OpenSSH

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Just set <tt>ControlPath</tt> to something like <tt>~/.tmp/ssh/%r-%l-%h-%p</tt> (make sure the directory exists!), and <tt>ControlMaster</tt> to <tt>auto</tt> or <tt>autoask</tt>. Display and agent forwardings will be available to all multiplexed connections, but (at least as of 5.2) it is impossible to forward multiple displays or agents.

Just set <tt>ControlPath</tt> to something like <tt>~/.tmp/ssh/%r-%l-%h-%p</tt> (make sure the directory exists!), and <tt>ControlMaster</tt> to <tt>auto</tt> or <tt>autoask</tt>. Display and agent forwardings will be available to all multiplexed connections, but (at least as of 5.2) it is impossible to forward multiple displays or agents. The [http://gcc.gnu.org/wiki/SSH_connection_caching GCC Wiki] recommend creating a master ssh connection, ala persistent port forwardings, via an early <tt>ssh -fMN</tt>. Note that the master connection will not, by default, exit until any connections multiplexed atop it have disconnected.

If the master connection goes bad for some reason, all multiplexed connections tend to suffer similarly (as one would expect).

==External Links==

* [http://www.openssh.com/ OpenSSH] home page

* [http://www.monkey.org/~provos/scanssh/ ScanSSH] home page

* David Hilley's "[https://docs.google.com/View?id=dg9vm9bf_22hptwkgfq&pli=1 SSH Tips and Tricks]", GT-LUG 2007-02-28

[[CATEGORY: Networking]]

OpenSSH: Difference between revisions

Dank (talk | contribs)

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 [recombinator](0) $ </pre>
-Just set <tt>ControlPath</tt> to something like <tt>~/.tmp/ssh/%r-%l-%h-%p</tt> (make sure the directory exists!), and <tt>ControlMaster</tt> to <tt>auto</tt> or <tt>autoask</tt>. Display and agent forwardings will be available to all multiplexed connections, but (at least as of 5.2) it is impossible to forward multiple displays or agents.
+Just set <tt>ControlPath</tt> to something like <tt>~/.tmp/ssh/%r-%l-%h-%p</tt> (make sure the directory exists!), and <tt>ControlMaster</tt> to <tt>auto</tt> or <tt>autoask</tt>. Display and agent forwardings will be available to all multiplexed connections, but (at least as of 5.2) it is impossible to forward multiple displays or agents. The [http://gcc.gnu.org/wiki/SSH_connection_caching GCC Wiki] recommend creating a master ssh connection, ala persistent port forwardings, via an early <tt>ssh -fMN</tt>. Note that the master connection will not, by default, exit until any connections multiplexed atop it have disconnected.
+If the master connection goes bad for some reason, all multiplexed connections tend to suffer similarly (as one would expect).
 ==External Links==
 * [http://www.openssh.com/ OpenSSH] home page
 * [http://www.monkey.org/~provos/scanssh/ ScanSSH] home page
+* David Hilley's "[https://docs.google.com/View?id=dg9vm9bf_22hptwkgfq&pli=1 SSH Tips and Tricks]", GT-LUG 2007-02-28
+[[CATEGORY: Networking]]