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psad analyzes iptables log messages for suspect traffic

Port Scan Attack Detector (psad) is a collection of three lightweight system daemons written in Perl and in C that are designed to work with Linux iptables firewalling code to detect port scans and other suspect traffic.  It features a set of highly configurable danger thresholds (with sensible defaults provided), verbose alert messages that include the source, destination, scanned port range, begin and end times, tcp flags and corresponding nmap options, reverse DNS info, email and syslog alerting, automatic blocking of offending ip addresses via dynamic configuration of iptables rulesets, and passive operating system fingerprinting.  In addition, psad incorporates many of the tcp, udp, and icmp signatures included in the snort intrusion detection system (http://www.snort.org) to detect highly suspect scans for various backdoor programs (e.g. EvilFTP, GirlFriend, SubSeven), DDoS tools (mstream, shaft), and advanced port scans (syn, fin, xmas) which are easily leveraged against a machine via nmap.  psad can also alert on snort signatures that are logged via fwsnort (http://www.cipherdyne.org/fwsnort/), which makes use of the iptables string match module to detect application layer signatures.

Source Files

Filename Size Changed Actions
psad-2.4.3.tar.bz2 1.33 MB about 2 years ago Download File
psad.changes 5.04 KB about 2 years ago Download File
psad.spec 6.49 KB over 1 year ago Download File

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