TCP and UDP Ports and Services        B

Note ¯ 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.

 

Table B-1 TCP and UDP Port Services

Service	Port	Protocol	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)
https	443	TCP	HTTP with SSL (secure 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
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