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authorErlang/OTP <[email protected]>2017-05-04 17:05:25 +0200
committerErlang/OTP <[email protected]>2017-05-04 17:05:25 +0200
commitdc57404252c47520f352834ad9be45ad684f96c9 (patch)
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parent4261ee2caae48ad7e215144c5abbfd34fffb35e5 (diff)
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<file>notes.xml</file>
</header>
+<section><title>Ssh 4.5</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ The internal handling of SSH options is re-written.</p>
+ <p>
+ Previously there were no checks if a client option was
+ given to a daemon or vice versa. This is corrected now.
+ If your code has e.g. a client-only option in a call to
+ start a daemon, the call will fail.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-12872</p>
+ </item>
+ <item>
+ <p>
+ Modernization of diffie-hellman algorithms. Removed an
+ outdated weak algorithm and added stronger replacements
+ to keep interoperability with other ssh clients and
+ servers. The default ordering is also adjusted.</p>
+ <p>
+ Retired: key-exchange <c>diffie-hellman-group1-sha1</c>.
+ It is not enabled by default, but can be enabled with the
+ option <c>preferred-algorithms</c>.</p>
+ <p>
+ Added: key-exchange <c>diffie-hellman-group16-sha512</c>,
+ <c>diffie-hellman-group18-sha512</c> and
+ <c>diffie-hellman-group14-sha256</c>.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-14110</p>
+ </item>
+ <item>
+ <p>
+ Modernized internal representation of sftp by use of
+ maps.</p>
+ <p>
+ Own Id: OTP-14117</p>
+ </item>
+ <item>
+ <p>
+ The draft-ietf-curdle-ssh-ext-info-05 and
+ draft-ietf-curdle-rsa-sha2-05 are (partially)
+ implemented. </p>
+ <p>
+ The extension <c>server-sig-algs</c> and the signature
+ algorithms <c>rsa-sha2-256</c> and <c>rsa-sha2-512</c>
+ are implemented. The <c>rsa-sha2-*</c> are not enabled by
+ default yet since they has a bug. Use option
+ preferred_algorithms with key public key to try them.</p>
+ <p>
+ Own Id: OTP-14193</p>
+ </item>
+ <item>
+ <p>
+ Ssh:connect, ssh:shell and ssh:start_channel now accept
+ an IP-tuple as Host destination argument.</p>
+ <p>
+ Own Id: OTP-14243</p>
+ </item>
+ <item>
+ <p>
+ The function <c>ssh:daemon_info/1</c> now returns Host
+ and Profile as well as the Port info.</p>
+ <p>
+ Own Id: OTP-14259</p>
+ </item>
+ <item>
+ <p>
+ Removed the option <c>public_key_alg</c> which was
+ deprecated in 18.2. Use <c>pref_public_key_algs</c>
+ instead.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-14263</p>
+ </item>
+ <item>
+ <p>
+ The ssh application is refactored regarding daemon
+ starting. The resolution of contradicting <c>Host</c>
+ argument and <c>ip</c> option were not described. There
+ were also strange corner cases when the <c>'any'</c>
+ value was used in <c>Host</c> argument or <c>ip</c>
+ option. This is (hopefully) resolved now, but it may
+ cause incompatibilities for code using both <c>Host</c>
+ and the <c>ip</c> option. The value 'loopback' has been
+ added for a correct way of naming those addresses.</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-14264</p>
+ </item>
+ <item>
+ <p>
+ The supervisor code is refactored. The naming of
+ listening IP-Port-Profile tripples are slightly changed
+ to improve consistency in strange corner cases as
+ resolved by OTP-14264</p>
+ <p>
+ Own Id: OTP-14267 Aux Id: OTP-14266 </p>
+ </item>
+ <item>
+ <p>
+ The <c>idle_time</c> option can now be used in daemons.</p>
+ <p>
+ Own Id: OTP-14312</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Ssh 4.4.2</title>
<section><title>Fixed Bugs and Malfunctions</title>