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FAQ 33: Not compatible with Internet Connection Sharing

Category: Troubleshooting

DNS Redirector cannot be used with Internet Connection Sharing (commonly known as ICS) which acts as a NAT router between two network interfaces in the same machine.


ICS monopolizes UDP port 53 to forward DNS queries out the WAN (Internet) interface. There is no way to configure ICS to specify a separate DNS server for users on the LAN (Inside) interface.

See kb250603


See Network Examples to implement DNS Redirector with a firewall/router as the default gateway.

Related articles
FAQ 4  ListenOnIP error when starting the software
FAQ 26  Problems with multiple network cards

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