1.5 Identify common TCP and UDP default ports.

1.5 Identify common TCP and UDP default ports.
 * SMTP – 25
 * HTTP – 80
 * HTTPS – 443
 * FTP – 20, 21
 * TELNET – 23
 * IMAP – 143
 * RDP – 3389
 * SSH – 22
 * DNS – 53
 * DHCP – 67, 68