Hello Erik, yes, I know that the DNS is private. This is why I have that on my macOS configuration:
# … AllowedIPs = 10.136.16.0/22, 169.254.169.253/32 # … Cheers, Alexander Am Mo., 3. Aug. 2020 um 14:02 Uhr schrieb Gijs Conijn <[email protected]>: > > The DNS you are using is private and only works if routed through the tunnel. > > You have to add the DNS address to the allowed IP's so that it is routed via > the tunnel. > > Regards, Erik DDWRT user > > Alexander Skwar <[email protected]> schreef op 3 > augustus 2020 11:15:21 CEST: >> >> Hello >> >> I'm having issues with the macOS App. tl;dr: It doesn't set the system >> DNS to the IP of my resolver which is only reachable once the tunnel >> is up. >> >> Here's my "clients" (macOS) configuration: >> >> ##################################################################### >> [Interface] >> PrivateKey = ...= >> Address = 172.31.0.3/24 >> DNS = 10.136.16.2 >> >> [Peer] >> PublicKey = ...= >> AllowedIPs = 10.136.16.0/22, 169.254.169.253/32 >> Endpoint = wg.....ch:51820 >> ##################################################################### >> >> Matching "server" configuration (Debian 10): >> >> ##################################################################### >> [Interface] >> Address = 172.31.0.1/24 >> Listenport = 51820 >> PrivateKey = ...= >> PostUp = iptables -A FORWARD -i wg0 -j ACCEPT; iptables -A FORWARD -o >> wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o ens5 -j MASQUERADE >> PostDown = iptables -D FORWARD -i wg0 -j ACCEPT; iptables -D FORWARD >> -o wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o ens5 -j MASQUERADE >> >> [Peer] # alexander-mac-1 >> PublicKey = kw6A7iN/sF0k2bePr15M10e6Ufhp7sJVWhZcZvGcrT8= >> AllowedIPs = 172.31.0.3/32 >> ##################################################################### >> >> When I activate this tunnel on my mac and do a "dig" or "host" query >> for some name which only the private resolver 10.136.16.2 knows, I get >> an NXDOMAIN (query failed). >> When I do "dig @10.136.16.2 $sameName", the name gets resolved (ie. >> when I manually s). This shows that the routing is working fine. >> >> As some extra tests, I set "DNS = 208.67.222.222" (OpenDNS) and tried >> to resolve their test site www.internetbadguys.com. It resolves to >> 146.112.61.108, which means that OpenDNS is used (I'm normally not >> using it). It also shows on https://welcome.opendns.com/. >> Same result with setting "DNS = 1.1.1.1" and then going to >> https://1.1.1.1/help - DNS is set. >> >> This means that the macOS App *IS* able to set the system default >> DNS, but for some reason doesn't set it to my private DNS IP of >> 10.136.16.2. >> There is ONE (bad) work around: When I set "AllowedIPs = 0.0.0.0/0", >> then the App DOES set the system default DNS to 10.136.16.2. >> >> The log of the application doesn't show anything regarding DNS. >> Pasted at https://paste.ee/p/ziqrg. >> >> Well… Why does the macOS App refuse to set the DNS to 10.136.16.2? >> >> Versions used: >> App version: 0.0.20191105 (16) >> Go backend version: 0.0.20191013 >> macOS: Catalina 10.15.5 (19F101) >> >> >> Cheers, >> Alexander -- Alexander -- => Google+ => http://plus.skwar.me <== => Chat (Jabber/Google Talk) => [email protected] <==
