C Service Acronyms; Service Acronym Definitions - ActionTec GT724WGR User Manual

Service Acronyms
The following information is related to the Firewall options (Custom, High, Medium,
and Low) section in the "Configuring Security Settings" chapter of this manual. This
appendix explains the meaning of the service acronyms included with the various lev-
els of firewall security, and the

Service Acronym Definitions

DNS
Domain Name System. A data query system used to translate host names into
Internet addresses (i.e., www.somewebsite.com translates to
Uses 53 and
UDP
EPMAP
EndPoint Mapper. Uses
FTP
File Transfer Protocol. A protocol used to transfer files over the Internet. Uses
and .
TCP 20 21
HTTP
HyperText Transfer Protocol. This protocol delivers information over the
Internet, and is used when a computer connects to a Web site via an Internet
browser. Uses
TCP 80
HTTPS
HyperText Transfer Protocol using Secure Socket Layer. A secure version of the
protocol that delivers information over the Internet. Uses
and
UDP
53.
TCP
135 and
UDP
.
ports used by each service.
TCP
135.
TCP
87
C
).
888.999.000.111
443 and
UDP TCP
443.