Microsoft Forefront TMG offers a set of features which include Routing and remote access features: Microsoft Forefront TMG can act as a router, an Internet gateway, a virtual private network (VPN) server, a network address translation (NAT) server and a proxy server.Security features: Microsoft Forefront TMG is a firewall which can inspect network traffic (including web contents, secure web contents and emails) and filter out malware, attempts to exploit security vulnerabilities and content that does not match a predefined security policy. In technical sense, Microsoft Forefront TMG sapplicationlayerprotection, stateful filtering, content filtering and anti-malware protection. Network performance