RE: getting different ttl values for the same IP

["Andrew Lacey" <andrew.lacey () classicblue com au>]

Just to clarify,  Smart defence TTL scrambling will set all values to a
configurable value "default is 128" it does not change random ICMP
packets.

So far my money is on a load balancer...



-----Original Message-----
From: pentest () justinwaite cjb net [mailto:pentest () justinwaite cjb net] 
Sent: Thursday, 29 December 2005 8:37 PM
To: pen-test () securityfocus com
Subject: Re: getting different ttl values for the same IP

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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Audit your website security with Acunetix Web Vulnerability Scanner:

Hackers are concentrating their efforts on attacking applications on your
website. Up to 75% of cyber attacks are launched on shopping carts, forms,
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to SQL injection, Cross site scripting and other web attacks before hackers do!
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