This tutorial gives very good understanding on Protocols.After completing this tutorial,You will find yourself at a moderate level of expertise in Protocols port Number.

1. WELL KNOWN- PROTOCOLS
PORT NUMBERS
Submitted by:
Varinder singh walia

2. WHAT DO YOU MEAN BY
PROTOCOLS PORT NUMBERS
A port range is that the logical address of every application or
method that uses a network or the web to speak. A port range
unambiguously identifies a network-based application on a pc.
every application/program is allotted a 16-bit {integer whole
range number} port number. This range is allotted
mechanically by the OS, manually by the user or is ready as a
default for a few in style applications

3. PORT NUMBER AND ITS
DESCRIPTION
SR Port Number Description
1 1 TCP Port Service Multiplexer (TCPMUX)
2 5 Remote Job Entry (RJE)
3 7 ECHO
4 18 Message Send Protocol (MSP)
5 20 FTP -- Data
6 21 FTP -- Control
7 22
SSH Remote Login Protocol

4. SR Port Number Description
8 23 Telnet
9 25 Simple Mail Transfer Protocol
(SMTP)
10 29 MSG ICP
11 37 Time
12 42 Host Name Server
13 43 WhoIs
14 49 Login Host Protocol (Login)

5. SR Port Number Description
15 53 Domain Name System (DNS)
16 69 Trivial File Transfer Protocol (TFTP)
17 80 HTTP
18 109 POP2
19 110 POP3
20 115 Simple File Transfer Protocol (SFTP)
21 118 SQL Services

6. SR Port Number Description
22 119 Newsgroup (NNTP)
23 137 NetBIOS Name Service
24 179 Border Gateway Protocol (BGP)
25 443 HTTPS
26 546 DHCP Client
27 547 DHCP Server
28 536 SNEWS