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/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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72

Exploring Passive OS Fingerprinting With Netfilter Module and Iptables

Passive OS fingerprinting netfilter module allows to passively detect remote OS and perform various netfilter actions based on that knowledge. This module compares some data (WS, MSS, options and it's order, ttl, df and others) from packets with SYN bit set with dynamically loaded OS fingerprints. Starting from 2008_07_01 version OSF works only with Xtables, so you have to upgrade to recent kernels (and ename xtables support) and iptables (tested with 1.4.1.1). Also note, that Debian (starting from Lenny) has serious problems with iptables-dev package, which does not contain needed headers, so better install iptables from sources. Have you ever hear about a netfilter module that does passive OS fingerprinting? If you are interested in learning more about this check out this article.. The link for this article located at ioremap.net is no longer available. . Discover the intricacies of passive OS fingerprinting utilizing netfilter modules alongside iptables. Investigate its characteristics and practical uses.. Passive OS Fingerprinting, Netfilter Module, Network Detection, Cybersecurity Applications. . Bill Locke

Calendar 2 Dec 09, 2008 User Avatar Bill Locke Firewalls
77

Collaborate on Passive OS Fingerprinting and Enhance Network Security

Lance Spitzner submits If there's any way you could could contribute, I'd really appreciate this. I set up a very simple visit-to-fingerprint page to gather p0f signatures for the new version (which is getting more and more interesting, I . . . . Lance Spitzner submits If there's any way you could could contribute, I'd really appreciate this. I set up a very simple visit-to-fingerprint page to gather p0f signatures for the new version (which is getting more and more interesting, I never expected so much feedback). I mostly look for more obscure systems, err, SCO, MacOS, AIX, HPUX, IRIX and whatnot, more Solaris, older Windows, also some more OpenBSD and NetBSD, etc. I have w2k/xp/linux 2.2-2.6 and most freebsd covered already. I don't want to generate a third post to MLs, but I'd appreciate if you could forward it around to whoever you know who runs some of the boxes mentioned. The link for this article located at MichalZalewski is no longer available. . Examine the techniques employed in passive OS fingerprinting and create distinctive signatures for different system architectures to enhance network security. Passive OS Fingerprinting, Security Techniques, Community Contributions. . LinuxSecurity.com Team

Calendar 2 Aug 18, 2003 User Avatar LinuxSecurity.com Team Server Security
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Community Poll

What got you started with Linux?

No answer selected. Please try again.
Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).
/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
0
[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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