nanog mailing list archives

Re: DoS, ICMP, proxies, SYNDefender


From: Michael Dillon <michael () memra com>
Date: Fri, 4 Oct 1996 09:53:33 -0700 (PDT)

On Fri, 4 Oct 1996, Tim Bass wrote:

This is an interesting issue, IMO.  Application and protocol
programmers would have more information to 'use as they choose'
if ICMP UNREACHABLES were actually sent when destinations
are unreachable and sent 'as a rule'.

This, IMO, is a direct protocol issue, and not a security issue
per se.  

Right on! PHRACK will be publishing my program to transmit bogus ICMP
UNREACHABLE packets in the december 2001 issue. It's called the Bass
Player. :-)

Michael Dillon                   -               ISP & Internet Consulting
Memra Software Inc.              -                  Fax: +1-604-546-3049
http://www.memra.com             -               E-mail: michael () memra com

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