[63228] in North American Network Operators' Group
Re: ICMP Blocking Woes
daemon@ATHENA.MIT.EDU (John Kristoff)
Tue Sep 30 20:37:15 2003
Date: Tue, 30 Sep 2003 19:36:23 -0500
From: John Kristoff <jtk@depaul.edu>
To: nanog@merit.edu
In-Reply-To: <3F7A1E41.C6E641ED@globalstar.com>; from crist.clark@globalstar.com on Tue, Sep 30, 2003 at 05:22:25PM -0700
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, Sep 30, 2003 at 05:22:25PM -0700, Crist Clark wrote:
> > Wasn't this based upon the premise that gear should not return ICMP
> > errors as a result of ICMP packet input as a precaution against error
> > loops? ie said dodgy router did the _right_ thing?
> That would be disingenious. RFC1122 clearly lists which ICMP are error
> messages,
The following from W. Richard Stevens' archive presents some additional
insight:
<http://www.kohala.com/start/papers.others/vanj.99feb08.txt>
John
