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I'm also trying to get DNS and http/https running over wireguard for 2 days in a similar setup as you and still failing with name resolution. What exactly do you mean by "register the same dns ... on the main connection as on the wireguard interface".
I'm trying to change my DNS settings on my Debian 12 VPS, and by this I mean, I want to use a public resolver like 1.1.1.1 instead of my VPS host's resolver. I remember in Debian 11 I could just edit the /etc/resolv.conf file, and restart the resolvconf.service and everything would work fine.
As resolved ( no pun intended ) in the comments, setting DNS on 18.04 can be done by configuring systemd-resolved either via # note, is the device via which you access internet - wireless or ethernet # interface name can be found via `ip addr` command systemd-resolve --set-dns=1.1.1.1 --interface=wlp2s0
I've noticed that the cloudflare nameserver can't resolve certain DNS-names and replies with a SERVFAIL. However, when I run the dig command, I still get a reply. Why is that? $ dig sdo.gsfc.nasa....
Much has been said and written about the blazingly fast speed offered by the 1.1.1.1 service with it being hailed as the world's fasted. I don't dispute this, no doubt the resolution is extremely fast. However, once the DNS has done it's job and given me an A record (for example) I'm now at the mercy of the network route to the resolved record.
Set nameserver 1.1.1.1. Finally, save your changes and restart the machine in order to take effect. To validate after restart, check that the nameserver 1.1.1.1 is the first entry in /etc/resolv.conf by. cat /etc/resolv.conf
If people have the luxury of choices, shall pick "dns over tls" for slightly faster speed. HTTPS itself is built on top of TLS. Hence, "dns over tls" is one layer less overhead.
Let's ignore any DNS servers pushed to you from your DHCP server: nmcli connection modify 'Wired connection 1' ipv4.ignore-auto-dns yes Add a DNS server to your connection: nmcli connection modify 'Wired connection 1' ipv4.dns 8.8.8.8 If you want to add an additional DNS server: nmcli connection modify 'Wired connection 1' +ipv4.dns 1.1.1.1
I have tried clearing the DNS cache, restarting the server, restarting the services, etc. Nothing has worked. One weird event I noticed in the DNS Server Event Logs that might be related is an event ID of 5504 with the following description: The DNS server encountered an invalid domain name in a packet from 192.33.4.12. The packet will be rejected.
[Resolve] DNS=1.1.1.1 #FallbackDNS= Domains=~. #LLMNR=no #MulticastDNS=no #DNSSEC=no DNSOverTLS=opportunistic #Cache=yes #DNSStubListener=yes While monitoring the network (with tcpdump) to see if the resulting behavior was the intended one, it seems that a TLS session is established with the target server; but, then the server closes the ...