Hey Guys!
This one would be quite helpful for basic troubleshooting if you face a network problem...! Here is a list of common network ports that are used by us on a daily basis...! Have Fun..!
The list is in the following way : Port number-----Type-----Uses-----Status
1-----TCP,UDP--------TCP Port Service Multiplexer-----Official
2-----TCP,UDP -----Management Utility-----Official
3-----TCP,UDP -----Compression Process-----Official
5-----TCP,UDP -----Remote Job Entry-----Official
7-----TCP,UDP -----Echo-----Official
9-----TCP,UDP -----Discard-----Official
11-----TCP,UDP -----Active Users-----Official
13-----TCP,UDP -----DAYTIME - (RFC 867)-----Official
17-----TCP,UDP -----Quote of the Day-----Official
18-----TCP,UDP -----Message Send Protocol-----Official
19-----TCP,UDP -----Character Generator-----Official
20-----TCP-----FTP - data-----Official
21-----TCP-----FTP—control (command)-----Official
22-----TCP,UDP -----Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding -----Official
23-----TCP-----Telnet protocol—unencrypted text communications-----Official
25-----TCP-----Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers-----Official
35-----TCP,UDP-----Any private printer server protocol|Official
67-----UDP -----Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host Configuration Protocol (DHCP) -----Official
68-----UDP -----Bootstrap Protocol (BOOTP) Client; also used by Dynamic Host Configuration Protocol (DHCP) -----Official
69-----UDP -----Trivial File Transfer Protocol (TFTP) -----Official
70-----TCP -----Gopher protocol ----- Official
79-----TCP -----Finger protocol----- Official
80-----TCP -----Hypertext Transfer Protocol (HTTP)-----Official
101-----TCP -----NIC host name -----Official
102-----TCP -----ISO-TSAP (Transport Service Access Point) Class 0 protocol ----- Official
104-----TCP,UDP -----ACR/NEMA Digital Imaging and Communications in Medicine ----- Official
107-----TCP -----Remote TELNET Service protocol ----- Official
109-----TCP -----Post Office Protocol 2 (POP2) ----- Official
110-----TCP |Post Office Protocol 3 (POP3) -----Official
113-----UDP -----ident—old user identification system, still used by IRC servers to identify users ----- Official
113-----TCP,UDP -----Authentication Service (auth) ----- Official
115-----TCP -----Simple File Transfer Protocol (SFTP) ----- Official
117-----TCP -----UUCP Path Service -----Official
118-----TCP,UDP-----SQL (Structured Query Language) Services -----Official
119-----TCP -----Network News Transfer Protocol (NNTP)—used for retrieving newsgroup messages ----- Official
123-----UDP -----Network Time Protocol (NTP)—used for time synchronization ----- Official
135-----TCP,UDP -----DCE endpoint resolution-----Official
137-----TCP,UDP -----NetBIOS NetBIOS Name Service -----Official
138-----TCP,UDP -----NetBIOS NetBIOS Datagram Service ----- Official
139-----TCP,UDP -----NetBIOS NetBIOS Session Service -----Official
143-----TCP,UDP -----Internet Message Access Protocol (IMAP)—used for retrieving, organizing, and synchronizing e-mail messages-----Official
152-----TCP,UDP -----Background File Transfer Program (BFTP) -----Official
153-----TCP,UDP -----SGMP, Simple Gateway Monitoring Protocol -----Official
156-----TCP,UDP -----SQL Service -----Official
161-----TCP,UDP -----Simple Network Management Protocol (SNMP) -----Official
162-----TCP,UDP -----Simple Network Management Protocol Trap (SNMPTRAP)----- Official
170-----TCP -----Print-srv, Network PostScript-----Official
Guys, If i have missed out any important port do post...! All the best!
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