You can apply up to 8 rules for each direction, inbound or outbound. For each rule you can define
the following:
• Source IP address
• Source port address
• Destination IP address
• Destination port address
• Protocol: TCP or UDP, or both
• Use Rule #
You can define a single IP address (4.3.123.254) or a range of IP addresses (4.3.123.254 – 4.3.2.254) for
the source or destination IP address. A blank IP implies that all IP addresses are included. You can define a
single port (80) or a range of ports (1000 – 1999) for the source or destination port. Specify the TCP or
UDP protocol by adding the prefix T or U. Not adding a prefix implies all ports. Each rule can be enabled
or disabled.
URL Blocking blocks LAN computers from accessing pre-defined Websites. The difference between the
Domain Filter and URL Blocking is that the Domain filter requires you to enter a suffix (.com or .org),
while URL Blocking requires you to enter only a keyword. In other words, the Domain Filter can block
specific Websites, while URL Blocking can block hundreds of Websites simply by using a keyword.
• URL Blocking: Check the box next to Enable if you want to enable the URL Blocking option.
• URL / Keyword: If any part of a Website’s URL matches the pre-defined word you have
entered here, the connection will be blocked. For example, if you type the word “firewall” into
the URL text field, all URLs containing that word will be blocked.
• Enable: Check the box to enable the rules.
• Use Rule #: Applies a configured schedule rule