ippl - 1.4.14-13 main

writes information about incoming ICMP messages, TCP connections and
UDP datagrams to syslog.
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It is highly configurable and has a built-in DNS cache.
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Please note that upstream is rather inactive lately (no release since
2001), and that there are some rather nasty bugs.
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An incomplete list of the bugs includes:
- random packets don't get logged sometimes
- stops logging at all after some weeks
- ipv6 never got implemented
- documentation is out of sync.
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Trying to fix these bugs is not easy. Please do not expect the Debian
maintainer to do this, but patches are appreciated.
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Please consider using a fully-grown intrusion detection system (like
snort) instead of ippl.