SMC Networks 7908A-ISP, User Manual

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I
NTRODUCTION
1-4
• DMZ Host Support
Allows a networked computer to be fully exposed to the Internet.
This function is used when NAT and firewall security prevent an
Internet application from functioning correctly.
• Security
The Router supports security features that deny Internet access to
specified users, or filter all requests for specific services that the
administrator does not want to serve. The Router’s firewall also blocks
common hacker attacks, including IP Spoofing, Land Attack, Ping of
Death, IP with zero length, Smurf Attack, UDP port loopback, Snork
Attack, TCP null scan, and TCP SYN flooding.
• Internet Calling
You can make telephone calls using the Internet.