Doorstop X is a straightforward firewall software.
The Doorstop X supports the latest network services, including Tiger's (10.4) operating system. Additionally, if you combine Doorstop X with our Who's There? Firewall Advisor, you'll be able to understand, analyze and react to access attempts.
What sets the Doorstop X apart from other firewalls is its history. The company has been securing Macs since 1998, all the way back when Mac OS 8.1 was the newest operating system. In fact, they literally wrote the book on Internet security.
Overall, the Doorstop X is a reliable and user-friendly way to protect your Mac. The evaluation version is fully functional and will run for 30 days before expiring.
Version 2.2: N/A