North American Network Operators Group
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Re: ICMP filters again

  • From: German Martinez
  • Date: Thu Mar 21 07:25:08 2002 
On Wed, 20 Mar 2002, Donn Lasher wrote:

>
> At 05:16 AM 3/20/2002 -0700, Christopher E. Brown wrote:
> >Is it just me, or are the Tripod member sited filtering type 3 ICMP
> >again? (Think < 1500 octet MTU links and DF/FN)

Donn,
Use this tool:

http://michael.toren.net/code/tcptraceroute/

tcptraceroute is a traceroute implementation using TCP packets.


>
> Would be nice if there was a "list" somewhere of sites that did this. Would
> sure make troubleshooting customers complaining of "unreachable web sites"
> a heck of a lot easier. (Think MLPS over 1514 byte pipes)
>
>
>
>