[Bug 1796979]

[Michal-novotny]

(In reply to rex from comment #44)

> The original hook3 running firefox provides output like yours:
> gethostbyname_r=myhostname, retval=0, succeeded
>   address: 127.0.1.1
> gethostbyname_r=myhostname, retval=0, succeeded
>   address: 127.0.1.1
> getaddrinfo node=detectportal.firefox.com, service=(null), hints=0x7f0d6787c940, retval=0
>   hints.ai_family=0
>   hints.ai_socktype=1
>   hints.ai_protocol=0
>   hints.ai_flags=32
>   IPv4 address: 23.54.163.42
>   IPv4 address: 23.54.163.75
>   IPv6 address: 2600:1404:27::17d7:6222
>   IPv6 address: 2600:1404:27::17d7:6241
> etc.

This looks normal.

> /etc/resolv.conf
> nameserver 127.0.1.1
> 
> "hosts" from /etc/nsswitch.conf
> hosts:          files wins dns
> 
> I attempted systemd-resolve --status just in case, but received:
> systemd-resolve: unrecognized option '--status'

You could try:
resolvectl status

127.0.1.1 is a local address so something must be listening and forwarding the requests. You can use following command to find out, what it is:
sudo netstat -u -l -p -n  | grep -e ":53[[:space:]]"

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https://bugs.launchpad.net/bugs/1796979

Title:
  Intermittently can't connect to the server

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