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Common TCP/UDP Port List for Networking

Networking & Security

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Old 17-04-2009
Join Date: Jan 2009
Posts: 1,738
Common TCP/UDP Port List for Networking

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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Old 17-04-2009
Join Date: Mar 2009
Posts: 599
Re: Common TCP/UDP Port List for Networking

20 FTP data (File Transfer Protocol)
21 FTP (File Transfer Protocol)
22 SSH (Secure Shell)
23 Telnet
25 SMTP (Send Mail Transfer Protocol)
43 whois
53 DNS (Domain Name Service)
68 DHCP (Dynamic Host Control Protocol)
79 Finger
80 HTTP (HyperText Transfer Protocol)
110 POP3 (Post Office Protocol, version 3)
115 SFTP (Secure File Transfer Protocol)
119 NNTP (Network New Transfer Protocol)
123 NTP (Network Time Protocol)
137 NetBIOS-ns
138 NetBIOS-dgm
139 NetBIOS
143 IMAP (Internet Message Access Protocol)
161 SNMP (Simple Network Management Protocol)
194 IRC (Internet Relay Chat)
220 IMAP3 (Internet Message Access Protocol 3)
389 LDAP (Lightweight Directory Access Protocol)
443 SSL (Secure Socket Layer)
445 SMB (NetBIOS over TCP)
666 Doom
993 SIMAP (Secure Internet Message Access Protocol)
995 SPOP (Secure Post Office Protocol)

Ports between 1024 and 29151 are known as the Registered Ports. Basically, programs are supposed to register their use of these ports and thereby try to be careful and avoid stomping on each other. Here are some common ports and their programs.

1243 SubSeven (Trojan - security risk!)
1352 Lotus Notes
1433 Microsoft SQL Server
1494 Citrix ICA Protocol
1521 Oracle SQL
1604 Citrix ICA / Microsoft Terminal Server
2049 NFS (Network File System)
3306 mySQL
4000 ICQ
5010 Yahoo! Messenger
5190 AOL Instant Messenger
5632 PCAnywhere
5800 VNC
5900 VNC
6000 X Windowing System
6699 Napster
6776 SubSeven (Trojan - security risk!)
7070 RealServer / QuickTime
7778 Unreal
8080 HTTP
26000 Quake
27010 Half-Life
27960 Quake III
31337 BackOrifice (Trojan - security risk!)
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