# SSH configuration file.
+#
+# Some options are set even if they are default to prevent /etc/ssh/ssh_config
+# from overwriting them.
-# Copyright (C) 2011-2012 Simon Ruderich
+# Copyright (C) 2011-2013 Simon Ruderich
#
# This file is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# You should have received a copy of the GNU General Public License
# along with this file. If not, see <http://www.gnu.org/licenses/>.
+# Undocumented (and not very well tested) feature. This drops the connection
+# after 5 seconds of inactivity. Thanks to shad0VV in #openssh on Freenode
+# (2012-11-04 18:40 CET) for telling me about this undocumented feature.
+#
+# ServerAliveCountMax 0
+# ServerAliveInterval 5
+
# Rules for all hosts.
Host *
# to local X11!
ForwardX11Trusted no
+# Abort if not all requested port forwardings can be set up.
+ ExitOnForwardFailure yes
+
# Allow using -M (ControlMaster) to create a master SSH session which
# "tunnels" other connections to the same host, thus reducing the number of
-# authentications (which are relatively slow) and TCP connections.
+# authentications (which are relatively slow) and TCP connections. The master
+# sockets are stored in ~/.ssh (by default ControlPath is not set).
ControlPath ~/.ssh/master-%l-%h-%p-%r
-# Abort if not all requested port forwardings can be set up.
- ExitOnForwardFailure yes
+# Hash hosts in ~/.ssh/known_hosts to try to conceal the known hosts. Doesn't
+# help if the ssh hosts are stored in the shell's history file or in this file
+# as shortcut.
+ HashKnownHosts yes
+
+# Don't permit running local commands.
+ PermitLocalCommand no
# Don't send any environment variables.
SendEnv