Plax Network Suite

Plax Network Suite是一个网络安全工具系列集成，让你控制网络活动，防止病毒入侵，可以直接开启win防火墙的某个实例，每次活动的联网都可经过你的允许才能进行。
Plax Network Suite is an easy to use collection of network tools which give you full control over the internet activity of your computer.

Designed for quick access, the Windows Firewall button provides an instant ON/OFF switch for Windows XP Firewall. Designed to integrate with Windows, and be powerful but simple to use, Windows Firewall operates deep under cover, without bothering you at all.

It can help stop viruses and worms reaching your computer, ask for permission to block or unblock certain connection requests from applications and software, and create a security log if required. It's an automatic first line of defense for those who don't have any other software installed.