[CentOS] Bypassing firewall alternatives

Wei Yu zig.wei at gmail.com
Fri Sep 14 02:40:15 UTC 2007


Oops, I missed the -N option. Thanks!

On 9/14/07, John R Pierce <pierce at hogranch.com> wrote:
>
> Wei Yu wrote:
> > I am experiencing a problem of bypassing firewalls.
> > I know that "ssh -R" can forward ports from remote server to local
> > ports. But it requires an account of the remote server, which seems to
> > be a security hole.
> > I am looking for other programs which can do so, any suggestions?
>
>
> I don't know any way you could forward a port from a remote host to
> anywhere without authenticating on said remote host.
>
> I'm not quite sure why you consider the existance of an account to be a
> security hole ?  you could configure an account that won't allow an
> interactive login (shell set to /bin/false), and JUST do port
> forwarding, using -N on the ssh command.
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Zig
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