this post was submitted on 13 Dec 2025
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Depends on how robust your router settings are. Depriving a device of WAN access is somewhat straightforward on OpenWRT or any prosumer grade hardware like Ubiquiti, but may not be an option in the more typical home router.
If your router doesn't support blocking WAN, you may be able to block access to LG domains at the router which is a bandaid on the problem.
You can definitely block WAN access for clients with ASUS' routers. You can even install Pi-hole on the router if you use the Asuswrt-Merlin custom firmware.
Do cheaper routers (e.g. low end TP-Link) really not have the option to block WAN access?