In this section we put together all kinds of information that we
find useful in our daily work. The material is a collection of
information from various sources including bulletin boards,
mailgroups, manuals, magazines, books, seminar handouts and
independent research.
This information is provided without warranty of any kind. There
is no further support available. Each individual must determine
the applicability and accuracy of this information to their
specific environment.
This document contains port numbers for well-known services. It is based on RFC 1060, (Assigned Numbers), RFC 1340, (Assigned Numbers), RFC 1700, (Assigned Numbers), Documents from IANA (Internet Assigned Numbers Authority), and own research. You might also look at: Port Numbers.
The Well Known Ports are those from 0 through 1023.
The Registered Ports are those from 1024 through 49151.
The Dynamic and/or Private Ports are those from 49152 through 65535.
| service name | port number/ protocol | Aliases | Comment |
|---|---|---|---|
| Network Services, Internet style | |||
| 4/tcp | Unassigned | ||
| 4/udp | Unassigned | ||
| rje | 5/tcp | Remote Job Entry | |
| rje | 5/udp | Remote Job Entry | |
| 6/tcp | Unassigned | ||
| 6/udp | Unassigned | ||
| echo | 7/tcp | ||
| echo | 7/udp | ||
| 8/tcp | Unassigned | ||
| 8/udp | Unassigned | ||
| discard | 9/tcp | sink null | |
| discard | 9/udp | sink null | |
| 10/tcp | Unassigned | ||
| 10/udp | Unassigned | ||
| systat | 11/tcp | ||
| systat | 11/tcp | users | |
| 12/tcp | Unassigned | ||
| 12/udp | Unassigned | ||
| daytime | 13/tcp | ||
| daytime | 13/udp | ||
| 14/tcp | Unassigned | ||
| 14/udp | Unassigned | ||
| 15/tcp | Unassigned | was netstat | |
| 15/udp | Unassigned | was netstat | |
| 16/tcp | Unassigned | ||
| 16/udp | Unassigned | ||
| qotd | 17/tcp | quote | |
| qotd | 17/udp | quote | |
| msp | 18/tcp | Message Send Protocol | |
| msp | 18/udp | Message Send Protocol | |
| chargen | 19/tcp | ttytst | source |
| chargen | 19/udp | ttytst | source |
| ftp-data | 20/tcp | File Transfer | Default Data |
| ftp-data | 20/udp | File Transfer | Default Data |
| ftp | 21/tcp | File Transfer | Control |
| ftp | 21/tcp | File Transfer | Control |
| SSH | 22/tcp | Remote Login | |
| SSH | 22/udp | Remote Login | |
| telnet | 23/tcp | ||
| 24/tcp | Anny Privat Mail System | ||
| 24/udp | Anny Privat Mail System | ||
| smtp | 25/tcp | ||
| time | 37/tcp | timserver | |
| time | 37/udp | timserver | |
| rlp | 39/udp | resource | resource location |
| name | 42/tcp | nameserver | Microsoft WINS |
| name | 42/udp | nameserver | |
| whois | 43/tcp | nicname | usually to sri-nic |
| TACACS | 49/tcp | Login Host Service | |
| TACACS | 49/udp | Login Host Service | |
| domain | 53/tcp | nameserver | name-domain server |
| domain | 53/udp | nameserver | |
| nameserver | 53/tcp | domain | name-domain server |
| nameserver | 53/udp | domain | |
| mtp | 57/tcp | deprecated | |
| TACACS | 65/tcp | Database Service | |
| bootp/DHCP | 67/udp | boot program server | |
| bootp/DHCP | 68/udp | boot program client | |
| tftp | 69/tcp | ||
| tftp | 69/udp | ||
| Host specific functions | |||
| rje | 77/tcp | netrjs | |
| finger | 79/tcp | ||
| http | 80/tcp | www server | |
| http | 81/tcp | www server | alternate |
| http | 82/tcp | www server | alternate |
| link | 87/tcp | ttylink | |
| kerberos | 88/udp | kerberos | Distributed Authentication Mechanism |
| supdup | 95/tcp | Virtual terminal server | |
| hostnames | 101/tcp | hostname | usually from sri-nic |
| iso-tsap | 102/tcp | X.400-mail | |
| iso-tsap | 102/ucp | X.400-mail | |
| dictionary | 103/tcp | webster | |
| x400 | 103/tcp | ISO Mail | |
| x400-snd | 104/tcp | ||
| csnet-ns | 105/tcp | ||
| pop | 109/tcp | postoffice | |
| pop2 | 109/tcp | Post Office | |
| pop3 | 110/tcp | postoffice | |
| portmap | 111/tcp | ||
| portmap | 111/udp | ||
| sunrpc | 111/tcp | ||
| sunrpc | 111/udp | ||
| auth | 113/tcp | authentication | IDENT Deamon |
| sftp | 115/tcp | ||
| path | 117/tcp | ||
| uucp-path | 117/tcp | ||
| nntp | 119/tcp | usenet | Network News Transfer |
| ntp | 123/udp | ntpd ntp | network time protocol (exp) |
| ms rpc | 135/tcp | Microsoft RPC | |
| nbname | 137/udp | ||
| nbdatagram | 138/udp | ||
| nbsession | 139/tcp | ||
| NeWS | 144/tcp | news | |
| sgmp | 153/udp | sgmp | |
| SQL Service | 156/tcp | ||
| SQL Service | 156/udp | ||
| tcprepo | 158/tcp | repository | PCMAIL |
| snmp | 161/udp | snmp | |
| snmp-trap | 162/udp | snmp | traps |
| print-srv | 170/tcp | network PostScript | |
| vmnet | 175/tcp | ||
| xdm | 177/tcp | X Display Manager | XDM Control Prot |
| xdm | 177/udp | X Display Manager | XDM Control Prot |
| karlnet | 192/udp | Karlnet monitor | |
| irc | 194/tcp | IRC | Internet Relay Chat Protocol |
| apple-talk | 201/udp | Apple-Talk | Routing maintenance |
| apple-talk | 202/udp | Apple-Talk | Name binding |
| apple-talk | 203/udp | Apple-Talk | Echo |
| apple-talk | 206/udp | Apple-Talk | Zone information |
| wais | 210/tcp | wais server | |
| imap | 220/tcp | postoffice | POP3 replacement |
| load | 315/udp | ||
| ldap | 389/tcp | LDAP | |
| netware | 396/udp | Novell Netware | Netware over IP |
| vmnet0 | 400/tcp | ||
| SHTTP | 443/tcp | Secure HTTP | HTTP over TSL/SSL |
| SSMTP | 465/tcp | Secure SMTP | SMTP over TSL/SSL |
| sytek | 500/udp | ||
| biff | 512/udp | comsat | |
| UNIX specific services | |||
| exec | 512/tcp | rexec? | Remote Command Execution |
| login | 513/tcp | rlogin? | Remote Login |
| who | 513/udp | whod | |
| shell | 514/tcp | cmd (rsh) | no passwords used |
| syslog | 514/udp | ||
| printer | 515/tcp | spooler(lpr) | line printer spooler |
| talk | 517/udp | ||
| ntalk | 518/udp | ||
| efs | 520/tcp | for LucasFilm | |
| route | 520/udp | router routed | RIP |
| time | 523/udp | Time Server Deamon | |
| timed | 525/udp | timeserver | |
| tempo | 526/tcp | newdate | |
| courier | 530/tcp | rpc | |
| conference | 531/tcp | chat | |
| rvd-control | 531/udp | MIT disk | |
| netnews | 532/tcp | readnews | remote read news |
| netwall | 533/udp | Network write to all users | for emergency broadcasts |
| uucp | 540/tcp | uucpd | uucp daemon |
| klogin | 543/tcp | Kerberos authenticated rlogin | |
| kshell | 544/tcp | cmd | and remote shell |
| new-rwho | 550/udp | new-who | experimental |
| remotefs | 556/tcp | rfs_server rfs | Brunhoff remote filesystem |
| rmonitor | 560/udp | rmonitord | experimental |
| monitor | 561/udp | experimental | |
| garcon | 600/tcp | ||
| maitrd | 601/tcp | ||
| busboy | 602/tcp | ||
| SLDAP | 636/tcp | Secure LDAP | LDAP over TSL/SSL |
| acctmaster | 700/udp | ||
| acctslave | 701/udp | ||
| acct | 702/udp | ||
| acctlogin | 703/udp | ||
| acctprinter | 704/udp | ||
| elcsd | 704/udp | errlog | |
| acctinfo | 705/udp | ||
| acctslave2 | 706/udp | ||
| acctdisk | 707/udp | ||
| kerberos | 750/tcp | kdc | Kerberos authentication--tcp |
| kerberos | 750/udp | kdc | Kerberos authentication--udp |
| kerberos_master | 751/tcp | Kerberos authentication | |
| kerberos_master | 751/udp | Kerberos authentication | |
| passwd_server | 752/udp | Kerberos passwd server | |
| userreg_server | 753/udp | Kerberos userreg server | |
| krb_prop | 754/tcp | Kerberos slave propagation | |
| erlogin | 888/tcp | Login and environment passing | |
| SFTP data | 989/tcp | Secure FTP | FTP over TSL/SSL |
| SFTP control | 990/tcp | Secure FTP | FTP over TSL/SSL |
| STelnet | 992/tcp | Secure Telnet | Telnet over TSL/SSL |
| SIMAP | 993/tcp | Secure IMAP4 | IMAP4 over TSL/SSL |
| SIRC | 994/tcp | Secure IRC | IRC over TSL/SSL |
| kpop | 1109/tcp | Pop with Kerberos | |
| phone | 1167/udp | ||
| LotusNotes | 1352/tcp | LotusNotes | Mail system |
| LotusNotes | 1352/udp | LotusNotes | Mail system |
| Novell LU6.2 | 1416/tcp | Novell LU6.2 | |
| Novell LU6.2 | 1416/udp | Novell LU6.2 | |
| MS SQL | 1433/tcp | Microsoft SQL | Microsoft SQL Server |
| MS SQL | 1434/tcp | Microsoft SQL | Microsoft SQL Monitor |
| ingreslock | 1524/tcp | ||
| maze | 1666/udp | ||
| PPTP | 1729/tcp | Microsoft(?) PPTP | point-to-point tunneling protocol |
| NFS | 2048/tcp | NFS over TCP | |
| nfs | 2049/udp | sun nfs | |
| knetd | 2053/tcp | Kerberos de-multiplexor | |
| eklogin | 2105/tcp | Kerberos encrypted rlogin | |
| CCMAIL | 3264/tcp | Lotus cc:Mail | |
| CCMAIL | 3264/udp | Lotus cc:Mail | |
| rmt | 5555/tcp | rmtd | |
| mtb | 5556/tcp | mtbd | mtb backup |
| man | 9535/tcp | remote man server | |
| w | 9536/tcp | ||
| mantst | 9537/tcp | remote man server, testing | |
| bnews | 10000/tcp | ||
| rscs0 | 10000/udp | ||
| queue | 10001/tcp | ||
| rscs1 | 10001/udp | ||
| poker | 10002/tcp | ||
| rscs2 | 10002/udp | ||
| gateway | 10003/tcp | ||
| rscs3 | 10003/udp | ||
| remp | 10004/tcp | ||
| rscs4 | 10004/udp | ||
| rscs5 | 10005/udp | ||
| rscs6 | 10006/udp | ||
| rscs7 | 10007/udp | ||
| rscs8 | 10008/udp | ||
| rscs9 | 10009/udp | ||
| rscsa | 10010/udp | ||
| rscsb | 10011/udp | ||
| qmaster | 10012/tcp | ||
| qmaster | 10012/udp | ||