*** This bug is a duplicate of bug 1838038 ***
https://bugs.launchpad.net/bugs/1838038
This is in fact a known problem: bug #1838038.
** This bug has been marked a duplicate of bug 1838038
[snap] Snapped apps do not work with .local mdns/avahi name resolution
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https://bugs.launchpad.net/bugs/1956365
Title:
Firefox snap package can not resolve .local dns names
Status in firefox package in Ubuntu:
Invalid
Bug description:
Firefox snap package does not resolve .local dns names after recent
update.
After a recent snap package update of Firefox I can no longer resolve
.local DNS names for my local network. This ONLY impacts the Firefox
snap package. Brave, Chrome and DNS resolution on the local terminal
(ping) are working correctly.
When opening https://docker.local developer tools displays the error
NS_ERROR_UNKNOWN_HOST
gary@orion:~$ ping docker.local
PING docker.local (192.168.0.18) 56(84) bytes of data.
64 bytes from docker.local (192.168.0.18): icmp_seq=1 ttl=64 time=2.37 ms
64 bytes from docker.local (192.168.0.18): icmp_seq=2 ttl=64 time=2.74 ms
64 bytes from docker.local (192.168.0.18): icmp_seq=3 ttl=64 time=2.53 ms
64 bytes from docker.local (192.168.0.18): icmp_seq=4 ttl=64 time=2.46 ms
64 bytes from docker.local (192.168.0.18): icmp_seq=5 ttl=64 time=2.41 ms
Running WireShark shows Firefox sending a single SOA DNS request to the local
DNS server.
No DNS requests for the docker.local A record are generated by the Firefox
snap package.
56 3.699461647 192.168.0.101 192.168.0.15 DNS 65
Standard query 0x70f9 SOA local
57 3.702560799 192.168.0.15 192.168.0.101 DNS 65
Standard query response 0x70f9 SOA local
I have tested this faulty behavior on multiple machines running Ubuntu 20.04
and Ubuntu 21.10.
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