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Thread: Common TCP/UDP Port List for Networking

  1. #1
    Join Date
    Jan 2009

    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!

  2. #2
    Join Date
    Mar 2009

    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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