What are the common TCP ports?

John Savill

August 30, 1999

1 Min Read
ITPro Today logo in a gray background | ITPro Today

A. Below is a list of the most common TCP ports.

Keyword

Port

Description

echo

7

Echo

systat

11

Active Users

qotd

17

Quote of the day

msp

18

Message Send Protocol

ftp-data

20

File Transfer (Data Channel)

ftp

21

File Transfer (Control)

telnet

23

Telnet

smtp

25

Simple Mail Transfer

name

42

TCP Nameserver

bootps

67

Bootstrap Protocol Servre

bootpc

68

Bootstrap Protocol Client

tftp

69

Trival File Transfer

gopher

70

Gopher

finger

79

Finger

www

80

World Wide Web

kerberos

88

Kerberos

pop3

110

TCP post office

nntp

119

USENET

nfs

2049

Network File System

About the Author

Sign up for the ITPro Today newsletter
Stay on top of the IT universe with commentary, news analysis, how-to's, and tips delivered to your inbox daily.

You May Also Like