What does the following iptables rule accomplish: <code> iptables A INPUT s 208.77.188.166 j DROP </code>
What does the following iptables rule accomplish: <code> iptables A INPUT s 208.77.188.166 d 10.142.232.1 p tcp dport 22 j ACCEPT </code>
What does the following iptables rule accomplish: <code> iptables A INPUT d 10.142.232.1 p tcp dport 20:21 j ACCEPT </code>
What does the following iptables rule accomplish: <code> iptables A INPUT s !127.0.0.0/8 p tcp dport 111 j DROP </code>