libnids1.21 1.23-1.1build1 (amd64 binary) in ubuntu maverick

 Libnids is a library that provides the functionality of one of the NIDS
 (Network Intrusion Detection System) components, namely E-component.
 Libnids code watches all local network traffic, cooks received datagrams a
 bit, and provides convenient information about them to the NIDS analyzing
 modules.
 Libnids performs assembly of TCP segments into TCP streams, IP
 defragmentation, and TCP port scan detection.