TCP - Ports / Sockets
The following port IDs are well-known ports (BDS sockets).
dec. Protocol
---- ----------------------------------------------------------------
0000 .. (reserved)
0001-
0004 .. (reserved)
0005 RJE Remote Job Entry
0007 ECHO Echo
0011 USERS Active Users
0013 DAYTIME Daytime
0015 .. (unassigned)
0017 QUOTE Quote of the Day
0019 CHARGEN Character Generator
0021 FTP File Transfer Protocol
0023 TELNET Teletype Network
0025 SMTP Simple Mail Transfer Protocol
0027 NSW-FE NSW User System FE
0029 MSG-ICP MSG ICP
0031 MSG-AUTH MSG Authentication
0033 DSP Display Support Protocol
0035 .. (any private printer server)
0037 TIME Time
0039 RLP Resource Location Protocol
0041 GRAPHICS Graphics
0042 NAMESERVER Host Name Server
0043 NICNAME Who Is
0044 MPM-FLAGS MPM Flags Protocol
0045 MPM MPM
0046 MPM-SEND MPM (default send)
0047 NI-FTP NI FTP
0049 LOGIN Login Host Protocol
0051 LA-MAINT IMP Logical Address Maintenance
0053 DOMAIN Domain Name Server
0055 ISI-GL ISI Graphics Language
0057 .. (any private terminal access)
0059 .. (any private file service)
0061 NI-MAIL NI MAIL
0063 VIA-FTP VIA Systems FTP
0065 TACACS-DS TACACS Database Service
0067 BOOTPS Bootstrap Protocol Server
0068 BOOTPC Bootstrap Protocol Client
0069 TFTP Trivial File Transfer Protocol
0071 NETRJS-1 Remote Job Service 1
0072 NETRJS-2 Remote Job Service 2
0073 NETRJS-3 Remote Job Service 3
0074 NETRJS-4 Remote Job Service 4
0075 .. (any private dial out service)
0077 .. (any private RJE service)
0079 FINGER Finger
0081 HOST2-NS Host2 Name Server
0083 MIT-ML-DEV MIT ML Device
0085 MIT-ML-DEV MIT ML Device
0087 .. (any private link)
0089 SU-MIT-TG SU/MIT Telnet Gateway
0091 MIT-DOV MIT Doover Spooler
0093 DCP Device Control Protocol
0095 SUPSUP SUPDUP
0097 SWIFT-RVJ Swift Remote Virtual File Protocol
0099 METAGRAM Metagram Delay
0101 HOSTNAME NIC Host Name Server
0102 ISO-TSAP ISO TSAP
0103 X.400 X.400
0104 X.400-SND X.400-SND
0105 CSNET-IS Mailbox Name NameServer
0107 RTELNET Remote Telnet Service
0109 POP-2 Post Office Protocol, Version 2
0111 SunRPC SUN Remote Procedure Call Port Map
0113 AUTH Authentication Service
0115 SFTP Simple Mail File Transfer Protocol
0117 UUCP-PATH UUCP Path Service
0119 NNTP Network News Transfer Protocol
0121 ERPC HYDRA Expedited Remote Procedure
0123 NTP Network Time Protocol
0125 LOCUS-MAP Locus PC-Interface Net Map Server
0127 LOCUS-CON Locus Interface Conn Server
0129 PWDGEN Passwort Generator Protocol
0130 CISCO-FNA CISCO FNATIVE
0131 CISCO-TNA CICSO TNATIVE
0132 CISCO-SYS CISCO SYSMAINT
0133 STATSRV Statistics Service
0134 INGRES-NET INGRES NET Service
0135 LOC-SRV Location Service
0136 PROFILE PROFILE Naming System
0137 NETBIOS-NS NETBIOS Name Service
0138 NETBIOS-DGM NETBIOS Datagram Service
0139 NETBIOS-SSN NETBIOS Session Service
0140 EMFIS-DATA EMFIS Data Service
0141 EMFIS-CNTL EMFIS Control Service
0142 BL-IDM Britton-Lee IDM
0143-
0159 .. (unassigned)
0160-
0223 .. (reserved)
0224-
0241 .. (unassigned)
0243 SUR-MEAS Survey Measurement
0245 LINK LINK
0247-
0255 .. (unassigned)
0512 rexec Remote Exec
0513 rlogin Remote Login
0514 remshell Remote Shell
0515 lpr Remote Print
0721 .. Unix
0900 .. Unix printer
1260 .. rlb
1536 .. NFT
1537 .. VT
1538 .. Reverse VT
1540 .. PTOP
1542 .. RPM
2105 .. NInstall
2560 .. RFA
2561 .. RDBA
4672 .. RFA (UX)