On Tue, 19 Sep 2000, Leif Neland wrote:
> If I understand correctly, traceroute works by sending pings with ttl=1,
> ttl=2,ttl=3 etc and records the names of the routers where the ttl reaches
> zero.
>
> However, an increasing number of sites believes in security by obscurity,
> and blocks for pings.
>
> Would the same technique work for making a telnet to port 80 with ttl=1,
> ttl=2 etc?
>
> Leif
Of course it works, and very well. You should try hping
(http://www.kyuzz.org/antirez/hping/) which is a _very cool_ tool
developped by Antirez. With it you could do (among many things)
traceroute over tcp.
regards,
--
Yann BERTHIER [EMAIL PROTECTED]
Network Security Consultant Herve Schauer Consultant
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