy to enable tracing on
+            individual functions.
+            There where some minor errors, which has now been corrected. </p>
+          <p>Own Id: OTP-7109</p>
+          <!-- <p>Aux Id: Seq 10717</p> -->
+        </item>
+
+        <item>
+          <p>There is a bug in snmp_pdus:enc_oct_str_tag/1.  
+            All the enc_* functions are supposed to return 
+            a flat list, but the second clause of this function 
+            does not.  If it gets a binary it returns a deep list. </p>
+          <p>Martin Bj&ouml;rklund</p>
+          <p>Own Id: OTP-7083</p>
+          <!-- <p>Aux Id: Seq 10717</p> -->
+        </item>
+
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section> <!-- 4.10.1 -->
+
+
+  <section> <!-- 4.10 -->
+    <title>SNMP Development Toolkit 4.10</title>
+    <!--
+    <p>Version 4.10 supports code replacement in run-time from/to
+      version 4.9.6</p>
+    -->
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+	<item>
+	  <p>Added buffer sizes (both receive and send) of
+            the udp socket(s) info when calling the 
+            <seealso marker="snmpa#info">agent info</seealso> 
+            and
+            <seealso marker="snmpm#info">manager info</seealso> 
+            function(s). </p>
+	  <p>Own Id: OTP-6945</p>
+	</item>
+
+        <item>
+          <p>[agent] Added the ability to change the request limit  
+            in run-time, see 
+            <seealso marker="snmpa#set_request_limit">set_request_limit</seealso>
+            for more info. </p>
+            <p>Own Id: OTP-6898</p>
+        </item>
+
+        <item>
+          <p>Added the ability to change the audit trail log type 
+            in run-time (both agent and manager), see function(s) 
+            <seealso marker="snmpm#set_log_type">[manager] set_log_type</seealso>
+            and 
+            <seealso marker="snmpa#set_log_type">[agent] set_log_type</seealso>
+            for more info. </p>
+            <p>Own Id: OTP-6841</p>
+        </item>
+
+	<item>
+	  <p>[agent] Added support for message filtering in the network
+            interface module provided with the application. 
+            The component that actually make the filter decisions is the 
+            network interface filter module. This module must implement the 
+            <seealso marker="snmpa_network_interface_filter">network interface filter behaviour</seealso>. 
+            See also the 
+            <seealso marker="snmp_app#configuration_params">Configuring the application</seealso> 
+            chapter of the User's Guide to see how to configure this 
+            feature. </p>
+	  <p>Own Id: OTP-6649</p>
+	</item>
+
+      </list>
+      <!-- 
+      <p>-</p> 
+      -->
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <p>-</p> 
+      <!--
+      <list type="bulleted">
+        <item>
+          <p>[agent] The order in which the processes in the snmp agent
+            where terminated was incorrect. This could, in some
+            case's, lead to incoming request(s) being processed
+            during the application termination phase. This, in
+            turn, could lead to various process crashes (when
+            expected resources where no longer available). </p>
+          <p>Own Id: OTP-6805</p>
+          <p>Aux Id: Seq 10717</p>
+        </item>
+
+      </list>
+      -->
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section> <!-- 4.10 -->
+
+  <section>
+    <title>SNMP Development Toolkit 4.9.6</title>
+    <p>Version 4.9.6 supports code replacement in run-time from/to
+      version 4.9.5, 4.9.4, 4.9.3, 4.9.2, 4.9.1 and 4.9.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <!-- 
+      <list type="bulleted">
+        <item>
+          <p>The snmp documentation source has been converted
+            from SGML to XML.</p>
+          <p>Own Id: OTP-6771</p>
+        </item>
+      </list>
+      -->
+      <p>-</p> 
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[compiler] The MIB compiler did not handle import
+            of the macro from the MIB RFC1155-SMI. </p>
+          <p>Own Id: OTP-6840</p>
+          <p>Aux Id: Seq 10726</p>
+        </item>
+
+        <item>
+          <p>Bad length check (i.e. none) when decoding
+            AuthenticationParameters. </p>
+          <p>Own Id: OTP-6843</p>
+        </item>
+
+      </list>
+      <!-- <p>-</p> -->
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section> <!-- 4.9.6 -->
+
+  <section>
+    <title>SNMP Development Toolkit 4.9.5</title>
+    <p>Version 4.9.5 supports code replacement in run-time from/to
+      version 4.9.4, 4.9.3, 4.9.2, 4.9.1 and 4.9.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <!-- 
+      <list type="bulleted">
+        <item>
+          <p>The snmp documentation source has been converted
+            from SGML to XML.</p>
+          <p>Own Id: OTP-6771</p>
+        </item>
+      </list>
+      -->
+      <p>-</p> 
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] The order in which the processes in the snmp agent
+            where terminated was incorrect. This could, in some
+            case's, lead to incoming request(s) being processed
+            during the application termination phase. This, in
+            turn, could lead to various process crashes (when
+            expected resources where no longer available). </p>
+          <p>Own Id: OTP-6805</p>
+          <p>Aux Id: Seq 10717</p>
+        </item>
+
+        <item>
+          <p>[agent] In version 4.9.4 some requests could be
+            handled single threaded regardless of the value of 
+            the multi_thread config option. </p>
+          <p>Own Id: OTP-6815</p>
+          <p>Aux Id: Seq 10724</p>
+        </item>
+      </list>
+      <!-- <p>-</p> -->
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.9.4</title>
+    <p>Version 4.9.4 supports code replacement in run-time from/to
+      version 4.9.3, 4.9.2, 4.9.1 and 4.9.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>The snmp documentation source has been converted
+            from SGML to XML.</p>
+          <p>Own Id: OTP-6771</p>
+        </item>
+      </list>
+      <!-- <p>-</p> -->
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Unexpected worker process termination.
+            When the agent is multi-threaded (multi_thread = true), 
+            sending a request to the agent with an invalid context
+            could lead to an unexpected worker process termination.
+            This is a non-fatal problem since the master-agent 
+            would simply create a new worker process. </p>
+          <p>Own Id: OTP-6784</p>
+          <p>Aux Id: Seq 10689</p>
+        </item>
+      </list>
+      <!-- <p>-</p> -->
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section> <!-- 4.9.4 -->
+
+  <section>
+    <title>SNMP Development Toolkit 4.9.3</title>
+    <p>Version 4.9.3 supports code replacement in run-time from/to
+      version 4.9.2, 4.9.1 and 4.9.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Changing own [usm] pass-phrase when agent is
+            multi-threaded did not work.</p>
+          <p>Scott Lystig Fritchie</p>
+          <p>Martin Bj&ouml;rklund</p>
+          <p>Own Id: OTP-6712</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.9.2</title>
+    <p>Version 4.9.2 supports code replacement in run-time from/to
+      version 4.9.1, 4.9 &amp; 4.8.4.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Incorrect default verbosity (trace) for target cache.</p>
+          <p>Own Id: OTP-6571</p>
+          <p>Aux Id: Seq 10437</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.9.1</title>
+    <p>Version 4.9.1 supports code replacement in run-time from/to
+      version 4.9 &amp; 4.8.4.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Used wrong DEFVAL for vacmAccessStorageType
+            (volatile instead of nonVolatile) in SNMP-VIEW-BASED-ACM-MIB. </p>
+          <p>Martin Bj&ouml;rklund</p>
+          <p>Own Id: OTP-6569</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.9</title>
+    <p>Version 4.9 supports code replacement in run-time from/to
+      version 4.8.4, 4.8.3, 4.8.2, 4.8.1 and 4.8.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Added documentation for 
+            <seealso marker="snmp#passwd2localized_key">snmp:passwd2localized_key/3</seealso>. </p>
+          <p>Own Id: OTP-6540</p>
+        </item>
+        <item>
+          <p>The 
+            <seealso marker="snmp#config">snmp:config/0</seealso>
+            utility function assumes by default
+            current working dir as the directory to write config
+            files. This is a problem since there are two files
+            that share the same name, usm.conf, one for the agent 
+            and the other for the manager. Some extra checks has 
+            been added to be able warn the user about this possible 
+            conflict. </p>
+          <p>Own Id: OTP-6532</p>
+        </item>
+        <item>
+          <p>Minor documentation improvement for module snmp_generic. </p>
+          <p>Own Id: OTP-6518</p>
+        </item>
+        <item>
+          <p>[agent] Improve error handling of missing target params 
+            config. </p>
+          <p>Own Id: OTP-6487</p>
+        </item>
+        <item>
+          <p>Minor improvement to the mnesia snmp indexing. </p>
+          <p>Own Id: OTP-6415</p>
+        </item>
+        <item>
+          <p>Include the INET-ADDRESS-MIB mib in the SNMP application. </p>
+          <p>Own Id: OTP-6383</p>
+        </item>
+        <item>
+          <p>Added utility modules to read, write and update the config
+            files of the 
+            <seealso marker="snmpa_conf">agent</seealso> and 
+            <seealso marker="snmpm_conf">manager</seealso>. </p>
+          <p>Own Id: OTP-6318</p>
+        </item>
+        <item>
+          <p>[agent] Improve behaviour during massive trap-
+            sending. This is done in two way's:</p>
+          <list type="bulleted">
+            <item>
+              <p>Improving performance of the target(s) cache 
+                (which is used during trap/notification sending). </p>
+            </item>
+            <item>
+              <p>A slightly better flow control, making it more 
+                difficult to actually overload the agent.</p>
+            </item>
+          </list>
+          <p>Own Id: OTP-6317</p>
+          <p>Aux Id: Seq 10437</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>Incorrect handling of decrypt failure resulting in 
+            incorrect error reporting. Applies to both the
+            agent and the manager. Detected by dialyzer. </p>
+          <p>Own Id: OTP-6533</p>
+        </item>
+        <item>
+          <p>[manager] Invalid guard on function snmpm:agn/5 
+            made it impossible to reach this particular clause.
+            Detected by dialyzer. </p>
+          <p>Own Id: OTP-6529</p>
+        </item>
+        <item>
+          <p>Miscellaneous minor corrections, such as 
+            removing "dead code". Detected by dialyzer. </p>
+          <p>Own Id: OTP-6515</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.8.4</title>
+    <p>Version 4.8.4 supports code replacement in run-time from/to
+      version 4.8.3, 4.8.2, 4.8.1 and 4.8.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] An Audit Trail Log entry was sometimes done 
+            using a list instead of the expected binary for the 
+            snmp packet. This caused an error when converting the 
+            log to a text-file. </p>
+          <p>Own Id: OTP-6408</p>
+          <p>Aux Id: Seq 10547</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.8.3</title>
+    <p>Version 4.8.3 supports code replacement in run-time from/to
+      version 4.8.2, 4.8.1 and 4.8.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Verification of ViewTreeFamily 
+            (SNMP-VIEW-BASED-ACM-MIB) incorrect.
+            No values other then <c>null</c> and <c>[]</c> where accepted. </p>
+          <p>Own Id: OTP-6337</p>
+          <p>Aux Id: Seq 10509</p>
+        </item>
+        <item>
+          <p>[agent] Start with type <c>takeover</c> did not work. </p>
+          <p>Own Id: OTP-6340</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.8.2</title>
+    <p>Version 4.8.2 supports code replacement in run-time from/to
+      version 4.8.1 and 4.8.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Add time-stamp to the verbosity printouts. </p>
+          <p>Own Id: OTP-6214</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>A badly formatted debug printout caused console printouts. </p>
+          <p>Own Id: OTP-6247</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.8.1</title>
+    <p>Version 4.8.1 supports code replacement in run-time from/to
+      version 4.8, 4.7.4 and 4.7.3.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>Removed an io:format in mini mib utility (used when
+            converting logs). </p>
+          <p>Own Id: OTP-6177</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.8</title>
+    <p>Version 4.8 supports code replacement in run-time from/to
+      version 4.7.4 and 4.7.3.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Added a config option, <c>sndbuf</c>, for the net_if-module(s).  
+            See 
+            <seealso marker="snmp_app">application configuration</seealso> or
+            <seealso marker="snmp_config">running the application</seealso> 
+            for more info (look for manager_net_if_options and 
+            agent_net_if_options). </p>
+          <p>Own Id: OTP-6137</p>
+        </item>
+        <item>
+          <p>Improve error handling of the log_to_txt function(s). 
+            [snmpm|snmpa]:log_to_txt on a non-existing log-file 
+            causes an obscure error reason.</p>
+          <p>Own Id: OTP-6149</p>
+        </item>
+        <item>
+          <p>Performance improvement when converting audit trail logs.</p>
+          <p>Own Id: OTP-6164</p>
+          <p>Aux Id: Seq 10362</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[compiler] Allow empty definitions for SMI-II mibs,
+            i.e. mibs are allowed to only contain the
+            MODULE-IDENTITY construct. </p>
+          <p>Own Id: OTP-6150</p>
+          <p>Aux Id: Seq 10333</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.7.4</title>
+    <p>Version 4.7.4 supports code replacement in run-time from/to
+      version 4.7.3, 4.7.2, 4.7.1 and 4.7.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Add another example, 
+            <seealso marker="snmp_impl_example_manager">ex2</seealso>. 
+            This example is basically a simple manager module. </p>
+          <p>Own Id: OTP-6042</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] v1 trap sending minor problems. When sending a
+            v1 trap, the wrong record type (#pdu{}) was used to
+            access the type field (which does not exist in the
+            #tranpdu{} record). This value is used when logging.</p>
+          <p>Own Id: OTP-6077</p>
+        </item>
+        <item>
+          <p>[manager] Type guard error.</p>
+          <p>Kostis Sagonas.</p>
+          <p>Own Id: OTP-6074 (dialyzer)</p>
+        </item>
+        <item>
+          <p>Misc Dialyzer warnings.</p>
+          <p>Own Id: OTP-6068</p>
+        </item>
+        <item>
+          <p>[manager] Default value tags may conflict with actual
+            host name. When storing default values for agents, the
+            tag, default, was used for address (and port). This
+            could conflict with an actual host name.</p>
+          <p>Own Id: OTP-6062</p>
+        </item>
+        <item>
+          <p>Misc doc corrections.</p>
+          <p>Own Id: OTP-6044</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.7.3</title>
+    <p>Version 4.7.3 supports code replacement in run-time from/to
+      version 4.7.2, 4.7.1 and 4.7.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>Misc compiler warning cleanup.</p>
+          <p>Own Id: OTP-6031</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.7.2</title>
+    <p>Version 4.7.2 supports code replacement in run-time from/to
+      version 4.7.1 and 4.7.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Improve handling of empty messages. Today 
+            when receiving an empty (size = 0) udp message, this 
+            will result in a decode failure (a catched function 
+            clause), which in turn will be passed on to the user, 
+            via a call to the 
+            <seealso marker="snmpm_user#handle_error">handle_error</seealso> 
+            callback function, in the <c>Reason</c> argument. 
+            This has now been changed so that instead, the 
+            <c>Reason</c> argument will get a <c>empty message</c> 
+            value.</p>
+          <p>See  
+            <seealso marker="snmpm_user#handle_error">handle_error</seealso> 
+            for more details. </p>
+          <p>Own Id: OTP-6024</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Some error cases are reported to the 'user'
+            with the ReqId and Reason swapped in the call to the
+            <seealso marker="snmpm_user#handle_error">handle_error</seealso> 
+            callback function.</p>
+          <p>Own Id: OTP-5992</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.7.1</title>
+    <p>Version 4.7.1 supports code replacement in run-time from/to
+      version 4.7, 4.6.1 and 4.6.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Added new version info print functions, 
+            <seealso marker="snmp#print_version_info">print_version_info</seealso>.</p>
+          <p>Own Id: OTP-5968</p>
+        </item>
+        <item>
+          <p>Updated the documentation for the 
+            <seealso marker="snmpa#log_to_txt">agent</seealso> and 
+            <seealso marker="snmpm#log_to_txt">manager</seealso>
+            log_to_txt functions.</p>
+          <p>Own Id: OTP-5969</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] The supervision structure contained several
+            errors which unnecessarily caused a complete restart of 
+            the manager.</p>
+          <p>Own Id: OTP-5963</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.7</title>
+    <p>Version 4.7 supports code replacement in run-time from/to
+      version 4.6.1 and 4.6.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Add simple backup mechanism, 
+            see <seealso marker="snmpa#backup">agent backup</seealso> 
+            and <seealso marker="snmpm#backup">manager backup</seealso>.</p>
+          <p>Own Id: OTP-5870</p>
+        </item>
+        <item>
+          <p>Improve handling of faulty data base files.</p>
+          <p>Added new agent and manager config option, 
+            <c>db_init_error</c>, see 
+            <seealso marker="snmp_config">config</seealso> for more 
+            info.</p>
+          <p>Own Id: OTP-5934</p>
+          <p>Aux Id: Seq 10202</p>
+        </item>
+        <item>
+          <p>Added possibility to configure restart type for each of 
+            the components (default is permanent for the agent and 
+            transient for the manager).
+            See <seealso marker="snmp_config">config</seealso> for more 
+            info.</p>
+          <p>Own Id: OTP-5935</p>
+        </item>
+        <item>
+          <p>[compiler] Improve error printouts.</p>
+          <p>Own Id: OTP-5937</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.6.1</title>
+    <p>Version 4.6.1 supports code replacement in run-time from/to
+      version 4.6.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] SNMP sha/aes decryption did not work. </p>
+	  <p>Magnus Fr&ouml;berg</p>
+          <p>Own Id: OTP-5834</p>
+        </item>
+        <item>
+          <p>[agent] The SNMP agent internal data base (local db)
+            uses dets, and does not properly handle error's from
+            e.g. lookup.</p>
+          <p>Own Id: OTP-5838</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.6</title>
+    <p>Version 4.6 supports code replacement in run-time from/to
+      version 4.5.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Improved application start flexibility. It is now 
+            possible to start snmp application components (agent
+            or manager) after the application has been started.
+            It is even possible to start an "empty" snmp 
+            application and start the agent and/or manager 
+            afterwords. See 
+            <seealso marker="snmp#start_agent">start_agent</seealso> and 
+            <seealso marker="snmp#start_manager">start_manager</seealso>.</p>
+          <p>Own Id: OTP-5797</p>
+          <p>Aux Id: Seq 10128</p>
+        </item>
+        <item>
+          <p>[agent] Adding utility function to convert old 
+            application config to current agent config.
+            See the <seealso marker="snmpa#convert_config">convert_config</seealso> 
+            for more info.</p>
+          <p>Own Id: OTP-5787</p>
+        </item>
+        <item>
+          <p>Improved handling of audit trail logs.
+            See the <seealso marker="snmp_app">atl_repair</seealso> 
+            config for more info.</p>
+          <p>Own Id: OTP-5771</p>
+        </item>
+        <item>
+          <p>[manager] Introduced the 
+            <seealso marker="snmpm#notify_started">notify_started</seealso> 
+            function used by a <em>client</em> to get a notification 
+            when the manager is started.</p>
+          <p>Own Id: OTP-5763</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>Misc documentation corrections.</p>
+          <p>Own Id: OTP-5829</p>
+          <p>Aux Id: Seq 10152</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.5</title>
+    <p>Version 4.5 supports code replacement in run-time from/to
+      version 4.4.1 and 4.4.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Introduced the 
+            <seealso marker="snmp_app">inform request behaviour</seealso> 
+            configuration option to allow the user to specify
+            how/when the manager shall acknowledge inform-request's.</p>
+          <p>Own Id: OTP-5733</p>
+        </item>
+        <item>
+          <p>[manager] In order to improve application behaviour,
+            all callback function (see the 
+            <seealso marker="snmpm_user">snmpm_user behaviour</seealso>) 
+            calls
+            are now done by spawned processes (and not as previously
+            by the SNMP manager server process).</p>
+          <p>Own Id: OTP-5726</p>
+        </item>
+        <item>
+          <p>[manager] In order to present the various error 
+            reason's returned by the manager, a 
+            <seealso marker="snmpm#format_reason">format_reason</seealso> 
+            function has been added.
+            The error reasons this function handles are those
+            returned by the (sync and async) get, get-next, 
+            get-bulk and set-functions 
+            (see the <seealso marker="snmpm">snmpm</seealso> module) 
+            as well as the 
+            <c>Reason</c> argument of the 
+            <seealso marker="snmpm_user#handle_error">handle_error</seealso> 
+            function of the 
+            <seealso marker="snmpm_user">user callback module</seealso>.</p>
+          <p>Own Id: OTP-5581</p>
+          <p>Aux Id: Seq 9870</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] The (error) report according to RFC 2572, chapter
+            7.2 point 6) was never sent.</p>
+          <p>Own Id: OTP-5742</p>
+        </item>
+        <item>
+          <p>[agent] Check of notification name collision
+            could fail due to incorrect record name (assumed to
+            be <c>#trap</c>, but could also be <c>#notification</c>). 
+            This only cases a problem when the application is 
+            compiled with the strict_record_tests option.</p>
+          <p>Own Id: OTP-5740</p>
+        </item>
+        <item>
+          <p>[agent] Table get-request failure in some cases.</p>
+          <p>Own Id: OTP-5732</p>
+          <p>Aux Id: Seq 10087</p>
+        </item>
+        <item>
+          <p>Explicitly sync all audit trail log's upon termination.</p>
+          <p>Own Id: OTP-5727</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] The 
+            <seealso marker="snmpm_network_interface">snmpm_network_interface</seealso> 
+            behaviour has been updated (see 
+            <seealso marker="snmpm_network_interface#inform_response">inform_response</seealso> and 
+            <seealso marker="snmp_manager_netif">definition of the manager net if</seealso>).</p>
+          <p>Own Id: OTP-5733</p>
+        </item>
+      </list>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.4.1</title>
+    <p>Version 4.4.1 supports code replacement in run-time from/to
+      version 4.4.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Add monitoring of the SNMP manager.
+            The SNMP application consists of two different
+            run-time parts, the agent and the manager. They are
+            independent of each other. The agent is "permanent"
+            and the manager "transient". In order to handle
+            manager crashes a simple 
+            <seealso marker="snmpm#monitor">monitor</seealso> 
+            (and <seealso marker="snmpm#demonitor">demonitor</seealso>) 
+            function has been added.</p>
+          <p>Own Id: OTP-5720</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] If sending a set-request containing an
+            'OCTET STRING' with an invalid integer (valid integer
+            are 0-255), the encoding will fail and cause the
+            net_if process to crash.</p>
+          <p>Own Id: OTP-5719</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.4</title>
+    <p>Version 4.4 supports code replacement in run-time from/to
+      version 4.3.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Updated and extended the 
+            <seealso marker="snmpa#info">agent</seealso>
+            info retrieval function. Also added an info retrieval 
+            function for the 
+            <seealso marker="snmpm#info">manager</seealso>.</p>
+          <p>Own Id: OTP-5666</p>
+        </item>
+        <item>
+          <p>[manager] Added get-bulk functionality, see (sync) get-bulk
+            and (async) get-bulk for more info.</p>
+          <p>Own Id: OTP-5669</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Mini-MIB not properly initiated which could 
+            cause a server crash if the name_to_oid or oid_to_name
+            functions where called (if no mib's where loaded).</p>
+          <p>Own Id: OTP-5675</p>
+        </item>
+        <item>
+          <p>[manager] The out packet counter was not incremented for 
+            sent v1/v2 messages.</p>
+          <p>Own Id: OTP-5676</p>
+        </item>
+        <item>
+          <p>[manager] The request GC process was started with the 
+            wrong default value (idle) which could (unlikely but 
+            still) cause problems after a code-change.</p>
+          <p>Own Id: OTP-5678</p>
+        </item>
+        <item>
+          <p>Bad handling of error cases (corrupt log file) when 
+            converting log files (i.e. when calling the function 
+            log_to_txt).</p>
+          <p>Own Id: OTP-5703</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] The format of the info returned by the agent 
+            info retrieval function has been changed. The info 
+            can be converted to the old format by calling the 
+            <seealso marker="snmpa#old_info_format">old_info_format</seealso>).</p>
+          <p>function. </p>
+          <p>Own Id: OTP-5666</p>
+        </item>
+      </list>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.3</title>
+    <p>Version 4.3 supports code replacement in run-time from/to
+      version 4.2.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Improved async error reporting.</p>
+          <p>Own Id: OTP-5637</p>
+          <p>Aux Id: Seq 9970</p>
+        </item>
+        <item>
+          <p>Added support for The Advanced Encryption Standard (AES) 
+            Cipher Algorithm in the SNMP User-based Security Model 
+            (RFC 3826). Both agent and manager. </p>
+	  <p>Martin Bj&ouml;rklund</p>
+          <p>Own Id: OTP-5490</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Reset of USM-cache when unregister agent.</p>
+          <p>Own Id: OTP-5636</p>
+          <p>Aux Id: Seq 9970</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.2</title>
+    <p>Version 4.2 supports code replacement in run-time from/to
+      version 4.1.5.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Added another get, get-next and set function
+            with another argument, <c>ExtraInfo</c> (see 
+            synchronous get (g), asynchronous get (ag), 
+	    synchronous set (s), asynchronous set (as), 
+	    synchronous get-next (gn), and asynchronous get-next (agn)). 
+            This argument is passed on to the net-if process. The net-if 
+            process included in this application makes no use of this 
+            info, but other implementations might.</p>
+          <p>Own Id: OTP-5574</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+        <item>
+          <p>[manager] <c>report</c> message with incorrect security info
+            (e.g. securtyModel and/or securityLevel) was ignored (dropped, 
+            except for incrementing the proper error counter) even if all 
+            other info was correct. This has been changed so that in this
+            situation, the user will be informed, either via the
+            return value from a synchronous call (see synchronous get (g), 
+	    synchronous set (s) and synchronous get-next (gn)) 
+            or via a call to the handle_error callback function.</p>
+          <p>Own Id: OTP-5578</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+        <item>
+          <p>[manager] Added a 
+            <seealso marker="snmpm#unregister_usm_user">unregister_usm_user</seealso> function.</p>
+          <p>Own Id: OTP-5580</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+        <item>
+          <p>[agent] Added new functions to get lists of all tables, 
+            <seealso marker="snmpa#which_tables">which_tables</seealso>, 
+            and variables, 
+            <seealso marker="snmpa#which_variables">which_variables</seealso>, 
+            known to the agent.</p>
+          <p>Own Id: OTP-5590</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Incorrect SHA-key length check when 
+            updating usm-user info (should have been 20 but 
+            was 16).</p>
+          <p>Own Id: OTP-5579</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+        <item>
+          <p>[compiler] Incorrect error report when the name of the 
+            field and object is the same. </p>
+	  <p>Kostis Sagonas</p>
+          <p>Own Id: OTP-5591 (dialyzer)</p>
+        </item>
+        <item>
+          <p>[manager] Arguments Port (third argument) and CtxName 
+            (fourth argument) where swapped in snmpm:g/5 
+            when forwarding call. </p>
+	  <p>Kostis Sagonas</p>
+          <p>Own Id: OTP-5592 (dialyzer)</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] The <c>snmpm_network_interface</c> behaviour has changed. 
+            One more argument (ExtraInfo) was added to the 
+            function send_pdu (see 
+            <seealso marker="snmpm_network_interface#send_pdu">send_pdu</seealso>).</p>
+          <p>Own Id: OTP-5574</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+      </list>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.1.5</title>
+    <p>Version 4.1.5 supports code replacement in run-time from/to
+      version 4.1.4, 4.1.3, 4.1.2, 4.1.1 and 4.1.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Add mapping of notification oid to alias-name. </p>
+	  <p>Martin Bj&ouml;rklund</p>
+          <p>Own Id: OTP-5562</p>
+        </item>
+        <item>
+          <p>[manager] Late (async) reply incorrectly delivered to
+            user via handle_pdu instead of handle_error.</p>
+          <p>Own Id: OTP-5506</p>
+          <p>Aux Id: Seq 9804</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Security level handled incorrectly.</p>
+          <p>Own Id: OTP-5564</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+        <item>
+          <p>[manager] (v3) Encryption/decryption failure.</p>
+          <p>Own Id: OTP-5560</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+        <item>
+          <p>[manager] Cannot handle version-1 traps.</p>
+          <p>Own Id: OTP-5557</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+        <item>
+          <p>[manager] Set-request without specifying the variable 
+            type failed. The type of the oid had to be found in the 
+            loaded MIB. This look-up was erroneous.</p>
+          <p>Own Id: OTP-5556</p>
+          <p>Aux Id: Seq 9850</p>
+        </item>
+        <item>
+          <p>[agent] Error's reported by the SecModule (v3) when 
+            generating outgoing message was not handled correctly 
+            in message processing dispatcher module.</p>
+          <p>Own Id: OTP-5550</p>
+        </item>
+        <item>
+          <p>[manager] Error's reported by the SecModule (v3) when 
+            generating outgoing message was not handled correctly 
+            in message processing dispatcher module. And also when 
+            encryption failed, the real error was masked into another 
+            error.</p>
+          <p>Own Id: OTP-5548</p>
+          <p>Aux Id: Seq 9804</p>
+        </item>
+        <item>
+          <p>[agent] Failure to stop the snmp application when
+            started with the old config type.</p>
+          <p>Own Id: OTP-5547</p>
+          <p>Aux Id: Seq 9842</p>
+        </item>
+        <item>
+          <p>[manager] User unregistration after reboot causes process crash
+            (snmpm_server).</p>
+          <p>Own Id: OTP-5539</p>
+        </item>
+        <item>
+          <p>[manager] Security engine id look-up errors.</p>
+          <p>Own Id: OTP-5508</p>
+          <p>Aux Id: Seq 9804</p>
+        </item>
+        <item>
+          <p>[manager] Registering of USM users erroneous.</p>
+          <p>Own Id: OTP-5505</p>
+          <p>Aux Id: Seq 9804</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.1.4</title>
+    <p>Version 4.1.4 supports code replacement in run-time from/to
+      version 4.1.3, 4.1.2, 4.1.1 and 4.1.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>Fixed a perl related problem in the mibs Makefile. </p>
+	  <p>Geoff White</p>
+          <p>Own Id: OTP-5491</p>
+        </item>
+        <item>
+          <p>[manager] Failed to register usm users. Both using the
+            usm config file 
+            (<seealso marker="snmp_manager_config_files#usm_user">usm.conf</seealso>) 
+            and the API functions
+            <seealso marker="snmpm#register_usm_user">register_usm_user</seealso></p>
+          <p>Own Id: OTP-5499</p>
+	  <p>Aux Id: Seq 9804</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.1.3</title>
+    <p>Version 4.1.3 supports code replacement in run-time from/to
+      version 4.1.2, 4.1.1 and 4.1.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Added utility functions to update agent and manager
+            config files.</p>
+          <p>Own Id: OTP-5468</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Error replies was composed with invalid OIDs for the
+            following error counters:
+            <em>usmStatsWrongDigests</em> (RFC 2574, chap 3.2, point 6),
+            <em>usmStatsUnsupportedSecLevels</em> (point 5) and
+            <em>usmStatsDecryptionErrors</em> (point 8a).</p>
+          <p>Own Id: OTP-5464</p>
+	  <p>Aux Id: Seq 9791</p>
+        </item>
+        <item>
+          <p>[agent] Malformed Oid returned from a get_next operation as
+            part of a get-bulk-request causes the agent to crash.</p>
+          <p>Own Id: OTP-5465</p>
+	  <p>Aux Id: Seq 9783, Seq 9793</p>
+        </item>
+        <item>
+          <p>[agent] Missing catch on decode function call.</p>
+	  <p>Kostis Sagonas (Dialyzer)</p>
+          <p>Own Id: OTP-5479</p>
+        </item>
+        <item>
+          <p>[manager] Invalid check for illegal options.</p>
+	  <p>Kostis Sagonas (Dialyzer</p>
+          <p>Own Id: OTP-5480</p>
+        </item>
+        <item>
+          <p>Faulty utility function for generation of agent 
+            config file target_addr.conf.</p>
+          <p>Own Id: OTP-5482</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit 4.1.2</title>
+    <p>Version 4.1.2 supports code replacement in run-time from/to 
+      version 4.1.1 and 4.1.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>Export utility functions to create agent and manager
+            config files.</p>
+          <p>Own Id: OTP-5390</p>
+        </item>
+        <item>
+          <p>[agent] Documented instrumentation utility functions
+            (e.g. <seealso marker="snmpa#current_request_id">current_request_id</seealso>).</p>
+          <p>Own Id: OTP-5423</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] If the client crashes after having issued 
+            an async request, the server will crash when trying to 
+            perform cleanup. Supervision of the calling process issuing an
+            async request has been removed. </p>
+          <p>Own Id: OTP-5370</p>
+        </item>
+        <item>
+          <p>Failure to convert an audit-trail-log to text-file when
+            using the default log name. This applies to both the manager 
+            and the agent. </p>
+          <p>Own Id: OTP-5394</p>
+        </item>
+        <item>
+          <p>[manager] Corrected the discovery handling of the manager.</p>
+          <p>Own Id: OTP-5414</p>
+        </item>
+        <item>
+          <p>[manager] Statistic counter creation correction.</p>
+          <p>Own Id: OTP-5415</p>
+        </item>
+        <item>
+          <p>[agent] When using the old style agent configuration (pre 4.0),
+            it was not possible to specify a different error report
+            module (the agent always choose snmpa_error_logger).
+            A similar problem existed for the config option 
+            force_config_load, which always reverted to false.</p>
+          <p>Own Id: OTP-5424</p>
+        </item>
+        <item>
+          <p>[manager] The manager net_if process failed to properly handle
+            the case bind_to option value true.</p>
+          <p>Own Id: OTP-5431</p>
+        </item>
+        <item>
+          <p>[agent] Various minor mnesia-related fixes.</p>
+	  <p>Martin Bj&ouml;rklund</p>
+          <p>Own Id: OTP-5433</p>
+        </item>
+        <item>
+          <p>[manager] Missing interface functions for loading and 
+            unloading mibs into/from the manager: 
+            <seealso marker="snmpm#load_mib">load_mib</seealso>,
+            <seealso marker="snmpm#unload_mib">unload_mib</seealso>,
+            <seealso marker="snmpm#which_mibs">which_mibs</seealso>,
+            <seealso marker="snmpm#name_to_oid">name_to_oid</seealso> and 
+            <seealso marker="snmpm#oid_to_name">oid_to_name</seealso>.</p>
+          <p>Own Id: OTP-5441</p>
+        </item>
+        <item>
+          <p>Added utility functions to retrieve some system and application 
+            info, see <seealso marker="snmp#versions1">versions1</seealso> and 
+            <seealso marker="snmp#versions2">versions2</seealso>.</p>
+          <p>Own Id: OTP-5445</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit v4.1.1</title>
+    <p>Version 4.1.1 supports code replacement in run-time from/to 
+      version 4.1. </p>
+    <p>When performing a downgrade, make sure the verbosity of the
+      manager server process is silence, or else the process will crash
+      (due to a bug in version 4.0.4) and be restarted by it's 
+      supervisor.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Manager synchronous get-function with timeout erroneous.
+            Results in a function clause.</p>
+          <p>Own Id: OTP-5364</p>
+        </item>
+        <item>
+          <p>Replace in decoder fun's of the "old style" fun format, 
+            {atom(), atom()}, with a proper fun, e.g. "fun the_function/1".</p>
+          <p>Own Id: OTP-5365</p>
+        </item>
+        <item>
+          <p>[manager] Register agent using the config file 
+            agents.conf failed due to incorrect function guard.</p>
+          <p>Own Id: OTP-5367</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit v4.1.0</title>
+    <p>Version 4.1.0 supports code replacement in run-time from/to 
+      version 4.0.4. </p>
+    <p>When performing a downgrade, make sure the verbosity of the
+      manager server process is silence, or else the process will crash
+      (due to a bug in version 4.0.4) and be restarted by it's 
+      supervisor.</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Added possibility to monitor a registered user.
+            See <seealso marker="snmpm#register_user_monitor">snmpm:register_user_monitor</seealso>.</p>
+          <p>Own Id: OTP-5286</p>
+        </item>
+        <item>
+          <p>[agent] Improved symbolic store. Alias and Oids where stored 
+            with similar key's (separated by types: atom() and
+            lists() respectively). Also added new function:
+            <seealso marker="snmpa#which_aliasnames">snmpa:which_aliasnames</seealso>.</p>
+          <p>Own Id: OTP-5298</p>
+        </item>
+        <item>
+          <p>[agent] The agent local_db volatile storage method uses
+            an ets-table which is private. This table has been made 
+            protected in order to make it easier to debug and test the 
+            snmp agent.</p>
+          <p>Own Id: OTP-5308</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>Misspelled deprecated function. Non-existent function
+            snmp:is_constistent/1 was marked as deprecated. Should
+            have been snmp:is_consistent/1).</p>
+          <p>Own Id: OTP-5273</p>
+        </item>
+        <item>
+          <p>[agent] Unclear documentation for function 
+            <seealso marker="snmpa#send_notification">snmpa:send_notification</seealso>. The Recv argument
+            (specifically the {M,F,A} variant).</p>
+          <p>Own Id: OTP-5281</p>
+        </item>
+        <item>
+          <p>[manager] It was never documented how the default 
+            <seealso marker="snmpm_user">user behaviour</seealso> 
+            could be overridden (default user is the module
+            <c>snmpm_user_default</c>). 
+            See <seealso marker="snmp_app">application configuration</seealso> or
+            <seealso marker="snmp_config#configuration_params">configuration params</seealso>.</p>
+          <p>Own Id: OTP-5299</p>
+        </item>
+        <item>
+          <p>[manager] The server process contained a bug that caused it 
+            to crash, if it received an exit message from it's gct (GC timer) 
+            process and it's verbosity was <em>log</em> or higher. </p>
+	  <p>This also effects the application downgrade. </p>
+          <p>Own Id: OTP-5306</p>
+        </item>
+        <item>
+          <p>[agent] The agent config file, target_addr.conf, was 
+            incorrectly described in the 
+            <seealso marker="snmp_agent_config_files#target_addr">Target Address Definitions</seealso> chapter of the 
+            User's Guide. The EngineId option was left out.</p>
+          <p>Own Id: OTP-5307</p>
+	  <p>Aux Id: Seq 9689</p>
+        </item>
+        <item>
+          <p>[manager] When a InformRequest is received, the manager sends
+            a response message. This did not include the varbinds
+            of the original message. See RFC 3416, chapter 4.2.7.</p>
+          <p>Own Id: OTP-5314</p>
+        </item>
+        <item>
+          <p>[manager] Erroneous function guards made it possible to update
+            some agent info (that should be "static").</p>
+          <p>Own Id: OTP-5315</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit v4.0.4</title>
+    <p>Version 4.0.4 supports code replacement in run-time from/to 
+      version 4.0.3, 4.0.2, 4.0.1 and 4.0.
+      </p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager]  The timeout calculation for the request
+            gc timer incorrect.</p>
+          <p>Own Id: OTP-5267</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit v4.0.3</title>
+    <p>Version 4.0.3 supports code replacement in run-time from/to 
+      version 4.0.2, 4.0.1 and 4.0. </p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Some basic SNMP types where not handled when
+            performing set-requests snmpm:s and snmpm:as): 
+            'BITS' (b), 'IpAddress' (ip), 'Opaque' (op), 
+            'Counter32' (c32), 'Counter64' (c64) and 'TimeTicks' (tt).</p>
+          <p>Own Id: OTP-5256</p>
+        </item>
+        <item>
+          <p>[manager] Unnecessary error message when receiving trap from 
+            unregistered agent or agent using other port then the 
+            request port for trap-sending.</p>
+          <p>Own Id: OTP-5258</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit v4.0.2</title>
+    <p>Version 4.0.2 supports code replacement in run-time from/to 
+      version 4.0.1 and 4.0.
+      </p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] When the net_if process failed to send a message, for
+            whatever reason, this is just dropped. And the user is
+            "left hanging". Now, if the request is synchronous,
+            it will return with a proper reason (snmpm:g, snmpm:gn and
+            snmpm:s), and if the request
+            was asynchronous, the new callback function, 
+            handle_error 
+            (see <seealso marker="snmpm_user">snmpm_user</seealso>) is 
+            called. </p>
+          <p>Own Id: OTP-5242</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] The arguments CtxName and Port was swapped in the
+            function snmpm:g/6.</p>
+          <p>Own Id: OTP-5225</p>
+        </item>
+        <item>
+          <p>[manager] TRAP receive fails for unknown agent due to
+            failing message size calculation.</p>
+          <p>Own Id: OTP-5241</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Introduced a new callback function in the behaviour
+            <seealso marker="snmpm_user">snmpm_user</seealso>.</p>
+          <p>Own Id: OTP-5242</p>
+        </item>
+      </list>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit v4.0.1</title>
+    <p>Version 4.0.1 supports code replacement in run-time from/to version 4.0.
+      </p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Added functions to get a list of all mibs loaded into
+            an agent 
+            (see <seealso marker="snmpa#which_mibs">snmpa:which_mibs</seealso>)
+            and to get the (full path) file name of a loaded mib (see 
+            <seealso marker="snmpa#whereis_mib">snmpa:whereis_mib</seealso>).</p>
+          <p>Own Id: OTP-5187</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] The wrong default value (1024) was used for the 
+            net-if option recbuf. If no value is specified, then the OS
+            default shall be used.</p>
+          <p>Own Id: OTP-5196</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+    </section>
+  </section>
+
+  <section>
+    <title>SNMP Development Toolkit v4.0</title>
+
+    <section>
+      <title>Improvements and new features</title>
+      <list type="bulleted">
+        <item>
+          <p>[manager] Added a proper snmp manager.</p>
+          <p>Major restructure of the application in order to 
+            incorporate the new manager.</p>
+        </item>
+        <item>
+          <p>[agent] Add a <c>snmpa:get/3</c> with an extra <c>Context</c>
+            argument. Also added similar <c>snmpa:get_next/2,3</c> functions. 
+            See <seealso marker="snmpa#get">snmpa:get</seealso> and
+            <seealso marker="snmpa#get_next">snmpa:get_next</seealso>. </p>
+	  <p>Martin Bj&ouml;rklund</p>
+          <p>Own Id: OTP-5054</p>
+        </item>
+        <item>
+          <p>[agent] Add <em>notification filters</em>. See 
+            <seealso marker="snmpa_notification_filter">snmpa_notification_filter</seealso>,  
+            <seealso marker="snmpa#register_notification_filter">register_notification_filter</seealso>,
+            <seealso marker="snmpa#unregister_notification_filter">unregister_notification_filter</seealso> and 
+            <seealso marker="snmpa#which_notification_filter">which_notification_filter</seealso>.</p>
+          <p>Own Id: OTP-5055</p>
+        </item>
+        <item>
+          <p>[agent] Added two mib look-up functions, 
+            <seealso marker="snmpa#me_of">me_of</seealso> and
+            <seealso marker="snmpa#mib_of">mib_of</seealso>.</p>
+          <p>Own Id: OTP-5082</p>
+	  <p>Aux Id: Seq 8848</p>
+        </item>
+        <item>
+          <p>[compiler] The MIB compiler is now (source code) independent 
+            of the rest of the application (and vice versa).</p>
+        </item>
+        <item>
+          <p>[compiler] DISPLAY-HINT and UNITS included in the 
+            compiled mib.</p>
+          <p>Own Id: OTP-5053</p>
+        </item>
+        <item>
+          <p>[compiler] Added compiler options <c>imports</c> and
+            <c>module_identity</c> to include the imports list and 
+            module identity (only SMIv2) info in the compiled mib, 
+            see <seealso marker="snmpc">snmpc</seealso>.</p>
+        </item>
+        <item>
+          <p>[compiler] Added the MIB compiler option 
+            <c>+no_defs</c>, see <seealso marker="snmpc">snmpc</seealso>.</p>
+	  <p>Martin Bj&ouml;rklund</p>
+        </item>
+        <item>
+          <p>[compiler] Added the MIB compiler option 
+            <c>+'{module, atom()}'</c>, 
+            see <seealso marker="snmpc">snmpc</seealso>. </p>
+	  <p>Martin Bj&ouml;rklund</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Reported Fixed Bugs and Malfunctions</title>
+      <list type="bulleted">
+        <item>
+          <p>[agent] Failing MIB configure/reconfigure was difficult
+            to diagnose. Added better error handling and verbosity.</p>
+        </item>
+        <item>
+          <p>[compiler] Added "default value" for INTEGER with enumeration
+            without a DEFVAL clause.
+            The lowest valid integer value is chosen for the
+            variable_info defval.</p>
+          <p>Own Id: OTP-5124</p>
+	  <p>Aux Id: Seq 8738</p>
+        </item>
+        <item>
+          <p>[compiler] Unnecessarily reserved words in the mib compiler
+            can cause some enumeration definitions to fail.</p>
+	  <p>Martin Bj&ouml;rklund</p>
+          <p>Own Id: OTP-5066</p>
+        </item>
+      </list>
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <list type="bulleted">
+        <item>
+          <p>New sys configuration format. 
+            Although the old configuration format still
+            works (if only the agent is used), it is no
+            longer documented and will eventually be 
+            eliminated.
+            See <seealso marker="snmp_app">application configuration</seealso> or
+            <seealso marker="snmp_config#configuration_params">configuration params</seealso> for more info.</p>
+        </item>
+        <item>
+          <p>Three new interface modules have been introduced. One
+            for each of the individual parts of the application:</p>
+          <list type="bulleted">
+            <item>
+              <p>[agent] <c>snmpa</c></p>
+            </item>
+            <item>
+              <p>[manager] <c>snmpm</c></p>
+            </item>
+            <item>
+              <p>[compiler] <c>snmpc</c></p>
+            </item>
+          </list>
+          <p>The primary interface module, <c>snmp</c>, still exist.
+            It contains the application generic functions. The 
+            agent specific stuff still exist (for backward
+            compatibility reasons), but has been deprecated and will
+            eventually be removed.</p>
+          <p>Some previously already deprecated functions has been 
+            removed (since they in turn was dependent on deprecated 
+            functions, see calendar).</p>
+        </item>
+        <item>
+          <p>[agent] The agent network interface API has changed.
+            See <seealso marker="snmp_agent_netif">snmp agent net if</seealso>,</p>
+        </item>
+        <item>
+          <p>[agent] The default agent audit trail log name has changed.</p>
+        </item>
+        <item>
+          <p>[compiler] Mib format has changed (see OTP-5053 above).</p>
+        </item>
+      </list>
+    </section>
+  </section>
+</chapter>
+