Firewalk X 2.3 for Mac was free to download from our application library. The software lies within Internet & Network Tools, more precisely General.
From the developer:
Firewalk X is a configuration and maintenance utility for Mac OS X's built-in firewall.
Features found in Firewalk X are: Can create rules for TCP, UDP, and ICMP protocols. Can specify ranges of IP addresses and ports including origination and destination ports. Configurable automatic port value inserter for helping with rule setup. System setup for firewall activation at system startup.