Commonly Used Networking PORTS
| Keyword | Number | Protocol(s) | Description |
| tcpmux | 1 | TCP, UDP | TCP Port Service Multiplexer |
| echo | 7 | TCP, UDP | Echo |
| discard | 9 | TCP, UDP | Discard |
| systat | 11 | TCP | Active Users |
| daytime | 13 | TCP, UDP | Daytime (RFC 867) |
| qotd | 17 | TCP | Quote of the Day |
| msp | 18 | TCP, UDP | message send protocol |
| chargen | 19 | TCP, UDP | Character Generator |
| ftp-data | 20 | TCP, UDP | File transfer default data |
| ftp | 21 | TCP, UDP | File transfer control |
| ssh | 22 | TCP, UDP | Remote login protocol |
| telnet | 23 | TCP, UDP | Telnet |
| smtp | 25 | TCP, UDP | Simple Mail Transfer |
| time | 37 | TCP, UDP | Time |
| rlp | 39 | TCP, UDP | Resource location protocol |
| nameserver | 42 | TCP, UDP | Host name server |
| whois | 43 | TCP, UDP | Who is |
| re-mail-ck | 50 | TCP, UDP | Remote mail checking protocol |
| domain | 53 | TCP, UDP | Domain name server |
| bootps | 67 | TCP, UDP | Bootstrap protocol server |
| bootpc | 68 | TCP, UDP | Bootstrap protocol client |
| tftp | 69 | TCP, UDP | Trivial file transfer protocol |
| gopher | 70 | TCP, UDP | Gopher |
| finger | 79 | TCP, UDP | Finger |
| www | 80 | TCP, UDP | World wide web or HTTP |
| kerberos | 88 | TCP, UDP | Kerberos |
| supdup | 95 | TCP, UDP | SUPDUP |
| hostname | 101 | TCP, UDP | NIC Host Name Server |
| iso-tsap | 102 | TCP, UDP | ISO-TSAP Class 0 |
| csnet-ns | 105 | TCP, UDP | CCSO name server protocol |
| rtelnet | 107 | TCP, UDP | Remote Telnet Service |
| pop-2 | 109 | TCP, UDP | Post Office Protocol - Version 2 |
| pop-3 | 110 | TCP, UDP | Post Office Protocol - Version 3 |
| sunrps | 111 | TCP, UDP | SUN Remote Procedure Call |
| auth | 113 | TCP, UDP | Authentication Service |
| sftp | 115 | TCP, UDP | Simple File Transfer Protocol |
| uucp-path | 117 | TCP, UDP | UUCP Path Service |
| nntp | 119 | TCP, UDP | Network News Transfer Protocol |
| nyp | 123 | TCP, UDP | Network Time Protocol |
| netbios-ne | 137 | TCP, UDP | NETBIOS Name Service |
| netbios-dgram | 138 | TCP, UDP | NETBIOS Datagram Service |
| netbios-ssn | 139 | TCP, UDP | NETBIOS Session Service |
| imap | 143 | TCP, UDP | Internet Message Access Protocol |
| snmp | 161 | TCP, UDP | SNMP |
| snmp-trap | 162 | TCP, UDP | SNMPTRAP |
| cmip-man | 163 | TCP, UDP | CMIP/TCP Manager |
| cmip-agent | 164 | TCP, UDP | CMIP/TCP Agent |
| xdmcp | 177 | TCP, UDP | X Display Manager Control Protocol |
| nextstep | 178 | TCP, UDP | NextStep Window Server |
| bgp | 179 | TCP, UDP | Border Gateway Protocol |
| prospero | 191 | TCP, UDP | Prospero Directory Service |
| irc | 194 | TCP, UDP | Internet Relay Chat Protocol |
| smux | 199 | TCP, UDP | SMUX |
at-rtmp 201/tcp # AppleTalk routing at-rtmp 201/udp at-nbp 202/tcp # AppleTalk name binding at-nbp 202/udp at-echo 204/tcp # AppleTalk echo at-echo 204/udp at-zis 206/tcp # AppleTalk zone information at-zis 206/udp qmtp 209/tcp # The Quick Mail Transfer Protocol qmtp 209/udp # The Quick Mail Transfer Protocol z3950 210/tcp wais # NISO Z39.50 database z3950 210/udp wais ipx 213/tcp # IPX ipx 213/udp imap3 220/tcp # Interactive Mail Access imap3 220/udp # Protocol v3 rpc2portmap 369/tcp rpc2portmap 369/udp # Coda portmapper codaauth2 370/tcp codaauth2 370/udp # Coda authentication server ulistserv 372/tcp # UNIX Listserv ulistserv 372/udp https 443/tcp # MCom https 443/udp # MCom snpp 444/tcp # Simple Network Paging Protocol snpp 444/udp # Simple Network Paging Protocol saft 487/tcp # Simple Asynchronous File Transfer saft 487/udp # Simple Asynchronous File Transfer npmp-local 610/tcp dqs313_qmaster # npmp-local / DQS npmp-local 610/udp dqs313_qmaster # npmp-local / DQS npmp-gui 611/tcp dqs313_execd # npmp-gui / DQS npmp-gui 611/udp dqs313_execd # npmp-gui / DQS hmmp-ind 612/tcp dqs313_intercell# HMMP Indication / DQS hmmp-ind 612/udp dqs313_intercell# HMMP Indication / DQS # # UNIX specific services # exec 512/tcp biff 512/udp comsat login 513/tcp who 513/udp whod shell 514/tcp cmd # no passwords used syslog 514/udp printer 515/tcp spooler # line printer spooler talk 517/udp ntalk 518/udp route 520/udp router routed # RIP timed 525/udp timeserver tempo 526/tcp newdate courier 530/tcp rpc conference 531/tcp chat netnews 532/tcp readnews netwall 533/udp # -for emergency broadcasts uucp 540/tcp uucpd # uucp daemon afpovertcp 548/tcp # AFP over TCP afpovertcp 548/udp # AFP over TCP remotefs 556/tcp rfs_server rfs # Brunhoff remote filesystem klogin 543/tcp # Kerberized `rlogin' (v5) kshell 544/tcp krcmd # Kerberized `rsh' (v5) kerberos-adm 749/tcp # Kerberos `kadmin' (v5) # webster 765/tcp # Network dictionary webster 765/udp # # From ``Assigned Numbers'': # #> The Registered Ports are not controlled by the IANA and on most systems #> can be used by ordinary user processes or programs executed by ordinary #> users. # #> Ports are used in the TCP [45,106] to name the ends of logical #> connections which carry long term conversations. For the purpose of #> providing services to unknown callers, a service contact port is #> defined. This list specifies the port used by the server process as its #> contact port. While the IANA can not control uses of these ports it #> does register or list uses of these ports as a convienence to the #> community. # ingreslock 1524/tcp ingreslock 1524/udp prospero-np 1525/tcp # Prospero non-privileged prospero-np 1525/udp datametrics 1645/tcp old-radius # datametrics / old radius entry datametrics 1645/udp old-radius # datametrics / old radius entry sa-msg-port 1646/tcp old-radacct # sa-msg-port / old radacct entry sa-msg-port 1646/udp old-radacct # sa-msg-port / old radacct entry radius 1812/tcp # Radius radius 1812/udp # Radius radacct 1813/tcp # Radius Accounting radacct 1813/udp # Radius Accounting cvspserver 2401/tcp # CVS client/server operations cvspserver 2401/udp # CVS client/server operations venus 2430/tcp # codacon port venus 2430/udp # Venus callback/wbc interface venus-se 2431/tcp # tcp side effects venus-se 2431/udp # udp sftp side effect codasrv 2432/tcp # not used codasrv 2432/udp # server port codasrv-se 2433/tcp # tcp side effects codasrv-se 2433/udp # udp sftp side effect mysql 3306/tcp # MySQL mysql 3306/udp # MySQL rfe 5002/tcp # Radio Free Ethernet rfe 5002/udp # Actually uses UDP only cfengine 5308/tcp # CFengine cfengine 5308/udp # CFengine bbs 7000/tcp # BBS service # # # Kerberos (Project Athena/MIT) services # Note that these are for Kerberos v4, and are unofficial. Sites running # v4 should uncomment these and comment out the v5 entries above. # kerberos4 750/udp kerberos-iv kdc # Kerberos (server) udp kerberos4 750/tcp kerberos-iv kdc # Kerberos (server) tcp kerberos_master 751/udp # Kerberos authentication kerberos_master 751/tcp # Kerberos authentication passwd_server 752/udp # Kerberos passwd server krb_prop 754/tcp # Kerberos slave propagation krbupdate 760/tcp kreg # Kerberos registration kpasswd 761/tcp kpwd # Kerberos "passwd" kpop 1109/tcp # Pop with Kerberos knetd 2053/tcp # Kerberos de-multiplexor zephyr-srv 2102/udp # Zephyr server zephyr-clt 2103/udp # Zephyr serv-hm connection zephyr-hm 2104/udp # Zephyr hostmanager eklogin 2105/tcp # Kerberos encrypted rlogin # # Unofficial but necessary (for NetBSD) services # supfilesrv 871/tcp # SUP server supfiledbg 1127/tcp # SUP debugging # # Datagram Delivery Protocol services # rtmp 1/ddp # Routing Table Maintenance Protocol nbp 2/ddp # Name Binding Protocol echo 4/ddp # AppleTalk Echo Protocol zip 6/ddp # Zone Information Protocol # # Services added for the Debian GNU/Linux distribution poppassd 106/tcp # Eudora poppassd 106/udp # Eudora mailq 174/tcp # Mailer transport queue for Zmailer mailq 174/tcp # Mailer transport queue for Zmailer ssmtp 465/tcp # SMTP over SSL gdomap 538/tcp # GNUstep distributed objects gdomap 538/udp # GNUstep distributed objects snews 563/tcp # NNTP over SSL ssl-ldap 636/tcp # LDAP over SSL omirr 808/tcp omirrd # online mirror omirr 808/udp omirrd # online mirror rsync 873/tcp # rsync rsync 873/udp # rsync simap 993/tcp # IMAP over SSL spop3 995/tcp # POP-3 over SSL socks 1080/tcp # socks proxy server socks 1080/udp # socks proxy server rmtcfg 1236/tcp # Gracilis Packeten remote config server xtel 1313/tcp # french minitel support 1529/tcp # GNATS cfinger 2003/tcp # GNU Finger ninstall 2150/tcp # ninstall service ninstall 2150/udp # ninstall service afbackup 2988/tcp # Afbackup system afbackup 2988/udp # Afbackup system icp 3130/tcp # Internet Cache Protocol (Squid) icp 3130/udp # Internet Cache Protocol (Squid) postgres 5432/tcp # POSTGRES postgres 5432/udp # POSTGRES fax 4557/tcp # FAX transmission service (old) hylafax 4559/tcp # HylaFAX client-server protocol (new) noclog 5354/tcp # noclogd with TCP (nocol) noclog 5354/udp # noclogd with UDP (nocol) hostmon 5355/tcp # hostmon uses TCP (nocol) hostmon 5355/udp # hostmon uses TCP (nocol) ircd 6667/tcp # Internet Relay Chat ircd 6667/udp # Internet Relay Chat webcache 8080/tcp # WWW caching service webcache 8080/udp # WWW caching service tproxy 8081/tcp # Transparent Proxy tproxy 8081/udp # Transparent Proxy mandelspawn 9359/udp mandelbrot # network mandelbrot amanda 10080/udp # amanda backup services kamanda 10081/tcp # amanda backup services (Kerberos) kamanda 10081/udp # amanda backup services (Kerberos) amandaidx 10082/tcp # amanda backup services amidxtape 10083/tcp # amanda backup services isdnlog 20011/tcp # isdn logging system isdnlog 20011/udp # isdn logging system vboxd 20012/tcp # voice box system vboxd 20012/udp # voice box system binkp 24554/tcp # Binkley binkp 24554/udp # Binkley asp 27374/tcp # Address Search Protocol asp 27374/udp # Address Search Protocol tfido 60177/tcp # Ifmail tfido 60177/udp # Ifmail fido 60179/tcp # Ifmail fido 60179/udp # Ifmail # Local services linuxconf 98/tcp swat 901/tcp # Add swat service used via inetd
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