List of TCP & UDP Ports

List of frequently seen TCP and UDP ports and what they mean. The goal of this port table is to point to further resources for more information.

Port #    Description

7    echo
9    discard
11    systat
13    daytime
15    netstat
17    qotd
18    send/rwp
19    chargen
20    ftp-data
21    ftp
22    ssh, pcAnywhere
23    Telnet
25    SMTP
27    ETRN
29    msg-icp
31    msg-auth
33    dsp
37    time
38    RAP
39    rlp
42    nameserv, WINS
43    whois, nickname
49    TACACS, Login Host Protocol
50    RMCP, re-mail-ck
53    DNS
57    MTP
59    NFILE
63    whois++
66    sql*net
67    bootps
68    bootpd/dhcp
69    Trivial File Transfer Protocol (tftp)
70    Gopher
79    finger
80    www-http
88    Kerberos, WWW
95    supdup
96    DIXIE
98    linuxconf
101    HOSTNAME
102    ISO, X.400, ITOT
105    cso
106    poppassd
109    POP2
110    POP3
111    Sun RPC Portmapper
113    identd/auth
115    sftp
117    uucp
119    NNTP
120    CFDP
123    NTP
124    SecureID
129    PWDGEN
133    statsrv
135    loc-srv/epmap
137    netbios-ns
138    netbios-dgm (UDP)
139    NetBIOS
143    IMAP
144    NewS
152    BFTP
153    SGMP
161    SNMP
175    vmnet
177    XDMCP
178    NextStep Window Server
179    BGP
180    SLmail admin
199    smux
210    Z39.50
218    MPP
220    IMAP3
259    ESRO
264    FW1_topo
311    Apple WebAdmin
350    MATIP type A
351    MATIP type B
363    RSVP tunnel
366    ODMR (On-Demand Mail Relay)
387    AURP (AppleTalk Update-Based Routing Protocol)
389    LDAP
407    Timbuktu
434    Mobile IP
443    ssl
444    snpp, Simple Network Paging Protocol
445    SMB
458    QuickTime TV/Conferencing
468    Photuris
500    ISAKMP, pluto
512    biff, rexec
513    who, rlogin
514    syslog, rsh
515    lp, lpr, line printer
517    talk
520    RIP (Routing Information Protocol)
521    RIPng
522    ULS
531    IRC
543    KLogin, AppleShare over IP
545    QuickTime
548    AFP
554    Real Time Streaming Protocol
555    phAse Zero
563    NNTP over SSL
575    VEMMI
581    Bundle Discovery Protocol
593    MS-RPC
608    SIFT/UFT
626    Apple ASIA
631    IPP (Internet Printing Protocol)
635    mountd
636    sldap
642    EMSD
648    RRP (NSI Registry Registrar Protocol)
655    tinc
660    Apple MacOS Server Admin
666    Doom
674    ACAP
687    AppleShare IP Registry
700    buddyphone
705    AgentX for SNMP
901    swat, realsecure
993    s-imap
995    s-pop
1062    Veracity
1080    SOCKS
1085    WebObjects
1227    DNS2Go
1243    SubSeven
1338    Millennium Worm
1352    Lotus Notes
1381    Apple Network License Manager
1417    Timbuktu
1418    Timbuktu
1419    Timbuktu
1433    Microsoft SQL Server
1434    Microsoft SQL Monitor
1494    Citrix ICA Protocol
1503    T.120
1521    Oracle SQL
1525    prospero
1526    prospero
1527    tlisrv
1604    Citrix ICA, MS Terminal Server
1645    RADIUS Authentication
1646    RADIUS Accounting
1680    Carbon Copy
1701    L2TP/LSF
1717    Convoy
1720    H.323/Q.931
1723    PPTP control port
1755    Windows Media .asf
1758    TFTP multicast
1812    RADIUS server
1813    RADIUS accounting
1818    ETFTP
1973    DLSw DCAP/DRAP
1985    HSRP
1999    Cisco AUTH
2001    glimpse
2049    NFS
2064    distributed.net
2065    DLSw
2066    DLSw
2106    MZAP
2140    DeepThroat
2301    Compaq Insight Management Web Agents
2327    Netscape Conference
2336    Apple UG Control
2427    MGCP gateway
2504    WLBS
2535    MADCAP
2543    sip
2592    netrek
2727    MGCP call agent
2628    DICT
2998    ISS Real Secure Console Service Port
3000    Firstclass
3031    Apple AgentVU
3128    squid
3130    ICP
3150    DeepThroat
3264    ccmail
3283    Apple NetAssitant
3288    COPS
3305    ODETTE
3306    mySQL
3389    RDP Protocol (Terminal Server)
3521    netrek
4000    icq, command-n-conquer
4321    rwhois
4333    mSQL
4827    HTCP
5004    RTP
5005    RTP
5010    Yahoo! Messenger
5060    SIP
5190    AIM
5500    securid
5501    securidprop
5423    Apple VirtualUser
5631    PCAnywhere data
5632    PCAnywhere
5800    VNC
5801    VNC
5900    VNC
5901    VNC
6000    X Windows
6112    BattleNet
6502    Netscape Conference
6667    IRC
6670    VocalTec Internet Phone, DeepThroat
6699    napster
6776    Sub7
6970    RTP
7007    MSBD, Windows Media encoder
7070    RealServer/QuickTime
7778    Unreal
7648    CU-SeeMe
7649    CU-SeeMe
8010    WinGate 2.1
8080    HTTP
8181    HTTP
8383    IMail WWW
11371    PGP 5 Keyserver
14237    Palm
14238    Palm
18888    LiquidAudio
21157    Activision
23456    EvilFTP
27960    QuakeIII
30029    AOL Admin
31337    Back Orifice
32777    rpc.walld
40193    Novell
41524    arcserve discovery
45000    Cisco NetRanger postofficed
32773    rpc.ttdbserverd
32776    rpc.spray
32779    rpc.cmsd
38036    timestep

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