suricata - 1:6.0.1-3+deb11u1 main

Suricata is a network Intrusion Detection System (IDS). It is based on
rules (and is fully compatible with snort rules) to detect a variety of
attacks / probes by searching packet content.
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It can also be used as Intrusion Prevention System (IPS), and as higher layer
firewall.
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This new Engine supports Multi-Threading, Automatic Protocol Detection
(IP, TCP, UDP, ICMP, HTTP, TLS, FTP and SMB), Gzip Decompression, Fast
IP Matching and coming soon hardware acceleration on CUDA and OpenCL GPU
cards.
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This version has inline (NFQUEUE) support enabled.