ftp		21/tcp
fsp		21/udp		fspd
ssh		22/tcp				# SSH Remote Login Protocol
ssh		22/udp				# SSH Remote Login Protocol
telnet		23/tcp
smtp		25/tcp		mail
domain		53/tcp		nameserver	# name-domain server
domain		53/udp		nameserver
www		80/tcp		http		# WorldWideWeb HTTP
www		80/udp				# HyperText Transfer Protocol
pop-2		109/tcp		postoffice	# POP version 2
pop-2		109/udp
pop-3		110/tcp				# POP version 3
pop-3		110/udp
imap2		143/tcp		imap		# Interim Mail Access Proto v2
imap2		143/udp		imap
https		443/tcp				# MCom
https		443/udp				# MCom