SFTP connection timedout

[Binesh S]

We have plesk 11.0.9 with centos 6.3 Suddenly sftp not able to connect the server.

Error: Connection timed out
Error: Could not connect to server.

I have changed all user name and password and try any user settings and chroot settings is not working

Let me know possbile cause and suggestion.

Thanks

 

[IgorG]

Any related errors in log?

 

[Binesh S]

IgorG

Log

error: subsystem: cannot stat /usr/lib/sftp-server: No such file or directory

Feb 19 00:34:47 plesk sshd[2112]: subsystem request for sftp failed, subsystem not found


I just run find / -name sftp

/usr/libexec/openssh/sftp-server

seems to be sshd_config file have right path. However I can not connect sftp

sshd_config file

Subsystem sftp /usr/libexec/openssh/sftp-server





let me know what changes require to for working status




Thanks