Re: getting different ttl values for the same IP

[Joachim Schipper <j.schipper () math uu nl>]

On Wed, Dec 28, 2005 at 01:07:49PM -0000, aqua.le0 () gmail com wrote:
> Hi all
>
> While performing a TCP traceroute using cain&able i got different ttl values for the same ip, can anyone explain 
> about this
>
>
> 10.10.10.10;401 ms (TTL=230) - TTL exceeded;411 ms (TTL=230) - TTL exceeded;500 ms (TTL=230) - TTL exceeded;(Unknown)
>
> 10.10.10.10;400 ms (TTL=106) - Echo Reply;401 ms (TTL=102) - Echo Reply;400 ms (TTL=102) - Echo Reply;(Unknown);

At a guess, 10.10.10.10 is doing NAT to something that is deeper in the
network? Hard to tell without knowing what you sent, though.

Alternatively, an admin thought it nice to fsck with hackers' minds by
adding some randomness to the firewall.

                Joachim

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