Public bug reported: TL:DR seem's like "ping/wget" etc become dislike truncated UDP DNS reply and the become tell "Temporary failure in name resolution" instead fallback to TCP protocol...
https://github.com/DNSCrypt/dnscrypt-proxy/issues/2 I'm using DNSCrypt-proxy running at 127.0.2.1:53 me@nb:~$ cat /etc/resolv.conf nameserver 127.0.2.1 me@nb:~$ nslookup ya.ru Server: 127.0.2.1 Address: 127.0.2.1#53 Non-authoritative answer: Name: ya.ru Address: 87.250.250.242 me@nb:~$ ping ya.ru PING ya.ru (87.250.250.242) 56(84) bytes of data. 64 bytes from ya.ru (87.250.250.242): icmp_seq=1 ttl=50 time=31.3 ms ^C --- ya.ru ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 31.320/31.320/31.320/0.000 ms now I'm setting TCPOnly on into /etc/dnscrypt-proxy/dnscrypt-proxy.conf me@nb:~$ sudo service dnscrypt-proxy restart me@nb:~$ nslookup ya.ru ;; Truncated, retrying in TCP mode. Server: 127.0.2.1 Address: 127.0.2.1#53 Non-authoritative answer: Name: ya.ru Address: 87.250.250.242 me@nb:~$ ping ya.ru ping: ya.ru: Temporary failure in name resolution Is it possible to serve DNS over UDP but communicate between DNSCrypt proxy and DNSCrypt server over TCP? ** Affects: resolvconf (Ubuntu) Importance: Undecided Status: New ** Tags: dns -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to resolvconf in Ubuntu. https://bugs.launchpad.net/bugs/1745540 Title: Ubuntu 17.10 - DNS query via TCP not working Status in resolvconf package in Ubuntu: New Bug description: TL:DR seem's like "ping/wget" etc become dislike truncated UDP DNS reply and the become tell "Temporary failure in name resolution" instead fallback to TCP protocol... https://github.com/DNSCrypt/dnscrypt-proxy/issues/2 I'm using DNSCrypt-proxy running at 127.0.2.1:53 me@nb:~$ cat /etc/resolv.conf nameserver 127.0.2.1 me@nb:~$ nslookup ya.ru Server: 127.0.2.1 Address: 127.0.2.1#53 Non-authoritative answer: Name: ya.ru Address: 87.250.250.242 me@nb:~$ ping ya.ru PING ya.ru (87.250.250.242) 56(84) bytes of data. 64 bytes from ya.ru (87.250.250.242): icmp_seq=1 ttl=50 time=31.3 ms ^C --- ya.ru ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 31.320/31.320/31.320/0.000 ms now I'm setting TCPOnly on into /etc/dnscrypt-proxy/dnscrypt- proxy.conf me@nb:~$ sudo service dnscrypt-proxy restart me@nb:~$ nslookup ya.ru ;; Truncated, retrying in TCP mode. Server: 127.0.2.1 Address: 127.0.2.1#53 Non-authoritative answer: Name: ya.ru Address: 87.250.250.242 me@nb:~$ ping ya.ru ping: ya.ru: Temporary failure in name resolution Is it possible to serve DNS over UDP but communicate between DNSCrypt proxy and DNSCrypt server over TCP? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/resolvconf/+bug/1745540/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
