I have a Ubuntu system with a wired connection to a router, and a USB connection to 4G internet via an iPhone. I want to be able to connect other clients to the router and access the internet via the 4G link. I have followed the steps here iptables forwarding between two interface and it is successfully routing ping requests and seems to connect to sites provided I use the IP address of the site rather than the 'name'. Where I am lost is that once I connect to the router, and use nslookup with the DNS server on the 4G, the correct result is returned, however it can't seem to do that without explicitly giving the server address. I have set this server as the DNS server in the router, and also tried setting it on the client, but neither work. Does anyone have any suggestion what I might be missing?
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As Mentoid by me
Use/install a Local Resolver like Bind9 or dnsmasq
In case you have many requests, it makes more sense to do it on your own.
djdomi
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