Michael C. Toren on Sat, 7 Jun 2003 17:54:05 -0400

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Re: [tcptra-dev] tcptraceroute-1.5beta1

> Good news.  Removing the LinkSys router/firewall has helped everything
> work exactly as one would expect.  It worked with beta2 and now with 
> beta3.


> Could you give me a brief summary of what you suspect is the issue with
> the firewall/router?  I think you suspected something related to ICMP
> messages -- I'd appreciate a reiteration on the issue so I can approach
> LinkSys for support.

It appears to be blocking inbound ICMP time-exceeded messages, which are
required for any traceroute program to operate.

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