gistfile1.txt

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#### Configuration Examples
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####  Automatic port knocking example.
Host myserver
         User sysop
     Host myserver.com
         ProxyCommand bash -c '/usr/bin/knock %h 1000 2000 3000 4000; sleep 1; exec /bin/nc %h %p'

# This will allow us to use port 8080 on the local machine
# in order to access example.com at port 80 from the remote machine
Host local_to_remote
     LocalForward 8080 example.com:80

# This will allow us to offer access to internal.com at port 443
# to the remote machine through port 7777 on the other side
Host remote_to_local
     RemoteForward 7777 internal.com:443