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[AuckLUG] Funky ways of getting where you want with SSH

Liz Quilty liz at zeald.com
Mon Jul 10 12:10:03 NZST 2006


Surely if work has blocked it then you shouldnt be using it.

Liz

On Monday 10 July 2006 11:41, Michal Ludvig wrote:
> Chilling_Silence wrote:
> > Recently work has blocked anything not on a standard http / ftp (Prolly
> > https and one or two other things) from getting out through the proxy.
> >
> > I know that Webmin has a java-based client that allows you to connect to
> > the local box its running on remotely, however this seems to be broken,
> > although the non-interactive prompt that allows you to simply submit
> > bash commands seems to work (But this is useless if I wanna use
> > something like nano).
>
> Do they really block all other traffic or are they those
> Use-Mouse-Only-Admins who don't understand much what they do and only
> used their firewall webinterface to block some TCP ports?
>
> Can you get UDP through? If yes just use some of the VPN tunnels that
> work over UDP (e.g. OpenVPN does)
>
> If UDP is not an option - can you get ICMP packets through? Try this
> TCP-over-ICMP tunnel: http://www.cs.uit.no/~daniels/PingTunnel/
>
> There are other tunneling solutions for VPN-over-<something-weird>.
> E.g. VPN-over-HTTP/S that could pass HTTP proxies:
> http://www.runslinux.net/projects/htun/description.html
>
> Or VPN-over-DNS that could pass through your provider/company DNS
> servers: http://www.lucas-nussbaum.net/blog/?p=168
>
> Disclaimer: I haven't personally tried any of the above, but am
> definitely interested in your success stories ;-)
>
> HTH,
>
> Michal
> * http://www.logix.cz/michal
>
>
>
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