Public bug reported:
Something in the stack - Pidgin or avahi - gets confused if one machine
has a global IPv6 address and the other only has a link-local address.
Pidgin sees the global address advertised by mDNS, but connections come
from the link-local address, and it rejects them because of the address
mismatch:
(16:48:32) bonjour: _resolve_callback - name:User@beelink
account:0x55f7906b8070 bb:(nil)
(16:48:32) bonjour: _resolve_callback - name:User@beelink
ip:IPv6:addr:ess:obsc:ured:5a15 prev_ip:(null)
(16:48:32) blist: Updating buddy status for User@beelink (Bonjour)
(16:48:32) bonjour: _resolve_callback - name:User@beelink
account:0x55f7906b8070 bb:0x55f79140a040
(16:48:32) bonjour: _resolve_callback - name:User@beelink ip:192.168.X.Y
prev_ip:(null)
[..]
(16:48:41) bonjour: Received incoming connection from
fe80::link:locl:addr:hddn%4.
(16:48:41) bonjour: We don't like invisible buddies, this is not a superheroes
comic
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: pidgin 1:2.12.0-1ubuntu4
ProcVersionSignature: Ubuntu 4.15.0-58.64-generic 4.15.18
Uname: Linux 4.15.0-58-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
Date: Tue Aug 27 16:56:14 2019
InstallationDate: Installed on 2018-05-31 (453 days ago)
InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcEnviron:
TERM=screen.xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: pidgin
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: pidgin (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1841621
Title:
Bonjour messages not received if one party has global ipv6 address and
one doesn't
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