openssh-2.9p3

init.d/sshd has:

initlog -c $SSHD $OPTIONS && success || failure

if you actually specify $OPTIONS in /etc/sysconfig/sshd, with e.g.:

OPTIONS="-6"

, sshd the init script will misinterpret it; 'service sshd start' will
complain about known '-6'.

Working command is:

initlog -c "$SSHD $OPTIONS" && success || failure

(also see: #30327 for the original suggestion)