Date: Tue, 10 Nov 2009 11:18:56 +0000 From: krad <kraduk@googlemail.com> To: Kevin Kinsey <kdk@daleco.biz> Cc: Svante Kvarnstrom <sjk@ankeborg.nu>, freebsd-questions@freebsd.org Subject: Re: Remote ssh tunnel in background or script? Message-ID: <d36406630911100318n65f775nb64eeeb075f680a6@mail.gmail.com> In-Reply-To: <4AF87F39.7070403@daleco.biz> References: <4AF85FC9.10103@daleco.biz> <F2652639-EACC-44FB-858D-D4153FA8D055@ankeborg.nu> <4AF87F39.7070403@daleco.biz>
next in thread | previous in thread | raw e-mail | index | archive | help
2009/11/9 Kevin Kinsey <kdk@daleco.biz> > Svante Kvarnstrom wrote: > >> Hello >> >> Have you tried -f (for background) and -N for "Do not execute a remote >> command"? See man 1 ssh for more details. >> >> Svante >> > > Cheers for you! > > It was "-f" without "-N" that produced the error. > > I'm guessing I got down the manpage about as far as > "-f" and didn't go any further. *beats head on desk* > > Thanks, Svante! > > For the archives: > > SMTP OVER SSH TUNNEL FREEBSD > > sudo ssh -f -N -L localname:24:remotename:52525 me@remotename > > When SMTP is listening on "remotename" port 52525. "sudo" is needed > to open the tunnel on the "localname" side on port 24 (a privileged > port). You could do this as "root" on the local side, but shouldn't > connect *to* root on the remote computer. > > On Nov 9, 2009, at 7:30 PM, Kevin Kinsey wrote: >> >> Greetings! >>> >>> >>> sudo ssh -L thisbox:24:remotebox:52525 me@remotebox >>> >>> I've got Sendmail listening there on 52525, and it works >>> fine; the local clients are told to connect to "thisbox" >>> port 24. The only issue is that I have to run it from >>> a terminal session. When I tried to bg the process ("cmdstring &") >>> it doesn't work, exactly. I've gotten an error message >>> at times*, and at other times I apparently get "thisbox" >>> listening on port 24 but it's not an SMTP daemon that's >>> listening. >>> >>> I have a feeling it's cause I'm in csh, which is notorious >>> for backgrounding issues. <?> At any rate, what I'd >>> like to do is have a script set up the connection, or >>> write some daemon that would monitor the connection and >>> fix it if it gets reset. At any rate, if I could get this >>> SSH process to detach from a terminal, it'd be great. >>> >>> Any suggestions? >>> >>> Kevin Kinsey >>> >>> > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > if you put it on a port > 1024 instead of 24 you wont need to run it as root so can drop the sudo bit
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?d36406630911100318n65f775nb64eeeb075f680a6>