contrib/sshdfilter

REQUIREMENTS

PRE-INSTALL

	* This port depends on having netfilter enabled in the kernel

POST-INSTALL

	* Add the SSHD chain to your firewall setup:
	iptables -N SSHD

	* Add a jump to SSHD rule:
	iptables -A INPUT -p tcp -m tcp --dport 22 -j SSHD

	* Store your new iptables rules somewhere persistent

	* To start sshd with filtering, use /etc/rc.d/sshdfilter instead of
	  /etc/rc.d/sshd

PRECAUTION