Thanks Cynan for informing me that Kerio Technologies has released a Windows XP compatible version of WinRoute Pro
Targeted to small to mid-sized business, WinRoute Pro gives full control over the corporate network traffic. NAT and stateful packet inspection allow detailed setup of each station or network segment. Moreover, businesses may create a DMZ and run any public service within the secured corporate network, e.g. a corporate web server or a corporate mail server.Read more