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Reply to MacOS 14 beta: DNS issue when enable VPN
I think DNS is well configured. On worked macOS 13.2.1, the interface details and DNS settings like below: ifconfig en0 en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=50b<RXCSUM,TXCSUM,VLAN_HWTAGGING,AV,CHANNEL_IO> ether 14:9d:99:7a:63:8a inet6 fe80::f9:3d3a:cf03:a052%en0 prefixlen 64 secured scopeid 0x8 inet 10.12.25.199 netmask 0xfffffe00 broadcast 10.12.25.255 nd6 options=201<PERFORMNUD,DAD> media: autoselect (1000baseT <full-duplex>) status: active scutil --dns resolver #1 search domain[0] : dhcp.xxxx.net nameserver[0] : 192.19.189.30 if_index : 8 (en0) flags : Scoped, Request A records reach : 0x00000002 (Reachable) On macOS 14.0 beta 5, the interface and DNS have same settings as 13.2.1, but after tunnel provider connected, nslookup command always timeout. ifconfig en0 en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=50b<RXCSUM,TXCSUM,VLAN_HWTAGGING,AV,CHANNEL_IO> ether 14:98:77:2e:c8:89 inet6 fe80::1485:6060:796d:4828%en0 prefixlen 64 secured scopeid 0x9 inet 10.12.25.44 netmask 0xfffffe00 broadcast 10.12.25.255 nd6 options=201<PERFORMNUD,DAD> media: autoselect (1000baseT <full-duplex>) status: active scutil --dns. (same output before and after enable the tunnel provider) resolver #1 search domain[0] : dhcp.xxxx.net nameserver[0] : 192.19.189.30 if_index : 9 (en0) flags : Scoped, Request A records reach : 0x00000002 (Reachable) Also on same machine(macOS 14.0 beta 5), if use a USB adapter, then DNS works well. The adapter interface details: en7: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=6464<VLAN_MTU,TSO4,TSO6,CHANNEL_IO,PARTIAL_CSUM,ZEROINVERT_CSUM> ether c4:41:1e:75:91:16 inet6 fe80::406:dbc8:b9d0:3bd%en7 prefixlen 64 secured scopeid 0xe inet 10.12.25.68 netmask 0xfffffe00 broadcast 10.12.25.255 nd6 options=201<PERFORMNUD,DAD> media: autoselect (1000baseT <full-duplex>) status: active resolver #1 search domain[0] : dhcp.xxxx.net nameserver[0] : 192.19.189.30 if_index : 14 (en7) flags : Scoped, Request A records reach : 0x00000002 (Reachable)
Aug ’23