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author | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
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committer | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
commit | 84adefa331c4159d432d22840663c38f155cd4c1 (patch) | |
tree | bff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/snmp/doc/src/snmp_manager_config_files.xml | |
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The R13B03 release.OTP_R13B03
Diffstat (limited to 'lib/snmp/doc/src/snmp_manager_config_files.xml')
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diff --git a/lib/snmp/doc/src/snmp_manager_config_files.xml b/lib/snmp/doc/src/snmp_manager_config_files.xml new file mode 100644 index 0000000000..c2ef3cd2c7 --- /dev/null +++ b/lib/snmp/doc/src/snmp_manager_config_files.xml @@ -0,0 +1,249 @@ +<?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>Definition of Manager Configuration Files</title> + <prepared></prepared> + <responsible></responsible> + <docno></docno> + <approved></approved> + <checked></checked> + <date></date> + <rev></rev> + <file>snmp_manager_config_files.xml</file> + </header> + <p>Configuration data may be included in configuration files + that is located in the configuration directory. The name of this + directory is given in the <c>config_dir</c> configuration + parameter. These files are read at start-up. + </p> + <p>The directory where the configuration files are found is given as + a parameter to the manager. + </p> + <p>The entry format in all files are Erlang terms, separated by a + '<em>.</em>' and a <em>newline</em>. In the following sections, the + formats of these terms are described. Comments may be specified as + ordinary Erlang comments. + </p> + <p>If syntax errors are discovered in these files they are reported with the + function <c>config_err/2</c> of the + <seealso marker="snmpa_error_report">error report module</seealso> + at start-up. + </p> + + <section> + <marker id="manager"></marker> + <marker id="manager_information"></marker> + <title>Manager Information</title> + <p>The manager information should be stored in a file called + <c>manager.conf</c>. + </p> + <p>Each entry is a tuple of size two: + </p> + <p><c>{Variable, Value}.</c></p> + <list type="bulleted"> + <item> + <p><c>Variable</c> is one of the following:</p> + <list type="bulleted"> + <item> + <p><c>address</c> - which defines the IP address of the + manager. Default is local host.</p> + </item> + <item> + <p><c>port</c> - which defines which UDP port the manager uses + for communicating with agents. <em>Mandatory</em>.</p> + </item> + <item> + <p><c>engine_id</c> - The <c>SnmpEngineID</c> as defined in + SNMP-FRAMEWORK-MIB. <em>Mandatory</em>.</p> + </item> + <item> + <p><c>max_message_size</c> - The <c>snmpEngineMaxMessageSize</c> as + defined in SNMP-FRAMEWORK-MIB. <em>Mandatory</em>.</p> + </item> + </list> + </item> + <item> + <p><c>Value</c> is the value for the variable. + </p> + </item> + </list> + <p>The following example shows a <c>manager.conf</c> file: + </p> + <pre> +{address, [141,213,11,24]}. +{port, 5000}. +{engine_id, "mgrEngine"}. +{max_message_size, 484}. + </pre> + <p>The value of <c>engine_id</c> is a string, which should have a + very specific structure. See RFC 2271/2571 for details. + </p> + </section> + + <section> + <marker id="users"></marker> + <title>Users</title> + <p>For each <em>manager user</em>, the manager needs some information. + This information is either added in the <c>users.conf</c> config + file or by calling the + <seealso marker="snmpm#register_user">register_user</seealso> + function in run-time. + </p> + <p>Each row defines a <em>manager user</em> of the manager. + </p> + <p>Each entry is a tuple of size four: + </p> + <!-- <p><c>{UserId, UserMod, UserData}.</c></p> --> + <p><c>{UserId, UserMod, UserData, DefaultAgentConfig}.</c></p> + <list type="bulleted"> + <item> + <p><c>UserId</c> is any term (used to uniquely identify the user).</p> + </item> + <item> + <p><c>UserMod</c> is the user callback module (atom).</p> + </item> + <item> + <p><c>UserData</c> is any term (passed on to the user when calling the + <c>UserMod</c>. + </p> + </item> + <item> + <p><c>DefaultAgentConfig</c> is a list of default agent config's. + These values are used as default values when this user registers + agents. + </p> + </item> + </list> + </section> + + <section> + <marker id="agents"></marker> + <title>Agents</title> + <p>The information needed to handle agents should be stored in a + file called <c>agents.conf</c>. It is also possible to add agents + in run-time by calling the + <seealso marker="snmpm#register_agent">register_agent</seealso>. + </p> + <p>Each entry is a tuple: + </p> + <p><c>{UserId, TargetName, Comm, Ip, Port, EngineID, Timeout, MaxMessageSize, Version, SecModel, SecName, SecLevel}.</c></p> + <list type="bulleted"> + <item> + <p><c>UserId</c> is the identity of the <em>manager user</em> + responsible for this agent (term). + </p> + </item> + <item> + <p><c>TargetName</c> is a <em>unique</em> <em>non-empty</em> string.</p> + </item> + <item> + <p><c>Comm</c> is the community string (string).</p> + </item> + <item> + <p><c>Ip</c> is the ip address of the agent (a list of four integers).</p> + </item> + <item> + <p><c>Port</c> is the port number of the agent (integer).</p> + </item> + <item> + <p><c>EngineID</c> is the engine-id of the agent (string).</p> + </item> + <item> + <p><c>Timeout</c> is re-transmission timeout + (<c>infinity</c> | integer).</p> + </item> + <item> + <p><c>MaxMessageSize</c> is the max message size for outgoing messages + to this agent (integer).</p> + </item> + <item> + <p><c>Version</c> is the version (v1 | v2 | v3).</p> + </item> + <item> + <p><c>SecModel</c> is the security model (any | v1 | v2c | usm).</p> + </item> + <item> + <p><c>SecName</c> is the security name (string).</p> + </item> + <item> + <p><c>SecLevel</c> is security level (noAuthNoPriv | authNoPriv | + authPriv).</p> + </item> + </list> + </section> + + <section> + <marker id="usm"></marker> + <marker id="usm_user"></marker> + <title>Security data for USM</title> + <p>The information about Security data for USM should be stored in a + file called <c>usm.conf</c>, which must be present if the manager + wishes to use SNMPv3 when communicating with agents. It is also + possible to add usm data in run-time by calling the + <seealso marker="snmpm#register_usm_user">register_usm_user</seealso>. + </p> + <p>The corresponding table is <c>usmUserTable</c> in the + SNMP-USER-BASED-SM-MIB. + </p> + <p>Each entry is a term: + </p> + <p><c>{EngineID, UserName, AuthP, AuthKey, PrivP, PrivKey}.</c> <br></br> +<c>{EngineID, UserName, SecName, AuthP, AuthKey, PrivP, PrivKey}.</c></p> + <p>The first case is when we have the identity-function + (<c>SecName</c> = <c>UserName</c>). + </p> + <list type="bulleted"> + <item> + <p><c>EngineID</c> is a string.</p> + </item> + <item> + <p><c>UserName</c> is a string.</p> + </item> + <item> + <p><c>SecName</c> is a string.</p> + </item> + <item> + <p><c>AuthP</c> is a <c>usmNoAuthProtocol</c>, + <c>usmHMACMD5AuthProtocol</c> or <c>usmHMACSHAAuthProtocol</c>.</p> + </item> + <item> + <p><c>AuthKey</c> is a list (of integer). This is the User's + secret localized authentication key. It is not visible in the MIB. + The length of this key needs to be 16 if + <c>usmHMACMD5AuthProtocol</c> is used and 20 if + <c>usmHMACSHAAuthProtocol</c> is used.</p> + </item> + <item> + <p><c>PrivP</c> is a <c>usmNoPrivProtocol</c>, + <c>usmDESPrivProtocol</c> or <c>usmAesCfb128Protocol</c>.</p> + </item> + <item> + <p><c>PrivKey</c> is a list (of integer). This is the User's secret + localized encryption key. It is not visible in the MIB. The length + of this key needs to be 16 if <c>usmDESPrivProtocol</c> + or <c>usmAesCfb128Protocol</c> is used.</p> + </item> + </list> + </section> +</chapter> + |