Tag Archive | "Countermeasures"


05 November 2007 | 3,303 views

GFI End of Year Offer – Up to 50% Off

Just a quick note as I know many of you guys are in corporate security positions and might be looking for some of the solutions GFI offers. They are having a Q4 promotion with up to 50% off on some of their products/services. GFI MailEssentials – 25% GFI MailEssentials & GFI MailSecurity Suite – 25% [...]

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27 March 2006 | 8,236 views

Sealing Wafter – Defend Against OS Fingerprinting for OpenBSD

One way to defend against OS fingerprinting from tools such as nmap, queso, p0f, xprobe etc is to change the metrics that they base their analysis on. One way to do this with OpenBSD is to use Sealing Wafter. Goals of Sealing Wafter: 1. To reduce OS detection based on well known fingerprints network stack [...]

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18 March 2006 | 12,077 views

Security Cloak – Mask Against TCP/IP Fingerprinting for Windows

I’ve seen quite a lot of discussion lately on how to ‘defend against nmap’ or how to change the properties of your TCP/IP Stack so your Windows OS appears to be something else (As in you can guess the OS from the TTL value passed back in a TCP/IP packet). One way you can do [...]

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