User`s guide

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42
6 – Security Management
Security Management – 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, it 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 address on this
screen will block all Web sites hosted on that IP address.
Access Group - This allows you to have different blocking rules for different Groups of PCs.
• All PCs (users) are in the Default Group unless moved to another group on the Host IP
screen.
• If you want the same restrictions to apply to everyone, select Default for the Group. In this
case, there is no need to enter any Hosts on the Host IP screen.
• If you wish to apply different restrictions on different Groups, select the desired Group, and
click the "Select" button. The screen will update data for the selected Group.
Block internet access – when this setting is Active ,all internet access is allowed, there are no
restrictions in place. When you add a rule here this will prohibit access of the website to which this
rule is applied.
Allow Internet Access – when this setting is active, all internet is prohibited by default. An entry here
will enable access to that specific site, while the rest is still blocked.