RusRoute is a router and firewall tool, Internet gateway for you operating 
system. It is the ideal solution for making Internet gateway for local area 
network (LAN) of any firm, encountering and restriction of the traffic of 
users, protection against of network attacks with functions of NAT, 
redirect, dynamic shaper with conditional expressions, VPN server, proxy, 
LAN to VPN Bridge, DHCP servers, HTTP caches, HTTP to HTTP proxy converter, 
optional TCP stack replacement, captive portal feature, timed action and 
Splitters for rules, with advanced routing options.

http://www.rusroute.com