Advantech EKI-6310GN, Руководство пользователя

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69 EKI-6310GN User Manual
Chapter 8
A
pplication
Rules
A
nd
Firewall
6310GN from Internet, you would use a URL of the form: http://xxx.xxx.xxx.xxx:8080/
EKI-6310GN will enable port 8080 when you configure to router mode.
Ping from WAN Filter : When Allow, this outdoor AP/CPE does not respond to ping
packets received on the WAN port.
SPI Firewall : SIP firewall help to keep track of the state of network connections (such
as TCP streams, UDP communication) traveling across it. It is programmed to distin-
guish legitimate packets for different types of connections. Only packets matching a
known active connection will be allowed by the firewall; others will be rejected.
Network Address Translation : NAT is the process of modifying IP address informa-
tion in IP packet headers while in transit across a traffic routing device.
8.5 Content Filter
EKI-6310GN provides a variety of options for blocking Internet access based on con-
tent, URL and host name.
Figure 8.6 URL filter
Web URL Filter Settings : By filtering inbound Uniform Resource Locators (URLs)
the risk of compromising the network can be reduced. URLs are commonly used to
point to websites. By specifying a URL or a keyword contained in a URL traffic from
that site may be blocked.