SSH slow connection issues

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When I connect to a Linux machine via ssh, it waits a long time (~ 10secs) before showing me the password prompt.

After some research, I found that it's caused by the GSS API authentication issue. Some suggestions to solve this issues are listed below (either one of this will work):

  1. Disable the GSS API authentication in sshd:

            Modify the file "/etc/ssh/sshd_config", disable the "GSSAPIAuthentication" by:

    GSSAPIAuthentication no 

     

  2. Disable GSS API authentication in PuTTY:

        Connection > SSH > Auth > GSSAPI

                    Uncheck "Attempt GSSAPI authentication (SSH-2 only)" 

 

 

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