User's Manual
Table Of Contents
- Introduction
- Setting Up the Router
- Performing a Basic Setup
- Using Advanced Setup
- Viewing the Router’s Settings
- Using Utilities
- Setting Up a Network
- Troubleshooting
- Reference
- Setting Up Static IP on the Computer
- Computer Security
- Specifications
- Glossary
- Firewall Security Level Services Table
- Non-Windows System Setup
- Notices
- Limited Warranty

120
Actiontec 54 Mbps Wireless Cable Router User Manual
121
Appendix F Firewall Security
Basic Security Level
NAT (Network Address Translation) only.
Service Acronym Definitions
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.
dns
Domain Name System. A data query system used to translate host names into
Internet addresses (i.e., www.somewebsite.com translates to 888.999.000.111).
ftp
File Transfer Protocol. A protocol used to transfer files over the Internet.
telnet
An Internet communications protocol enabling one computer to function as a
terminal working from another (remote) computer.
smtp
Simple Mail Transfer Protocol. A protocol used to transfer E-mail between
computers over the Internet. Can be used to send and receive mail.
pop3
Post Office Protocol 3. Another protocol used to transfer E-mail between
computers. Usually employs a pop3 server, and is used to receive mail only.
nntp
Network News Transfer Protocol. A protocol used to distribute and retrieve
news articles over the Internet.