ssh tunnel problems

Patrick O'Callaghan pocallaghan at gmail.com
Sat Jun 21 17:46:15 UTC 2008


On Sun, 2008-06-22 at 02:55 +0930, Tim wrote:
> Again, don't fall down the "looking in the mirror" trap by trying to
> connect to 127.0.0.1.  That's the numerical address for a machine to
> refer to itself.
> 
> You're playing with the local loopback device.  127.0.0.1 is the
> traditional IP address for it, and localhost is the traditional
> hostname for it.

Not just traditional, it's a required standard (the IP at least). Also,
it's explicitly not routable, i.e. packets with 127.0.0.1 in either
source or destination fields can never appear on a network.

poc




More information about the fedora-list mailing list