Short description of TupSight 2.86: An NAT gateway-empowered EIM (Employee Internet Management) product realizing LAN infrastructure/hardware-independent web monitoring and control. As an NAT router with DNS forwarding and proxy functions, it provides the LAN with a single Internet connection and supports port mapping for reverse proxy services. TupSight is also equipped with an easy-to-use and reliable switch sniffer to suit the needs of the "Tech Dummies."