Re: ssh tunnel through firewall
From: Jeff (nospam@group.com)
Date: 04/07/03
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From: "Jeff" <nospam@group.com> Date: Mon, 07 Apr 2003 07:30:32 GMT
you can complie or disable ssh tunneling on your ssh server.
company uses av filter/content filter and so on...and client use ssh
tunneling to get around it or even manage their home PC to do other work..
setup egress filtering if possible.
"Oscar Knight" <knightod@appstate.edu> wrote in message
news:3E8C924A.29AD9E71@appstate.edu...
> Hello ALL,
>
> Our policy does not directly (well, it does in so many words) deal with
> ssh tunnels through our firewall, from the inside to the outside. Users
> on the inside have almost unlimited access outbound, and no inbound
> access.
>
> Ssh tunnels can be used to over come the "no inbound" access for users
> on the inside. In the strictest sense this is a policy violation.
>
> I'm interested in hearing comments/experiences/suggestions/soap box...
> on the following:
>
> 1) What about vendor supported servers that obviously should be on the
> inside and yet vendor needs access to support. An ssh tunnel or vpn
> could solve this issue. Do you have a special "security"
> agreement/contract with the vendor? Comments?
>
> 2) What about ssh X-forwarding. Does anyone limit this and/or view it
> as a hazard? Comments?
>
> 3) How risky is ssh port-forwarding from the inside? I'm interested in
> risk wrt compromise of machine on the outside. What about multi-user
> box on outside? I think any user on that box has access to your box via
> the forwarded port. Comments?
>
> Thanks in advance!
> Oscar
- Previous message: Michael Hart: "PuTTY psftp subsystem on non standard port"
- In reply to: Oscar Knight: "ssh tunnel through firewall"
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