Edimax Technology AR-7284WnB - Manual (Page 62)

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from accessing a service
The attackers attempt to disrupt service to a specific
system or person.
Port scan protection is designed to block attempts to discover
vulnerable ports or services that might be exploited in an
attack from the WAN.
Choose ADVANCED > Firewall Settings. The page shown in
the following figure appears.
Click Apply to save the settings.
3.3.8 DNS
Domain name system (DNS) is an Internet service that
translates domain names into IP addresses. Because domain
names are alphabetic, they are easier to remember. The
Internet, however, is actually based on IP addresses. Each
time you use a domain name, a DNS service must translate