Zdravim, chvilku jsem tu nebyl.
Ze zvedavosti jsem zkusil stejny prikaz jako vy, ale me to vzdy vyhodi ze strany serveru, viz. code

linux@linux:~> ssh 194.50.64.65 -v
OpenSSH_6.0p1, OpenSSL 1.0.1c 10 May 2012
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 20: Applying options for *
debug1: Connecting to 194.50.64.65 [194.50.64.65] port 22.
debug1: Connection established.
debug1: SELinux support disabled
debug1: identity file /home/linux/.ssh/id_rsa type -1
debug1: identity file /home/linux/.ssh/id_rsa-cert type -1
debug1: identity file /home/linux/.ssh/id_dsa type -1
debug1: identity file /home/linux/.ssh/id_dsa-cert type -1
debug1: identity file /home/linux/.ssh/id_ecdsa type -1
debug1: identity file /home/linux/.ssh/id_ecdsa-cert type -1
ssh_exchange_identification: Connection closed by remote host
linux@linux:~>