iplog is a TCP/IP traffic logger capable of logging TCP port scans, TCP null scans, FIN scans, UDP and ICMP "smurf" attacks, bogus TCP flags, TCP SYN scans, TCP "Xmas" scans, ICMP ping floods, UDP scans, and IP fragment attacks. It currently runs on Linux, FreeBSD, OpenBSD, BSDI and Solaris.
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