Maybe this could be related to upstream https://github.com/RsyncProject/rsync/pull/558 "configure.ac: fix failing IPv6 check due to missing return type" ?
** Description changed: The security upgrade of rsync from 3.3.0-1 (oracular) to 3.3.0-1ubuntu0.1 (oracular-updates) breaks my current rsync over SSH - backup for a IPv6-only target host!: + backup for an IPv6-only target host!: - rsync -a --delete -s --rsh="ssh -vvvv" -p 22 /tmp/emptydir/ + rsync -a --delete -s --rsh="ssh -vvvv" -p 22 /tmp/emptydir/ ad...@ipv6only.reachable.nas:/share/CACHEDEV3_DATA/targetdir 3.3.0-1ubuntu0.1 outputs here: OpenSSH_9.7p1 Ubuntu-7ubuntu4.1, OpenSSL 3.3.1 4 Jun 2024 debug1: Reading configuration data /etc/ssh/ssh_config [...] debug3: resolve_host: lookup ipv6only.reachable.nas:22 ssh: Could not resolve hostname ipv6only.reachable.nas: Name or service not known rsync: connection unexpectedly closed (0 bytes received so far) [sender] rsync error: unexplained error (code 255) at io.c(232) [sender=3.3.0] while 3.3.0-1 outputs here: OpenSSH_9.7p1 Ubuntu-7ubuntu4.1, OpenSSL 3.3.1 4 Jun 2024 debug1: Reading configuration data /etc/ssh/ssh_config [...] debug3: resolve_host: lookup ipv6only.reachable.nas:22 debug3: channel_clear_timeouts: clearing debug3: ssh_connect_direct: entering debug1: Connecting to ipv6only.reachable.nas [2001:9e8:…] port 22. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2096914 Title: rsync 3.3.0-1ubuntu0.1 patch breaks IPv6 over SSH: "ssh: Could not resolve hostname x: Name or service not known" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/2096914/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
