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6. Security Management
Overview
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URL Filter
- It can block specific website by configuring IP address, URL or Key words
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Access filter
- You can block all Internet access or select block well-known port or
block user defined ports by groups.
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Session Limit
- It can limit users access to Internet, and send email alert to the
administrator if the device detect new sessions that exceeds the maximum sampling
time.
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SysFilter Exception
- It can limit users access to Internet, and send email alert to the
administrator. If the device detect new sessions that exceeds the maximum sampling
time.
6.1 URL
Filter
This feature allows you to block or allow access to specific Web sites. You can block /
allow Internet access by URL, IP address, or Keyword. You can also have different
blocking/access settings for different groups of PCs.
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In operation, every URL is searched to see if it matches or contains any of the URL or
keywords entered here. Then, after a DNS lookup determines the IP address of the
requested site, the site's IP address is checked against IP address entries on this
screen.
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Note that a single IP address may host many Web sites. Entering the IP address on
this screen will block all Web sites hosted on that IP address.
Figure: URL Filter
Settings – URL Filter
