[3330] in bugtraq
Re: Reachable addresses on the net (was SYN floods)
daemon@ATHENA.MIT.EDU (Alan Cox)
Wed Sep 4 12:02:02 1996
Date: Wed, 4 Sep 1996 09:23:33 +0100
Reply-To: Alan Cox <coxa@cableol.net>
From: Alan Cox <coxa@cableol.net>
X-To: oxymoron@waste.org
To: Multiple recipients of list BUGTRAQ <BUGTRAQ@NETSPACE.ORG>
In-Reply-To: <Pine.LNX.3.93.960903131508.19040C-100000@waste.org> from "Oliver
Xymoron" at Sep 3, 96 03:15:07 pm
> > 2. Exactly how did you manage to get replies from net 127 addresses? I
> > could SWEAR that 127 is marked reserved for localhost. It would certainly
> > be possible to set up a network on 127; most routing software doesn't care
> > too much about 127, but it'd be kinda goofy.
>
> Linux boxes at least responds to everything on the loopback interface. I'm
> guessing this is some form of loopback optimization..
Actually its called "Reading the standards documents and following them". A
host should count all of 127/8 as itself. If it doesnt then it is either
a) broken or b) misconfigured.
Alan
