I've figured out that it is caused by this line in /etc/ssh/ssh_config ProxyCommand /usr/bin/sss_ssh_knownhostsproxy -p %p %h
This was put there by the freeipa installer (ipa-client-install), so I guess this is a freeipa or sssd bug. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/1687482 Title: -4 flag doesn't work Status in openssh package in Ubuntu: Incomplete Bug description: Whenever I use the -4 flag on ssh, it still uses the ipv6 address from dns instead of forcing ipv4 like it says it is supposed to do in the man page. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1687482/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp