You have installed an application on a Linux computer that receives connection-oriented Transport layer segments on port 444 and sends datagrams on port 555. Which two commands should you use to configure the firewall?
A) iptables -A INPUT -p udp -dport 444 -j ACCEPT and iptables -A OUTPUT -p icmp -dport 555 -j ACCEPT
B) iptables -A INPUT -p tcp -dport 444 -j ACCEPT and iptables -A OUTPUT -p udp -dport 555 -j ACCEPT
C) iptables -A OUTPUT -p udp -dport 444 -j ACCEPT and iptables -A INPUT -p tcp -dport 555 -j ACCEPT
D) iptables -A OUTPUT -p tcp -dport 444 -j ACCEPT and iptables -A INPUT -p tcp -dport 555 -j ACCEPT

Question

Quizplus · Accepted Answer

The application receives connection-oriented Transport layer segments on port 444, which implies the use of TCP (Transmission Control Protocol), and sends datagrams on port 555, which implies the use of UDP (User Datagram Protocol). Therefore, the correct iptables commands are to accept TCP on port 444 for incoming connections and to accept UDP on port 555 for outgoing datagrams.

You Have Installed an Application on a Linux Computer That