Penetration Testing mailing list archives

Re: getting different ttl values for the same IP


From: pentest () justinwaite cjb net
Date: 29 Dec 2005 09:36:37 -0000

Hi Aqua,

I would sugest that the box you are tracing to is behind a Checkpoint Firewall with Smart Defence enabled. Smart 
Defence has a TTL scrambling ability to assist in the prevention of OS fingerprinting.

Justin

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