ip-filter-cgi is a set of Perl scripts to modify rules of IP Filter (a TCP/IP packet-filtering package).
You can download it from the following link: https://packetstormsecurity.com/files/download/21884/ip-filter-cgi0.1.tar.gz
Source: https://packetstormsecurity.com/files/21884/ip-filter-cgi0.1.tar.gz.html