InfoWorld: TCP fingerprinting solutions for Linux offer another way to gather security data

TCP fingerprinting works by sending TCP packets to a port and
noticing how the TCP stack responds… each vendor implements the
TCP/IP stack a little differently….

The first such tool to hit the Internet was Queso, which runs on
Linux only [and]… was released to the public domain in early

Security heavyweights Network Associates (NAI) and Internet
Security Systems (ISS) are also planning to build this technology
into their products…

Complete story

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