Subject: Re: traceroute problem
To: None <port-i386@netbsd.org>
From: Geoff Wing <mason@primenet.com.au>
List: port-i386
Date: 01/05/2000 02:33:25
Alex van Denzel <bitbucket@adenzel.demon.nl> typed:
:Paul Goyette wrote:
:> The firewall is probably blocking most UDP ports;  traceroute uses
:> UDP.  Ping works because ping uses ICMP ECHO messages....
:Does it?.
:I heard about traceroute implementations using ICMP ECHOs with
:timetolive set from 1 up, and display the ``can't forward'' messages. 

That's ``tracert'' - MS Window's traceroute, and does it on
``time exceeded (in transit)'' replies.

Regards,
-- 
Geoff Wing : <gcw@pobox.com>     Work URL: http://www.primenet.com.au/
Rxvt Stuff : <gcw@rxvt.org>      Ego URL : http://pobox.com/~gcw/
Zsh Stuff  : <gcw@zsh.org>       Phone   : (Australia) 0413 431 874