FreeBSDShield 0.1

FreeBSDShield is a reporting client for FreeBSD and the ipfw firewall.

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BSD License 
ROOT \ System \ Networking
FreeBSDShield is a reporting client for FreeBSD and the ipfw firewall.

The project allows you to report attempted security breaches to the DShield cooperative firewall logging effort, which in turn helps the Internet Storm Center (and netizens at large) track trends in network security and catch emerging vulnerabilities.

Here are some key features of "FreeBSDShield":

Written in PHP5 for fast execution
Parses ipfw-style /var/log/security logs
Formats incident reports and submits to


FreeBSD and the ipfw firewall, or some other environment that generates identical logs
PHP 5.x (the latest stable release of PHP is always suggested). user ID number - if you don't have one, just register at DShield


To use FreeBSDShield, first extract the archive and then edit the freebsdshield.php file. Set the configuration options at the top of the script as desired. To execute the script, run php freebsdshield.php in the working directory. You should see output similar to this:

[root@agaliarept freebsdshield]# php freebsdshield.php
Last run: 1171746161 (Feb 17 15:02:41)
Processing /var/log/security.2.gz...
Processing /var/log/security.1.gz...
Processing /var/log/security.0.gz...
Processing /var/log/security...
12051 incidents noted.
Report sent to

It is suggested that you create a cron job to run FreeBSDShield automatically. The periodicity of your cron job depends upon the volume of intrusion attempts made against the machine(s) under your control. For most home users, a once-daily execution should be fine; enterprise or high-profile users may wish to run FreeBSDShield more frequently to reduce processing time and report size. asks that you do not submit a report more than once per hour; please don't inundate them with reports.

Last updated on February 23rd, 2007

#DShield reporting #ipfw firewall #network firewall #FreeBSDShield #DShield #reporting #ipfw

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