TCP & UDP Port Details

TCP Ports

Port NumberNameDescription
7echoEcho
9discardDiscard
13daytimeDaytime
19chargenCharacter generator
20ftp-dataFTP data channel
21ftpFile Transfer Protocol control channel
22sshSecure Shell
23telnetTelnet
25smtpSimple Mail Transport Protocol
37timeTime
43whoisNickname
49tacacsTAC access control system server connection
53domainDomain Name System zone transfers
70gopherGopher
79fingerFinger
80www/httpWorld Wide Web (HTTP)
101hostnameNIC host name server
109pop2Post Office Protocol v2
110pop3Post Office Protocol v3
111sunrpcSun remote-procedure call
113identIdent protocol
119nntpNetwork News Transport Protocol
179bgpBorder Gateway Protocol
194ircInternet Relay Chat
443httpsSecure http
496pim-auto-rpPIM Auto Rendezvous Point
512execRemote commands/shell (rsh)
513loginRemote login (rlogin)
514cmdRemote commands (rcmd)
514syslogLogging to a syslog server
515lpdRemote printing
517talkTalk
540uucpUNIX-to-UNIX copy program
543kloginKerberos login
544kshellKerberos shell
1090ucmCisco UCM
1500ucm databaseCisco UCM Database
2000sccpSignalling Connection Control Part
3000RoRRuby on Rails
5060sip Session Initiation Protocol
5432postgressPostgress
5900vncVNC Remote Access
8080tomcatTomcat, Unifi Inform
8443tomcat/open ssl/httpsTomcat/Open SSL/HTTPS
8445cisco finesseCisco Finesse
9080debugDebugging
12015uccxCisco UCCX

UDP Ports

Port NumberNameDescription
7echoEcho
9discardDiscard
37timeTime
42nameserverIEN116 name service, which is now obsolete
49tacacsTAC Access Control System
53domainDNS queries and replies
67bootpsBootP server
68bootpcBootP client
69tftpTrivial File Transfer Protocol
111sunrpcSun remote-procedure calls
123ntpNetwork Time Protocol
137netbios-nmNetBIOS name service
138netbios-dgmNetBIOS datagram service
139netbios-ssNetBIOS session service
161snmpSimple Network Management Protocol
162snmptrapSNMP traps
177xdmcpX Display Manager Control Protocol
195dnsixDNSIX security protocol auditing
434mobile-ipMobile IP registration
496pim-auto-rpPIM Auto Rendezvous Point
500isakmpInternet Security Association and Key Management Protocol
512biffBiff mail notification and comsat
513whoRemote who service (rwho)
514syslogRemote logging of messages
517talkTalk
520ripRouting Information Protocol
3478STUNUnifi STUN Port
4500non500-isakmpISAKMP on nonstandard port

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Source: Internet, Knowledge Base

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