Penetration Testing mailing list archives
RE: getting different ttl values for the same IP
From: "Andrew Lacey" <andrew.lacey () classicblue com au>
Date: Tue, 3 Jan 2006 13:12:25 +1100
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 ------------------------------------------------------------------------ ------ 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, login pages, dynamic content etc. Firewalls, SSL and locked-down servers are futile against web application hacking. Check your website for vulnerabilities to SQL injection, Cross site scripting and other web attacks before hackers do! Download Trial at: http://www.securityfocus.com/sponsor/pen-test_050831 ------------------------------------------------------------------------ ------- ------------------------------------------------------------------------------ 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, login pages, dynamic content etc. Firewalls, SSL and locked-down servers are futile against web application hacking. Check your website for vulnerabilities to SQL injection, Cross site scripting and other web attacks before hackers do! Download Trial at: http://www.securityfocus.com/sponsor/pen-test_050831 -------------------------------------------------------------------------------
Current thread:
- Re: getting different ttl values for the same IP Maciek Dudek (Jan 01)
- <Possible follow-ups>
- RE: getting different ttl values for the same IP Andrew Lacey (Jan 02)