1. Requirements Perl 5 or greater should be fine tested with 5.6 XML::Writer Version 0.4 or greater You can get it from www.cpan.org 2. Input Files You need to have acces to your Checkpoint V4.1 Rulesbase.W and objects.C file. They are usally stored in /etc/fw/conf 2. Running cp2fwbuilder --objects=objects.C \ --rules=Rulebase.W \ --output_xml=Rulebase.xml