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5: Security Management
Overview
• Block URL It can block specific website by configure IP address, URL or Key words
• Access filter You can block all Internet access or select block well-known port or block user
define ports by groups.
• Session Limit It can eliminate users access Internet, and send email alert to the administrator.
If the device detect new sessions that is exceed the maximum sampling time.
• System Filter Exception It can eliminate users access Internet, and send email alert to the
administrator. If the device detect new sessions that is exceed the maximum sampling time.
Block URL
This feature allows you to block access to undesirable Web sites. You can block by URL, IP address,
or Keyword. You can also have different blocking settings for different groups of PCs.
• 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.
• 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.