On a server with ubuntu 18.04 I try to download the Jitsi GPG key with the
wget downloading utility: I get this error message
$ wget https://download.jitsi.org/jitsi-key.gpg.key
–2021-02-20 12:23:26-- https: download jitsi org/jitsi-key.gpg.key
Resolving download jitsi org (download jitsi org)… 184.108.40.206, 220.127.116.11
Connecting to download.jitsi.org (download jitsi org)|18.104.22.168|:443… failed: Network is unreachable.
Connecting to download.jitsi org (download jitsi org)|22.214.171.124|:443… failed: Network is unreachable.
How to do ?