North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: ICMP Blocking Woes

  • From: John Kristoff
  • Date: Tue Sep 30 20:38:34 2003

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