HLFL is a firewall language that enables the creation of high-level firewall rules. It uses a user-friendly language that simplifies the process of writing and implementing firewalling rules.
If you are new to HLFL, you can find many working examples in the provided examples section. Additionally, detailed syntax information can be accessed in the syntax section, making it easy for you to create your custom firewalling rules with HLFL.
This firewall software supports multiple firewalling languages such as BSD IPFw (both stateful and not stateful), Cisco ACL, IPFilter, IPFWadm (Linux 2.0), IPChains (Linux 2.2), and NETFilter/IPTables (Linux 2.4). With HLFL, you can easily create rules for any of these languages without any complexities.
This new release of HLFL includes build-release 1.5, which updates the version number. Furthermore, src/hlfl.c 1.45 feature checks for Cisco mask by Toshio Katayama. Overall, HLFL is an excellent tool for creating high-level language firewalling rules that can be used with various firewalling languages.
Version 0.60.1: N/A