$2-$ Configuring a Linux Based Firewall to Allow Incoming and Outgoing

Traffic

First Section

$1.$ What is NAT, and how can you check to ensure that outbound traffic is allowed?

$2.$ What machine on this network is running FTP$,$ Telnet, SMTP$,$ HTTP$,$ and POP$3?$

$3.$ What tool can be used to check for open ports on a system?

$4.$ Which ports do FTP$,$ Telnet, SMTP$,$ HTTP$,$ and POP$3$ utilize?

Second Section

$1.$ Within the Endian Community Firewall, where is redirection configured?

$2.$ What ports do SMTP and POP$3$ utilize?

$3.$ What tool can be utilized by an external user to determine if ports are open?

$4.$ Do any outbound rules need to be configured on the Endian Community Firewall?

Third Section

$1.$ What is the command to download a file in FTP$?$

$2.$ What does SMTP stand for and what port does it use?

$3.$ What is the purpose of Telnet and what port does it use?

$4.$ How do you terminate an FTP session?