ssh forwarding question
Beech Rintoul
beech at freebsd.org
Mon Sep 3 17:37:24 PDT 2007
On Monday 03 September 2007, Pollywog said:
> On Tuesday 04 September 2007 00:13:13 Pollywog wrote:
> > On Monday 03 September 2007 23:08:45 Predrag Punosevac wrote:
> > > Pollywog wrote:
> > > > bind: Can't assign requested address
> > > > channel_setup_fwd_listener: cannot listen to port: 15901
> > > > Could not request local forwarding.
> > >
> > > It seems to me that you have a problem with a firewall. Look at
> > > your own message. It looks like port 15901 is closed for
> > > listening.
> >
> > Here is another clue. Something seems to be wrong with the
> > loopback:
> >
> > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
> > inet6 ::1 prefixlen 128
> > ripple# ping localhost
> > PING localhost (127.0.0.1): 56 data bytes
> > ping: sendto: Can't assign requested address
> > ping: sendto: Can't assign requested address
> > ping: sendto: Can't assign requested address
> > ping: sendto: Can't assign requested address
> > ping: sendto: Can't assign requested address
> > ping: sendto: Can't assign requested address
> >
> > I have not set up a firewall on this host, so the problem is
> > something else, perhaps the output above from ifconfig helps.
>
> Yes that was the problem. I did this:
>
> ifconfig lo0 127.0.0.1 netmask 255.0.0.0
>
> After that I could ping localhost and my VNC connection via SSH
> succeeded. Now how do I fix this problem permanently in FreeBSD, by
> running sysinstall again and setting the loopback address from
> there?
Make sure you have this line in /etc/rc.conf:
ifconfig_lo0="inet 127.0.0.1"
Beech
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