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•

(1.2.3.100-1.2.3.119) They can do everything except read net news (port 119) and

transfer files via FTP (port 21)

•

Others are all allowed.

After Inbound Packet Filter setting is configured, click the save button.

4.6.1.2 Outbound Filter

To enable

Outbound Packet Filter

click the check box next to

Enable

in the

Outbound

Packet Filter

field.

Example 1:

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•

(192.168.123.100-192.168.123.149) They are allowed to send mail (port 25),

receive mail (port 110), and browse Internet (port 80); port 53 (DNS) is necessary to

resolve the domain name.

•

(192.168.123.10-192.168.123.20) They can do everything (block nothing)

•

Others are all blocked.

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Example 2:

•

(192.168.123.100-192.168.123.119) They can do everything except read net news

(port 119) and transfer files via FTP (port 21)

•

Others are allowed

After Outbound Packet Filter setting is configured, click the save button.

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4.6.2 Domain Filter

Domain Filter

Let you prevent users under this device from accessing specific URLs.

Domain Filter Enable

Check if you want to enable Domain Filter.

Log DNS Query

Check if you want to log the action when someone accesses the specific URLs.

Privilege IP Addresses Range

Setting a group of hosts and privilege these hosts to access network without restriction.

Domain Suffix

A suffix of URL to be restricted. For example, ".com", "xxx.com".

Action

When someone is accessing the URL met the domain-suffix, what kind of action you want.

Check drop to block the access. Check log to log these access.

Enable

Check to enable each rule.

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Example:

In this example:

•

URL include “www.msn.com” will be blocked, and the action will be record in log-file.

•

URL include “www.sina.com” will not be blocked, but the action will be record in

log-file.

•

URL include “www.google.com” will be blocked, but the action will not be record in

log-file.

•

IP address X.X.X.1~ X.X.X.20 can access network without restriction.