Hi, I had the exact same error on my syslog because my config wasn't valid.
I had at the end of my config. Match Group sftp Subsystem sftp internal-sftp ChrootDirectory %h ForceCommand internal-sftp AllowTcpForwarding no The problem was Subsystem has to be placed outside (before) Match's Subsystem sftp internal-sftp Match Group sftp ChrootDirectory %h AllowTCPForwarding no ForceCommand internal-sftp -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/911753 Title: Wrong directive in config file cause server to crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/911753/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
