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Veil is designed to monitor arbitrary log files for certain user defined situations to automatically modify an iptables firewall to blacklist potential attackers.
PFL can either operate as a stand-alone firewalllog parser or set up to run and configure ipfw. The major focus is parsing, compressing, and filtering *NIX (to include Mac OSX) firewall logs generated by IPFW for quick and easy admin review.
AutoBahn is a reactive unix log monitor, capable of analyzing logs for suspicious activity and implementing firewall rules to block offenders, all in real-time.
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Running as a daemon it monitors /var/log/messages(configurable)
for bastille iptables and PSAD scan alerts with a max threshold (configurable)
It will block ip on iptables instantly and send abuse email out.
Requires a few perl modules (tries to install)
mIBB - my Iptables Blacklist Builder - is a small script written to be used through the crontab, that looks into /var/log/auth.log for failed logins and builds bad boys blacklist.
Ptcap is a Unix daemon that captures traffic packet size, source, destination, and times and saves this data into a postgres (and now ODBC including mysql) database in near real time, from which traffic reports may be made.
Schedule emailing of your Smoothwall logs. Schedule on a daily/weekly/monthly basis via cron jobs. Formatting options are text and html. csv formatting planned.
What are the packets rejected by your Netfilter based firewall today ? How often this suspicious host try to connect to your box ? What are the most rejected domains ? Who is this strange host which scan your ports ?
The responses are in the iptables log
This project is an AIM application firewall/inspect/monitor program. It can monitor and log all AIM chat sessions to a common location (directory). There is a php script provided to view and present the logged chat sessions via web.
Secwatch is an intrusion detection system using log analysis to detect service scan and other brute-force attempts on a server or other computer using system logs and will create temporary firewall rules to block offending IPs
Gardol monitors system log files to detect denial of service and other attacks and blocks attacking sites with Linux iptables. Attack detection rules may be programmed in Perl.
A Port Knocking C-based server & client. Stealth mode by closed ports, strong encryption (ARC4 & BlowFish), Daemon mode, compresed sequence, MD5 digest log check, user passwords and user privelege system, action triggers... GPL license.
adcfw-log is a tool for analyzing firewall logs in order to extract meaningful information and generate different kinds of reports, such as fully formatted reports of what had been logged, with summaries by source or destination host, the type of service
A statistical view of the recorded activity on a Honeynet. A mechanism for a honeynet to present some information about its findings over the web. This is done by a statistical analysis on the inbound firewall logs recorded by the honeynet's firewall.
LogCop is a set of turn-key bash/firewall/awk scripts for enhancing an IDS. It monitors system logs and blocks IP addresses based on such criteria as illegal user names from repeated attacks. In production under Linux, FreeBSD, OS X, Solaris.
IASON is designed to analyze DNS, log files and data streams. IASON works in conjunction with a network firewall and IDS (Intrusion Detection System) software to block attacks while allowing legitimate requests to reach a domain name server.
The Titan Firewall is an interface Web to manage firewall based on Linux with iptables. It supports filtrate of packages, NAT, logs, VPN's... Implemented in Java and jsp.
IP Traffic Volume: Logs (counts) in- & outgoing bytes through network device(s) using kernel iptables. Highly configurable as to which bytes are logged, e.g. to/from specific ports or ip-addresses. Data displayed in html via cgi or plain ascii to console