RusRoute firewall research project is flexible software IPv4 and IPv6 router and firewall, Internet gateway for Windows, it is the ideal solution for making Internet gateway for local area network (LAN) of small company, the users' traffic encountering and restricting, protection against of network attacks with functions of NAT, redirect, dynamic TCP shaper with conditional expressions, VPN server/client, transparent proxy with port numbers saving, LAN to VPN Bridge, DHCP servers, HTTP caches, HTTP to HTTP proxy converter, captive portal feature, timed action and Splitters for rules, with advanced routing possibilities.