Workaroud found here solved my problem Shortening the cipher list (‘ssh -c aes256-ctr’)
http://www.held.org.il/blog/2011/05/the-myterious-case-of-broken-ssh- client-connection-reset-by-peer/ -- 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/708493 Title: cannot login anymore: Read from socket failed: Connection reset by peer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/708493/+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