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    == Definition ==

    port
    port


    Line 9: Line 11:
    - interface: (computer science) computer circuit consisting of the [[hardware]] and associated circuitry that links one device with another (especially a [[computer]] and a hard disk drive or other peripherals)
    - interface: (computer science) computer circuit consisting of the [[hardware]] and associated circuitry that links one device with another (especially a [[computer]] and a hard disk drive or other peripherals)


    == Ports in Networking ==
    The Well Known Ports are assigned by the [[IANA]] and on most systems can

    only be used by system (or root) processes or by programs executed by
    In an [[IP]] [[network]], a ''port number'' is used to identify a network service, which allows one physical computer to listen to various protocols at the same time. The possible range for port numbers is 1 to 65535. This divides up into:

    1-1024 [[well known port]]s

    1024-49151 [[registered port|registered]] and [[unregistered port|unregistered]] ports

    49152-65535 [[private port|private]] (or dynamic) ports


    === Well Known Ports ===

    The [[well known port]]s are ports between 0 and 1024, assigned by the [[IANA]] and on most systems can only be used by system (or [[root]]) processes or by programs executed by
    privileged users.
    privileged users.


    Line 16: Line 30:
    [[UDP]] (RFC 768).
    [[UDP]] (RFC 768).


    ports 17-110 (most widely known, complete list below)


    ==== 17-110 ====
    qotd 17/tcp Quote of the Day
    qotd 17/udp Quote of the Day


    ports 17-110 (most widely known, complete list below)
    msp 18/tcp Message Send Protocol
    msp 18/udp Message Send Protocol


    chargen 19/tcp Character Generator
    qotd 17/tcp Quote of the Day
    chargen 19/udp Character Generator
    qotd 17/udp Quote of the Day


    ftp-data 20/tcp File Transfer [Default Data] <-[[FTP]]
    msp 18/tcp Message Send Protocol
    ftp-data 20/udp File Transfer [Default Data] <-[[FTP]]
    msp 18/udp Message Send Protocol


    ftp 21/tcp File Transfer [Control] <-[[FTP]]
    chargen 19/tcp Character Generator
    ftp 21/udp File Transfer [Control] <-[[FTP]]
    chargen 19/udp Character Generator


    ftp-data [[20]]/tcp File Transfer [Default Data] <-[[FTP]]
    ftp-data 20/udp File Transfer [Default Data] <-[[FTP]]


    ssh 22/tcp SSH Remote Login Protocol <-[[SSH]]
    ftp [[21]]/tcp File Transfer [Control] <-[[FTP]]
    ssh 22/udp SSH Remote Login Protocol <-[[SSH]]
    ftp 21/udp File Transfer [Control] <-[[FTP]]


    telnet 23/tcp Telnet <-[[Telnet]]
    telnet 23/udp Telnet <-[[Telnet]]


    24 24/tcp any private mail system
    ssh [[22]]/tcp SSH Remote Login Protocol <-[[SSH]]
    24 24/udp any private mail system
    ssh 22/udp SSH Remote Login Protocol <-[[SSH]]


    smtp 25/tcp Simple Mail Transfer <-[[SMTP]]
    telnet [[23]]/tcp Telnet <-[[Telnet]]
    smtp 25/udp Simple Mail Transfer <-[[SMTP]]
    telnet 23/udp Telnet <-[[Telnet]]


    # 26/tcp Unassigned
    24 24/tcp any private mail system
    # 26/udp Unassigned
    24 24/udp any private mail system


    nsw-fe 27/tcp NSW User System FE
    smtp 25/tcp Simple Mail Transfer <-[[SMTP]]
    nsw-fe 27/udp NSW User System FE
    smtp 25/udp Simple Mail Transfer <-[[SMTP]]


    # 28/tcp Unassigned
    # 26/tcp Unassigned
    # 28/udp Unassigned
    # 26/udp Unassigned


    msg-icp 29/tcp MSG ICP
    nsw-fe 27/tcp NSW User System FE
    msg-icp 29/udp MSG ICP
    nsw-fe 27/udp NSW User System FE


    # 30/tcp Unassigned
    # 28/tcp Unassigned
    # 30/udp Unassigned
    # 28/udp Unassigned


    msg-auth 31/tcp MSG Authentication
    msg-icp 29/tcp MSG ICP
    msg-auth 31/udp MSG Authentication
    msg-icp 29/udp MSG ICP


    # 30/tcp Unassigned
    # 30/udp Unassigned


    # 32/tcp Unassigned
    msg-auth 31/tcp MSG Authentication
    # 32/udp Unassigned
    msg-auth 31/udp MSG Authentication


    dsp 33/tcp Display Support Protocol
    dsp 33/udp Display Support Protocol


    # 32/tcp Unassigned
    # 32/udp Unassigned


    # 34/tcp Unassigned
    dsp 33/tcp Display Support Protocol
    # 34/udp Unassigned
    dsp 33/udp Display Support Protocol


    35 35/tcp any private printer server
    # 34/tcp Unassigned
    35 35/udp any private printer server
    # 34/udp Unassigned


    # 36/tcp Unassigned
    35 35/tcp any private printer server
    # 36/udp Unassigned
    35 35/udp any private printer server


    time 37/tcp Time
    # 36/tcp Unassigned
    time 37/udp Time
    # 36/udp Unassigned


    rap 38/tcp Route Access Protocol
    time 37/tcp Time
    rap 38/udp Route Access Protocol
    time 37/udp Time


    rlp 39/tcp Resource Location Protocol
    rap 38/tcp Route Access Protocol
    rlp 39/udp Resource Location Protocol
    rap 38/udp Route Access Protocol


    rlp 39/tcp Resource Location Protocol
    rlp 39/udp Resource Location Protocol


    # 40/tcp Unassigned
    # 40/udp Unassigned


    graphics 41/tcp Graphics
    # 40/tcp Unassigned
    graphics 41/udp Graphics
    # 40/udp Unassigned


    name 42/tcp Host Name Server
    graphics 41/tcp Graphics
    name 42/udp Host Name Server
    graphics 41/udp Graphics
    nameserver 42/tcp Host Name Server
    nameserver 42/udp Host Name Server


    nicname 43/tcp Who Is
    name [[42]]/tcp Host Name Server
    nicname 43/udp Who Is
    name 42/udp Host Name Server
    nameserver 42/tcp Host Name Server
    nameserver 42/udp Host Name Server


    mpm-flags 44/tcp MPM FLAGS Protocol
    nicname 43/tcp Who Is
    mpm-flags 44/udp MPM FLAGS Protocol
    nicname 43/udp Who Is


    mpm 45/tcp Message Processing Module [recv]
    mpm-flags 44/tcp MPM FLAGS Protocol
    mpm 45/udp Message Processing Module [recv]
    mpm-flags 44/udp MPM FLAGS Protocol


    mpm-snd 46/tcp MPM [default send]
    mpm 45/tcp Message Processing Module [recv]
    mpm-snd 46/udp MPM [default send]
    mpm 45/udp Message Processing Module [recv]


    ni-ftp 47/tcp NI FTP
    mpm-snd 46/tcp MPM [default send]
    ni-ftp 47/udp NI FTP
    mpm-snd 46/udp MPM [default send]


    ni-ftp 47/tcp NI FTP
    ni-ftp 47/udp NI FTP


    auditd 48/tcp Digital Audit Daemon
    auditd 48/udp Digital Audit Daemon


    tacacs 49/tcp Login Host Protocol (TACACS)
    auditd 48/tcp Digital Audit Daemon
    tacacs 49/udp Login Host Protocol (TACACS)
    auditd 48/udp Digital Audit Daemon


    tacacs 49/tcp Login Host Protocol (TACACS)
    tacacs 49/udp Login Host Protocol (TACACS)


    re-mail-ck 50/tcp Remote Mail Checking Protocol
    re-mail-ck 50/udp Remote Mail Checking Protocol


    la-maint 51/tcp IMP Logical Address Maintenance
    re-mail-ck 50/tcp Remote Mail Checking Protocol
    la-maint 51/udp IMP Logical Address Maintenance
    re-mail-ck 50/udp Remote Mail Checking Protocol


    xns-time 52/tcp XNS Time Protocol
    la-maint 51/tcp IMP Logical Address Maintenance
    xns-time 52/udp XNS Time Protocol
    la-maint 51/udp IMP Logical Address Maintenance


    domain 53/tcp Domain Name Server
    xns-time 52/tcp XNS Time Protocol
    domain 53/udp Domain Name Server
    xns-time 52/udp XNS Time Protocol


    xns-ch 54/tcp XNS Clearinghouse
    domain 53/tcp Domain Name Server
    xns-ch 54/udp XNS Clearinghouse
    domain 53/udp Domain Name Server


    isi-gl 55/tcp ISI Graphics Language
    xns-ch 54/tcp XNS Clearinghouse
    isi-gl 55/udp ISI Graphics Language
    xns-ch 54/udp XNS Clearinghouse


    xns-auth 56/tcp XNS Authentication
    isi-gl 55/tcp ISI Graphics Language
    xns-auth 56/udp XNS Authentication
    isi-gl 55/udp ISI Graphics Language


    57/tcp any private terminal access
    xns-auth 56/tcp XNS Authentication
    57/udp any private terminal access
    xns-auth 56/udp XNS Authentication


    xns-mail 58/tcp XNS Mail
    57 57/tcp any private terminal access
    xns-mail 58/udp XNS Mail
    57 57/udp any private terminal access


    59/tcp any private file service
    xns-mail 58/tcp XNS Mail
    59/udp any private file service
    xns-mail 58/udp XNS Mail
    60/tcp Unassigned
    60/udp Unassigned


    ni-mail 61/tcp NI MAIL
    59 59/tcp any private file service
    ni-mail 61/udp NI MAIL
    59 59/udp any private file service
    60 60/tcp Unassigned
    60 60/udp Unassigned


    acas 62/tcp ACA Services
    ni-mail 61/tcp NI MAIL
    acas 62/udp ACA Services
    ni-mail 61/udp NI MAIL


    whois++ 63/tcp whois++
    acas 62/tcp ACA Services
    whois++ 63/udp whois++
    acas 62/udp ACA Services


    covia 64/tcp Communications Integrator (CI)
    whois++ 63/tcp whois++
    covia 64/udp Communications Integrator (CI)
    whois++ 63/udp whois++


    tacacs-ds 65/tcp TACACS-Database Service
    covia 64/tcp Communications Integrator (CI)
    tacacs-ds 65/udp TACACS-Database Service
    covia 64/udp Communications Integrator (CI)


    sql*net 66/tcp Oracle SQL*NET
    tacacs-ds 65/tcp TACACS-Database Service
    sql*net 66/udp Oracle SQL*NET
    tacacs-ds 65/udp TACACS-Database Service


    bootps 67/tcp Bootstrap Protocol Server
    sql*net 66/tcp Oracle SQL*NET
    bootps 67/udp Bootstrap Protocol Server
    sql*net 66/udp Oracle SQL*NET
    bootpc 68/tcp Bootstrap Protocol Client
    bootpc 68/udp Bootstrap Protocol Client


    tftp 69/tcp Trivial File Transfer
    bootps 67/tcp Bootstrap Protocol Server
    tftp 69/udp Trivial File Transfer
    bootps 67/udp Bootstrap Protocol Server
    bootpc 68/tcp Bootstrap Protocol Client
    bootpc 68/udp Bootstrap Protocol Client


    gopher 70/tcp Gopher
    tftp 69/tcp Trivial File Transfer
    gopher 70/udp Gopher
    tftp 69/udp Trivial File Transfer


    netrjs-1 71/tcp Remote Job Service
    gopher 70/tcp Gopher
    netrjs-1 71/udp Remote Job Service
    gopher 70/udp Gopher
    netrjs-2 72/tcp Remote Job Service
    netrjs-2 72/udp Remote Job Service
    netrjs-3 73/tcp Remote Job Service
    netrjs-3 73/udp Remote Job Service
    netrjs-4 74/tcp Remote Job Service
    netrjs-4 74/udp Remote Job Service


    75/tcp any private dial out service
    netrjs-1 71/tcp Remote Job Service
    75/udp any private dial out service
    netrjs-1 71/udp Remote Job Service
    netrjs-2 72/tcp Remote Job Service
    netrjs-2 72/udp Remote Job Service
    netrjs-3 73/tcp Remote Job Service
    netrjs-3 73/udp Remote Job Service
    netrjs-4 74/tcp Remote Job Service
    netrjs-4 74/udp Remote Job Service


    deos 76/tcp Distributed External Object Store
    75 75/tcp any private dial out service
    deos 76/udp Distributed External Object Store
    75 75/udp any private dial out service


    77/tcp any private RJE service
    deos 76/tcp Distributed External Object Store
    77/udp any private RJE service
    deos 76/udp Distributed External Object Store


    vettcp 78/tcp vettcp
    77 77/tcp any private RJE service
    vettcp 78/udp vettcp
    77 77/udp any private RJE service


    finger 79/tcp Finger
    vettcp 78/tcp vettcp
    finger 79/udp Finger
    vettcp 78/udp vettcp


    http 80/tcp World Wide Web HTTP <-[[WWW]]
    finger 79/tcp Finger
    http 80/udp World Wide Web HTTP <-[[WWW]]
    finger 79/udp Finger
    www 80/tcp World Wide Web HTTP <-[[WWW]]
    www 80/udp World Wide Web HTTP <-[[WWW]]
    www-http 80/tcp World Wide Web HTTP <-[[WWW]]
    www-http 80/udp World Wide Web HTTP <-[[WWW]]


    hosts2-ns 81/tcp HOSTS2 Name Server
    http [[80]]/tcp World Wide Web HTTP <-[[HTTP]]
    hosts2-ns 81/udp HOSTS2 Name Server
    http 80/udp World Wide Web HTTP <-[[HTTP]]
    www 80/tcp World Wide Web HTTP <-[[HTTP]]
    www 80/udp World Wide Web HTTP <-[[HTTP]]
    www-http 80/tcp World Wide Web HTTP <-[[HTTP]]
    www-http 80/udp World Wide Web HTTP <-[[HTTP]]


    xfer 82/tcp XFER Utility
    hosts2-ns 81/tcp HOSTS2 Name Server
    xfer 82/udp XFER Utility
    hosts2-ns 81/udp HOSTS2 Name Server


    mit-ml-dev 83/tcp MIT ML Device
    xfer 82/tcp XFER Utility
    mit-ml-dev 83/udp MIT ML Device
    xfer 82/udp XFER Utility


    ctf 84/tcp Common Trace Facility
    mit-ml-dev 83/tcp MIT ML Device
    ctf 84/udp Common Trace Facility
    mit-ml-dev 83/udp MIT ML Device


    mit-ml-dev 85/tcp MIT ML Device
    ctf 84/tcp Common Trace Facility
    mit-ml-dev 85/udp MIT ML Device
    ctf 84/udp Common Trace Facility


    mfcobol 86/tcp Micro Focus Cobol
    mit-ml-dev 85/tcp MIT ML Device
    mfcobol 86/udp Micro Focus Cobol
    mit-ml-dev 85/udp MIT ML Device


    87/tcp any private terminal link
    mfcobol 86/tcp Micro Focus Cobol
    87/udp any private terminal link
    mfcobol 86/udp Micro Focus Cobol


    kerberos 88/tcp Kerberos
    87 87/tcp any private terminal link
    kerberos 88/udp Kerberos
    87 87/udp any private terminal link


    su-mit-tg 89/tcp SU/MIT Telnet Gateway
    kerberos 88/tcp Kerberos
    su-mit-tg 89/udp SU/MIT Telnet Gateway
    kerberos 88/udp Kerberos


    su-mit-tg 89/tcp SU/MIT Telnet Gateway
    ########### PORT 90 also being used unofficially by Pointcast #########
    su-mit-tg 89/udp SU/MIT Telnet Gateway


    ########### PORT 90 also being used unofficially by Pointcast #########
    dnsix 90/tcp DNSIX Securit Attribute Token Map
    dnsix 90/udp DNSIX Securit Attribute Token Map


    mit-dov 91/tcp MIT Dover Spooler
    dnsix 90/tcp DNSIX Securit Attribute Token Map
    mit-dov 91/udp MIT Dover Spooler
    dnsix 90/udp DNSIX Securit Attribute Token Map


    npp 92/tcp Network Printing Protocol
    mit-dov 91/tcp MIT Dover Spooler
    npp 92/udp Network Printing Protocol
    mit-dov 91/udp MIT Dover Spooler


    dcp 93/tcp Device Control Protocol
    npp 92/tcp Network Printing Protocol
    dcp 93/udp Device Control Protocol
    npp 92/udp Network Printing Protocol


    objcall 94/tcp Tivoli Object Dispatcher
    dcp 93/tcp Device Control Protocol
    objcall 94/udp Tivoli Object Dispatcher
    dcp 93/udp Device Control Protocol


    supdup 95/tcp SUPDUP
    objcall 94/tcp Tivoli Object Dispatcher
    supdup 95/udp SUPDUP
    objcall 94/udp Tivoli Object Dispatcher


    dixie 96/tcp DIXIE Protocol Specification
    supdup 95/tcp SUPDUP
    dixie 96/udp DIXIE Protocol Specification
    supdup 95/udp SUPDUP
    dixie 96/tcp DIXIE Protocol Specification
    dixie 96/udp DIXIE Protocol Specification


    swift-rvf 97/tcp Swift Remote Virtural File Protocol
    swift-rvf 97/tcp Swift Remote Virtural File Protocol
    swift-rvf 97/udp Swift Remote Virtural File Protocol
    swift-rvf 97/udp Swift Remote Virtural File Protocol




    tacnews 98/tcp TAC News
    tacnews 98/tcp TAC News
    tacnews 98/udp TAC News
    tacnews 98/udp TAC News


    metagram 99/tcp Metagram Relay
    metagram 99/tcp Metagram Relay
    metagram 99/udp Metagram Relay
    metagram 99/udp Metagram Relay


    newacct 100/tcp [unauthorized use]
    newacct 100/tcp [unauthorized use]


    hostname 101/tcp NIC Host Name Server
    hostname 101/tcp NIC Host Name Server
    hostname 101/udp NIC Host Name Server
    hostname 101/udp NIC Host Name Server


    iso-tsap 102/tcp ISO-TSAP Class 0
    iso-tsap 102/tcp ISO-TSAP Class 0
    iso-tsap 102/udp ISO-TSAP Class 0
    iso-tsap 102/udp ISO-TSAP Class 0


    gppitnp 103/tcp Genesis Point-to-Point Trans Net
    gppitnp 103/tcp Genesis Point-to-Point Trans Net
    gppitnp 103/udp Genesis Point-to-Point Trans Net
    gppitnp 103/udp Genesis Point-to-Point Trans Net


    acr-nema 104/tcp ACR-NEMA Digital Imag. & Comm. 300
    acr-nema 104/tcp ACR-NEMA Digital Imag. & Comm. 300
    acr-nema 104/udp ACR-NEMA Digital Imag. & Comm. 300
    acr-nema 104/udp ACR-NEMA Digital Imag. & Comm. 300


    cso 105/tcp CCSO name server protocol
    cso 105/tcp CCSO name server protocol
    cso 105/udp CCSO name server protocol
    cso 105/udp CCSO name server protocol
    csnet-ns 105/tcp Mailbox Name Nameserver
    csnet-ns 105/tcp Mailbox Name Nameserver
    csnet-ns 105/udp Mailbox Name Nameserver
    csnet-ns 105/udp Mailbox Name Nameserver

    3com-tsmux 106/tcp 3COM-TSMUX
    3com-tsmux 106/udp 3COM-TSMUX


    ########## 106 Unauthorized use by insecure poppassd protocol
    3com-tsmux 106/tcp 3COM-TSMUX
    3com-tsmux 106/udp 3COM-TSMUX


    rtelnet 107/tcp Remote Telnet Service
    ########## 106 Unauthorized use by insecure poppassd protocol
    rtelnet 107/udp Remote Telnet Service


    rtelnet 107/tcp Remote Telnet Service
    snagas 108/tcp SNA Gateway Access Server
    snagas 108/udp SNA Gateway Access Server


    rtelnet 107/udp Remote Telnet Service
    pop2 109/tcp Post Office Protocol - Version 2
    pop2 109/udp Post Office Protocol - Version 2


    snagas 108/tcp SNA Gateway Access Server
    pop3 [[110]]/tcp Post Office Protocol - Version 3 <-[[POP3]]
    snagas 108/udp SNA Gateway Access Server
    pop3 110/udp Post Office Protocol - Version 3 <-[[POP3]]


    === Common but unregistered ports ===


    The [[unregistered port]]s are ports above 1024 (up to 65535) that may be on common use but are not registered with the [[IANA]].
    pop2 109/tcp Post Office Protocol - Version 2
    pop2 109/udp Post Office Protocol - Version 2


    === All ports ===
    pop3 110/tcp Post Office Protocol - Version 3 <-[[POP3]]
    pop3 110/udp Post Office Protocol - Version 3 <-[[POP3]]


    see [[:Category:Ports]] and help it grow.


    ==== External Links ====
    Complete (long!) list here:
    Complete (long!) list here:


    * http://www.iana.org/assignments/port-numbers
    * http://www.iana.org/assignments/port-numbers


    [[Category:Definitions]]
    [[Category:Computer]]
    [[Category:Computer]]
    [[Category:Networking]]
    [[Category:Networking]]
    [[Category:Ports]]

    Latest revision as of 18:15, 25 April 2006

    Definition[edit]

    port

    - a place (seaport or airport) where people and merchandise can enter or leave a country

    - sweet dark-red dessert wine originally from Portugal

    - an opening (in a wall or ship or armored vehicle) for firing through

    - interface: (computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)

    Ports in Networking[edit]

    In an IP network, a port number is used to identify a network service, which allows one physical computer to listen to various protocols at the same time. The possible range for port numbers is 1 to 65535. This divides up into:

    1-1024 well known ports
    
    1024-49151 registered and unregistered ports
    
    49152-65535 private (or dynamic) ports
    


    Well Known Ports[edit]

    The well known ports are ports between 0 and 1024, assigned by the IANA and on most systems can only be used by system (or root) processes or by programs executed by privileged users.

    To the extent possible, these same port assignments are used with the UDP (RFC 768).


    17-110[edit]

    ports 17-110 (most widely known, complete list below)

    qotd             17/tcp    Quote of the Day
    qotd             17/udp    Quote of the Day
    
    msp              18/tcp    Message Send Protocol
    msp              18/udp    Message Send Protocol
    
    chargen          19/tcp    Character Generator
    chargen          19/udp    Character Generator
    
    ftp-data         20/tcp    File Transfer [Default Data] <-FTP
    ftp-data         20/udp    File Transfer [Default Data] <-FTP
    
    ftp              21/tcp    File Transfer [Control] <-FTP
    ftp              21/udp    File Transfer [Control] <-FTP
    


    ssh              22/tcp    SSH Remote Login Protocol <-SSH
    ssh              22/udp    SSH Remote Login Protocol <-SSH
    
    telnet           23/tcp    Telnet <-Telnet
    telnet           23/udp    Telnet <-Telnet
    
    24               24/tcp    any private mail system
    24               24/udp    any private mail system
    
    smtp             25/tcp    Simple Mail Transfer <-SMTP
    smtp             25/udp    Simple Mail Transfer <-SMTP
    
    #                26/tcp    Unassigned
    #                26/udp    Unassigned
    
    nsw-fe           27/tcp    NSW User System FE
    nsw-fe           27/udp    NSW User System FE
    
    #                28/tcp    Unassigned
    #                28/udp    Unassigned
    
    msg-icp          29/tcp    MSG ICP
    msg-icp          29/udp    MSG ICP
    
    #                30/tcp    Unassigned
    #                30/udp    Unassigned
    
    msg-auth         31/tcp    MSG Authentication
    msg-auth         31/udp    MSG Authentication
    


    #                32/tcp    Unassigned
    #                32/udp    Unassigned
    
    dsp              33/tcp    Display Support Protocol
    dsp              33/udp    Display Support Protocol
    
    
    #                34/tcp    Unassigned
    #                34/udp    Unassigned
    
    35               35/tcp    any private printer server
    35               35/udp    any private printer server
    
    #                36/tcp    Unassigned
    #                36/udp    Unassigned
    
    time             37/tcp    Time
    time             37/udp    Time
    
    rap              38/tcp    Route Access Protocol
    rap              38/udp    Route Access Protocol
    
    rlp              39/tcp    Resource Location Protocol
    rlp              39/udp    Resource Location Protocol
    


    #                40/tcp    Unassigned
    #                40/udp    Unassigned
    
    graphics         41/tcp    Graphics
    graphics         41/udp    Graphics
    
    name             42/tcp    Host Name Server
    name             42/udp    Host Name Server
    nameserver       42/tcp    Host Name Server
    nameserver       42/udp    Host Name Server
    
    nicname          43/tcp    Who Is
    nicname          43/udp    Who Is
    
    mpm-flags        44/tcp    MPM FLAGS Protocol
    mpm-flags        44/udp    MPM FLAGS Protocol
    
    mpm              45/tcp    Message Processing Module [recv]
    mpm              45/udp    Message Processing Module [recv]
    
    mpm-snd          46/tcp    MPM [default send]
    mpm-snd          46/udp    MPM [default send]
    
    ni-ftp           47/tcp    NI FTP
    ni-ftp           47/udp    NI FTP
    


    auditd           48/tcp    Digital Audit Daemon
    auditd           48/udp    Digital Audit Daemon
    
    tacacs           49/tcp    Login Host Protocol (TACACS)
    tacacs           49/udp    Login Host Protocol (TACACS)
    


    re-mail-ck       50/tcp    Remote Mail Checking Protocol
    re-mail-ck       50/udp    Remote Mail Checking Protocol
    
    la-maint         51/tcp    IMP Logical Address Maintenance
    la-maint         51/udp    IMP Logical Address Maintenance
    
    xns-time         52/tcp    XNS Time Protocol
    xns-time         52/udp    XNS Time Protocol
    
    domain           53/tcp    Domain Name Server
    domain           53/udp    Domain Name Server
    
    xns-ch           54/tcp    XNS Clearinghouse
    xns-ch           54/udp    XNS Clearinghouse
    
    isi-gl           55/tcp    ISI Graphics Language
    isi-gl           55/udp    ISI Graphics Language
    
    xns-auth         56/tcp    XNS Authentication
    xns-auth         56/udp    XNS Authentication
    
    57               57/tcp    any private terminal access
    57               57/udp    any private terminal access
    
    xns-mail         58/tcp    XNS Mail
    xns-mail         58/udp    XNS Mail
    
    59               59/tcp    any private file service
    59               59/udp    any private file service
    
    60               60/tcp    Unassigned
    60               60/udp    Unassigned
    
    ni-mail          61/tcp    NI MAIL
    ni-mail          61/udp    NI MAIL
    
    acas             62/tcp    ACA Services
    acas             62/udp    ACA Services
    
    whois++          63/tcp    whois++
    whois++          63/udp    whois++
    
    covia            64/tcp    Communications Integrator (CI)
    covia            64/udp    Communications Integrator (CI)
    
    tacacs-ds        65/tcp    TACACS-Database Service
    tacacs-ds        65/udp    TACACS-Database Service
    
    sql*net          66/tcp    Oracle SQL*NET
    sql*net          66/udp    Oracle SQL*NET
    
    bootps           67/tcp    Bootstrap Protocol Server
    bootps           67/udp    Bootstrap Protocol Server
    bootpc           68/tcp    Bootstrap Protocol Client
    bootpc           68/udp    Bootstrap Protocol Client
    
    tftp             69/tcp    Trivial File Transfer
    tftp             69/udp    Trivial File Transfer
    
    gopher           70/tcp    Gopher
    gopher           70/udp    Gopher
    
    netrjs-1         71/tcp    Remote Job Service
    netrjs-1         71/udp    Remote Job Service
    netrjs-2         72/tcp    Remote Job Service
    netrjs-2         72/udp    Remote Job Service
    netrjs-3         73/tcp    Remote Job Service
    netrjs-3         73/udp    Remote Job Service
    netrjs-4         74/tcp    Remote Job Service
    netrjs-4         74/udp    Remote Job Service
    
    75               75/tcp    any private dial out service
    75               75/udp    any private dial out service
    
    deos             76/tcp    Distributed External Object Store
    deos             76/udp    Distributed External Object Store
    
    77               77/tcp    any private RJE service
    77               77/udp    any private RJE service
    
    vettcp           78/tcp    vettcp
    vettcp           78/udp    vettcp
    
    finger           79/tcp    Finger
    finger           79/udp    Finger
    
    http             80/tcp    World Wide Web HTTP <-HTTP
    http             80/udp    World Wide Web HTTP <-HTTP
    www              80/tcp    World Wide Web HTTP <-HTTP
    www              80/udp    World Wide Web HTTP <-HTTP
    www-http         80/tcp    World Wide Web HTTP <-HTTP
    www-http         80/udp    World Wide Web HTTP <-HTTP
    
    hosts2-ns        81/tcp    HOSTS2 Name Server
    hosts2-ns        81/udp    HOSTS2 Name Server
    
    xfer             82/tcp    XFER Utility
    xfer             82/udp    XFER Utility
    
    mit-ml-dev       83/tcp    MIT ML Device
    mit-ml-dev       83/udp    MIT ML Device
    
    ctf              84/tcp    Common Trace Facility
    ctf              84/udp    Common Trace Facility
    
    mit-ml-dev       85/tcp    MIT ML Device
    mit-ml-dev       85/udp    MIT ML Device
    
    mfcobol          86/tcp    Micro Focus Cobol
    mfcobol          86/udp    Micro Focus Cobol
    
    87               87/tcp    any private terminal link
    87               87/udp    any private terminal link
    
    kerberos         88/tcp    Kerberos
    kerberos         88/udp    Kerberos
    
    su-mit-tg        89/tcp    SU/MIT Telnet Gateway
    su-mit-tg        89/udp    SU/MIT Telnet Gateway
    
    ########### PORT 90 also being used unofficially by Pointcast #########
    
    dnsix            90/tcp    DNSIX Securit Attribute Token Map
    dnsix            90/udp    DNSIX Securit Attribute Token Map
    
    mit-dov          91/tcp    MIT Dover Spooler
    mit-dov          91/udp    MIT Dover Spooler
    
    npp              92/tcp    Network Printing Protocol
    npp              92/udp    Network Printing Protocol
    
    dcp              93/tcp    Device Control Protocol
    dcp              93/udp    Device Control Protocol
    
    objcall          94/tcp    Tivoli Object Dispatcher
    objcall          94/udp    Tivoli Object Dispatcher
    
    supdup           95/tcp    SUPDUP
    supdup           95/udp    SUPDUP
    
    dixie            96/tcp    DIXIE Protocol Specification
    dixie            96/udp    DIXIE Protocol Specification
    
    swift-rvf        97/tcp    Swift Remote Virtural File Protocol
    swift-rvf        97/udp    Swift Remote Virtural File Protocol
    


    tacnews          98/tcp    TAC News
    tacnews          98/udp    TAC News
    
    metagram         99/tcp    Metagram Relay
    metagram         99/udp    Metagram Relay
    
    newacct         100/tcp    [unauthorized use] 
    
    hostname        101/tcp    NIC Host Name Server
    hostname        101/udp    NIC Host Name Server
    
    iso-tsap        102/tcp    ISO-TSAP Class 0
    iso-tsap        102/udp    ISO-TSAP Class 0
    
    gppitnp         103/tcp    Genesis Point-to-Point Trans Net
    gppitnp         103/udp    Genesis Point-to-Point Trans Net
    
    acr-nema        104/tcp    ACR-NEMA Digital Imag. & Comm. 300
    acr-nema        104/udp    ACR-NEMA Digital Imag. & Comm. 300
    
    cso             105/tcp    CCSO name server protocol
    cso             105/udp    CCSO name server protocol
        
    csnet-ns        105/tcp    Mailbox Name Nameserver
    csnet-ns        105/udp    Mailbox Name Nameserver
    
    3com-tsmux      106/tcp    3COM-TSMUX
    3com-tsmux      106/udp    3COM-TSMUX
    
    ##########      106        Unauthorized use by insecure poppassd protocol
    
    rtelnet         107/tcp    Remote Telnet Service 
    rtelnet         107/udp    Remote Telnet Service
    
    snagas          108/tcp    SNA Gateway Access Server
    snagas          108/udp    SNA Gateway Access Server
    
    pop2            109/tcp    Post Office Protocol - Version 2
    pop2            109/udp    Post Office Protocol - Version 2
    
    pop3            110/tcp    Post Office Protocol - Version 3 <-POP3
    pop3            110/udp    Post Office Protocol - Version 3 <-POP3
    

    Common but unregistered ports[edit]

    The unregistered ports are ports above 1024 (up to 65535) that may be on common use but are not registered with the IANA.

    All ports[edit]

    see Category:Ports and help it grow.

    External Links[edit]

    Complete (long!) list here:

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