sshd - is the daemon program for ssh

To use either IPv4 or IPv6 only # /usr/sbin/sshd -4 # /usr/sbin/sshd -6

To display debug modes # /usr/sbin/sshd -D

# /usr/sbin/sshd -d -d -d

To send the error messages to the standard error # /usr/sbin/sshd -d -e

To use own config file for sshd apart default /etc/ssh/sshd_config # /usr/sbin/sshd -f /root/conf/custom_sshd.conf

To customize SSHD grace time # /usr/sbin/sshd -g 180

To specify options in command line # /usr/sbin/sshd -o "AllowUsers user3 user4"

regards, T.Dhanasekar