Table B-1 TCP and UDP Port Services
|
Service
|
Port
|
Portocol
|
Description
|
|---|
| ftp-data
| 20
| TCP
| File Transfer Protocol (FTP) (default data)
|
| ftp
| 21
| TCP
| FTP (control)
|
| telnet
| 23
| TCP
| Telnet
|
| smtp
| 25
| TCP
| Simple Mail Transfer Protocol (SMTP) (email)
|
| nicname
| 43
| TCP
| whois Internet directory service
|
| nicname
| 43
| UDP
| whois Internet directory service
|
| domain
| 53
| TCP
| Domain Name System (DNS)
|
| domain
| 53
| UDP
| DNS
|
| tftp
| 69
| UDP
| Trivial File Transfer Protocol (TFTP)
|
| gopher
| 70
| TCP
| Gopher
|
| gopher
| 70
| UDP
| Gopher
|
| finger
| 79
| TCP
| Finger Protocol
|
| finger
| 79
| UDP
| Finger Protocol
|
| www-http
| 80
| TCP
| World Wide Web Hypertext Transfer Protocol (HTTP)
|
| kerberos
| 88
| TCP
| Kerberos authentication
|
| kerberos
| 88
| UDP
| Kerberos authentication
|
| pop3
| 110
| TCP
| Post Office Protocol (POP) version 3
|
| sunrpc
| 111
| TCP
| SUN Remote Procedure Call (RPC)
|
| sunrpc
| 111
| UDP
| SUN RPC
|
| auth
| 113
| TCP
| Authentication service
|
| auth
| 113
| UDP
| Authentication service
|
| nntp
| 119
| TCP
| Network News Transfer Protocol (NNTP)
|
| ntp
| 123
| TCP
| Network Time Protocol (NTP)
|
| ntp
| 123
| UDP
| NTP
|
| snmp
| 161
| TCP
| Simple Network Management Protocol (SNMP)
|
| snmp
| 161
| UDP
| SNMP
|
| snmptrap
| 162
| TCP
| SNMP system management messages
|
| snmptrap
| 162
| UDP
| SNMP system management messages
|
| imap3
| 220
| TCP
| Interactive Mail Access Protocol (IMAP) version 3
|
| imap3
| 220
| UDP
| IMAP version 3
|
| https
| 443
| TCP
| HTTP with Secure Sockets Layer (SSL) protocol--secure HTTP
|
| exec
| 512
| TCP
| Remote process execution
|
| login
| 513
| TCP
| Remote login
|
| who
| 513
| UDP
| Remote who daemon (rwhod )
|
| cmd
| 514
| TCP
| Remote command (rsh )
|
| syslog
| 514
| UDP
| System log facility
|
| printer
| 515
| TCP
| Line printer daemon (LPD) spooler
|
| talk
| 517
| TCP
| Terminal-to-terminal chat
|
| talk
| 517
| UDP
| Terminal-to-terminal chat
|
| ntalk
| 518
| TCP
| Newer version of Terminal-to-terminal chat
|
| router
| 520
| UDP
| Routing Information Protocol (RIP)
|
| uucp
| 540
| TCP
| UNIX-to-UNIX Copy Protocol (UUCP)
|
| uucp
| 540
| UDP
| UUCP
|
| uucp-rlogin
| 541
| TCP
| Variant of UUCP/TCP
|
| uucp-rlogin
| 541
| UDP
| Variant of UUCP/IP
|
| klogin
| 543
| TCP
| Kerberized login
|
| klogin
| 543
| UDP
| Kerberized login
|
| pmd
| 1642
| TCP
| PortMaster daemon in.pmd
|
| pmconsole
| 1643
| TCP
| PortMaster Console Protocol
|
| radius
| 1645
| UDP
| Remote Authentication Dial-In User Service (RADIUS)
|
| radacct
| 1646
| UDP
| RADIUS accounting
|
| choicenet
| 1647
| UDP
| ChoiceNet
|
| l2tp
| 1701
| UDP
| Layer 2 Tunneling Protocol
|
If you are configuring a filter on a PortMaster from the command line interface, you must use the port number. The PortMaster does not have the /etc/services file and cannot use NIS to get the equivalent information.