NAT Detector

1 NAT Detector

NAT Detector module can detect NAT sharing services in local networks.

• WFilter analysises internet usage records to check whether NAT sharing services are running.
• You need to enable recording for client devices to be checked.

2 Settings

• Basic Settings
  • NAT Detector: whether or not to enable NAT detector.
  • IP Range: IP range to enable "nat detector". One IP/Range per line. "#" starts a comment, "-" starts an exception. For example: 192.168.1.1, 192.168.1.1-192.168.1.20, -192.168.1.10.
  • Block Routed TTL: block packets being routed based on TTL checking.
  • Interval： Do analysis based on internet usage in configured time peroid.
  • Detection Policy: set OS exceptions.
  • Message: display a message when clients are blocked.(Users will see this message when a http webpage is blocked)
• Action
  • Block internet access for N minutes when NAT sharing is detected.
  • Add to a virtual group for N minutes when NAT sharing is detected. You can use other modules to apply policies to this virtual group.

3 History

In "History", you can query NAT detector history, including IP addresses, MAC address, punishment action... You also can click "Query" icon to check the details.