[2560] in linux-net channel archive
Re: rwhod: Connection refused
daemon@ATHENA.MIT.EDU (Alan Cox)
Wed Apr 17 11:39:22 1996
From: Alan Cox <alan@cymru.net>
To: phil@tazenda.demon.co.uk (Philip Blundell)
Date: Wed, 17 Apr 1996 14:42:31 +0100 (BST)
Cc: alan@cymru.net, linux-net@vger.rutgers.edu
In-Reply-To: <Pine.LNX.3.92.960416201232.2794A-100000@ermintrude.disaster.area> from "Philip Blundell" at Apr 16, 96 08:16:37 pm
> > You have a broken machine (probably SunOS) replying to your broadcast
> > with an ICMP unreachable port.
>
> Ah, thanks. That was indeed the problem. The offending machine is
> actually connected with a SLIP link. Since there isn't really any such
> thing as a broadcast on a point-to-point link, the datagrams are going out
> with that machine's address in the destination field. Presumably it *is*
> entitled to give a port unreachable here.
No, but it should have dropped the packet or routed it somewhere if its not
its own actual port address.
> I guess the easiest fix is just to take out the line from rwhod that
> reports the errors, and let it fail quietly. Or I could tell rwhod not to
> transmit on non-broadcast interfaces.
The latter is probably the right approach.
Alan