sshd debug

1. To run sshd in debug mode as a one time instance without affecting other users:

    # /usr/sbin/sshd -ddd -D -p (port) 2>&1 | awk '{ print strftime("%T: "), $0; fflush(); }' | tee sshd.log

2. On the client end run add -p (port) to the ssh command line

    # ssh -p (port)

1. Open the `/etc/ssh/sshd_config` file in a text editor

    # vim /etc/ssh/sshd_config

2. Add the following line and save the file

    LogLevel DEBUG3

3. Restart SSHD

    # service sshd restar