Re: kernel: ICMP: 158.155.0.1: Source Route Failed.
Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 23 Mar 1996 22:29:17 +0000 (GMT)
> > I have been getting this message a lot. What does this mean?
> > kernel: ICMP: 158.155.0.1: Source Route Failed.
>
> Looks like you either tried to send an ICMP packet with a source route
> through a host which doesn't honor source routing, or doesn't exist.
> What do you have referencing the above address? That would be the
> place to start looking.
>
> I could be wrong about that, since I'm not a guru on the network code,
> but as far as I can trace it, that would seem to be the only entry
> point to that error message is recieving a reply that states that a
> Source route fails.
>
> Does linux source route packets, or could the routing have been done
> further up the line? It seems to me that if linux source routes
> packets, it's somewhat hypocritical since we reject them by default.
By default we ignore source routes and don't generate them. Most likely someone has
a firewall that magically inserts source routes for tunneling and then got confused. I
see these occasionally from various [broken] corporate firewalls.
Alan