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IAmStoxe
error message about port 53
I am getting this error message after using your docker compose on synology nas:
root@skyl:# docker run --rm --entrypoint unbound-anchor mvance/unbound -v [1623525383] libunbound[1:0] error: udp connect failed: Cannot assign requested address for 2001:7fe::53 port 53 [1623525384] libunbound[1:0] error: udp connect failed: Cannot assign requested address for 2001:500:200::b port 53 /opt/unbound/etc/unbound/root.key does not exist success: the anchor is ok
I am using your unbound.conf file. Any help will be appreciated. Many thanks.
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:7fe::53 port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:a8::e port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:2::c port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:7fd::1 port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:12::d0d port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:2d::d port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:503:c27::2:30 port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:a8::e port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:503:c27::2:30 port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:200::b port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:12::d0d port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:503:c27::2:30 port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:12::d0d port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:500:9f::42 port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:503:c27::2:30 port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:503:ba3e::2:30 port 53
[1626994958] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:503:ba3e::2:30 port 53
[1626994959] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:503:c27::2:30 port 53
[1626994959] unbound[1:0] warning: so-rcvbuf 1048576 was not granted. Got 360448. To fix: start with root permissions(linux) or sysctl bigger net.core.rmem_max(linux) or kern.ipc.maxsockbuf(bsd) values.
[1626994959] libunbound[18:0] error: udp connect failed: Cannot assign requested address for 2001:503:c27::2:30 port 53
[1626994959] unbound[1:0] warning: so-rcvbuf 1048576 was not granted. Got 360448. To fix: start with root permissions(linux) or sysctl bigger net.core.rmem_max(linux) or kern.ipc.maxsockbuf(bsd) values.
I'm not convinced either of these errors actually stop anything working, they're just annoying.
The first line appears to be an upstream bug in unbound which is making it check root servers with ipv6 even if ipv6 is disabled. It's meant to be fixed eventually. You could manually remove the server from the internal config but you'd have to mount more of the container to get to it.
The second line you can do what it says, and add "net.core.rmem_max = 1048576" to your sysctl on the host.
