NETWORK + I Assignment Module 2

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NETWORK + I
Module 2 Assignment

List the service or protocol name for each of the Well Known TCP/UDP Port Numbers listed below. Does the service use TCP, UDP or both?

Port #Service or Protocol Name
TCP, UDP or Both?
20
FTP data transfer
TCP
21
FTP control (command)
TCP
23
Telnet
TCP
25
SMTP
TCP
53
DNS
TCP/UDP
80
HTTP
TCP/UDP
110
POP3
TCP
111
ONC RPC
UDP
115
SFTP
TCP
119
NTP
TCP
137
NetBIOS Name Service
UDP
143
IMAP
TCP
161
SNMP
UDP
311
Mac OS X Server Admin
TCP
389
LDAP
TCP

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