Date: 02 Jun 2003 17:00:18 -0400 From: Lowell Gilbert <freebsd-questions-local@be-well.no-ip.com> To: Daniela <dgw@liwest.at> Cc: questions@freebsd.org Subject: Re: Complicated routing/SSH-FTP tunneling problem Message-ID: <44wug419gd.fsf@be-well.ilk.org> In-Reply-To: <200306020634.04321.dgw@liwest.at> References: <200305310030.58636.dgw@liwest.at> <44of1h5pbx.fsf@be-well.ilk.org> <200306020634.04321.dgw@liwest.at>
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Daniela <dgw@liwest.at> writes: > On Sunday 01 June 2003 23:51, Lowell Gilbert wrote: > > Daniela <dgw@liwest.at> writes: > > > I have the following problem: > > > > > > I'm running a FreeBSD SSH server. > > > Some clients can't connect to it. They are on a local network, connected > > > to the internet through another server. This second server used to allow > > > SSH login, and users could then connect to my server from the second > > > server. > > > > > > On the second server, SSH login isn't allowed any more. It won't route > > > any requests to the outside, except for mail. The FTP port is open, > > > however. I heard it is possible to create a tunnel over FTP, so the > > > clients could still get to my server. > > > > > > How could we do this (if it is possible)? Are there other ways? > > > > You need some kind of cooperation from the other server. > > It sounds like you're trying to get around security precautions of the > > other server, but if that's not the case, you ought to work this out > > with the administrator of the other server. > > This is not possible, the admin won't let them out. > This is because of high loads on the network. He doesn't care if only a few > people connect out. > > > You can't create an IP tunnel over an FTP server; at least, not using > > any FTP server software I know well... > > The clients run Linux. Isn't it possible to get around this by routing their > reqests? They would only need to set the default gateway. I may be misunderstanding you here, but I think that you're trying to make an ssh connection into a system that isn't running sshd at all. That won't work, obviously. You *can* run sshd on the ftp port if you want, but you still have to run it.
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