Lucent Technologies PortMaster Manual Do Utilizador
B-1
TCP and UDP Ports and Services
B
Table B-1 lists common port numbers—well-known ports—assigned to TCP and UDP
services—well-known services—by the Internet Assigned Network Numbers
Authority (IANA). A more complete list is available in RFC 1700, “Assigned Numbers.”
services—well-known services—by the Internet Assigned Network Numbers
Authority (IANA). A more complete list is available in RFC 1700, “Assigned Numbers.”
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.
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)
(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)
Protocol (HTTP)
https
443
TCP
HTTP with SSL (secure HTTP)
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