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I have a SSH SOCKS connection running for VPN purposes, and this works beautifully. By using either FoxyProxy for Firefox, or a .pac
file for OS X's Automatic Proxy Configuration option, web traffic is easily redirected to run over the tunnel.
However, I have issues with a proprietary app that needs to connect with a TCP server on the VPN-ed network but that itself does not support a SOCKS proxy configuration. It'll honour the OS X network proxy configuration, but only if I set the SOCKS Proxy option to route all traffic over the SOCKS tunnel.
Want I am looking for is to route specific IP addresses over the SSH tunnel only, so given a netmask I want all traffic for those IP addresses to be tunneled over the SOCKS SSH connection, and everything else to connect directly.
Note that the SSH tunnel is the only VPN-like connection I can make, and I do not have rights to install or run additional software on the SSH server end-point, so I cannot establish an OpenSSH VPN or other alternative (real) VPN setup.
The SSH tunnel itself is initiated on a Linux Debian server in my home network, but it's the traffic from Mac OS X (10.6) that needs to be routed. A solution that routes all traffic from the Mac to the Linux server to then be selectively routed to either my gateway or the SSH SOCKS tunnel is not ideal but if that's the only solution is something I could live with.
This looks exactly like what I need! Thanks, wouldn't have found that otherwise. – Martijn Pieters – 2011-04-25T18:08:47.230
Wow, sshuttle looks really useful. – mpoisot – 2012-04-23T14:09:30.573