Netgear ProSafe FVS124G User Manual download pdf (Page 138)

Reference Manual for the ProSafe VPN Firewall 25 with 4 Gigabit LAN and Dual WAN Ports

8-4 Router and Network Management

202-10085-01, March 2005

See “Using a Schedule to Block or Allow Specific Traffic” on page 6-22 for the procedure on how

to use this feature.

Block Sites

If you want to reduce traffic by preventing access to certain sites on the Internet, you can use the

VPN firewall's filtering feature. By default, this feature is disabled; all requested traffic from any

Web site is allowed.

• Keyword (and domain name) blocking—You can specify up to 32 words that, should they

appear in the website name (i.e., URL) or in a newsgroup name, will cause that site or

newsgroup to be blocked by the VPN firewall.

You can apply the keywords to one or more groups. Requests from the PCs in the groups for

which keyword blocking has been enabled will be blocked. Blocking does not occur for the

PCs that are in the groups for which keyword blocking has not been enabled.

You can bypass keyword blocking for trusted domains by adding the exact matching domain

to the list of Trusted Domains. Access to the domains on this list by PCs even in the groups for

which keyword blocking has been enabled will still be allowed without any blocking.

• Web component blocking—You can block the following Web component types: Proxy, Java,

ActiveX, and Cookies. Sites on the Trusted Domains list are still subject to Web component

blocking when the blocking of a particular Web component has been enabled.

See “Block Sites” on page 6-24 for the procedure on how to use this feature.

Source MAC Filtering

If you want to reduce outgoing traffic by preventing Internet access by certain PCs on the LAN,

you can use the source MAC filtering feature to drop the traffic received from the PCs with the

specified MAC addresses. By default, this feature is disabled; all traffic received from PCs with

any MAC address is allowed.

See “Source MAC Filtering” on page 6-27 for the procedure on how to use this feature.

VPN Firewall Features That Increase Traffic

Features that tend to increase WAN-side loading are as follows:

• Port forwarding

• Port triggering

• Exposed hosts

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Netgear ProSafe FVS124G User Manual Page 138