Filter Proxy 
Enables/disables filter proxy. If local users have access to WAN proxy servers, they 
may be able to circumvent the content filters and access Internet sites blocked by 
the device. If you select the Filter Proxy feature, it will block access to any WAN 
proxy servers. 
Block Pop-Up Windows  
Enables/disables popup windows. Some commonly used applications employ 
popup windows as part of the application. If you disable popup windows, it may 
interfere with some of these applications.  
Block Web Page Cookies 
Enables/disables cookie blocking. This feature filters the unsolicited delivery of 
cookies to devices from the Internet to devices in your private local network. 
Cookies are computer files that contain personal information or web surfing 
behavior data. 
Block Java and ActiveX Scripts 
Enables/disables java applets and ActiveX scripts. This feature helps to protect the 
devices in your private network from irritating or malicious Java applets that are 
sent, unsolicited, to devices in your private network from the Internet. These 
applets run automatically when they are received by a PC.  
Java is a programming language for websites. If you select the Filter Java Applets 
feature, you may not have access to Internet sites created using this programming 
language.  
This feature also helps to protect the devices in your private network from irritating 
or malicious ActiveX controls that are sent, unsolicited, to devices in your private 
network from the Internet. These ActiveX controls run automatically when they are 
received by a PC. 
Block fragmented IP packets 
Enables/disables filtering of fragmented IP packets. This feature helps protect your 
private local network from Internet based denial of service attacks. 
Block Port Scan Detection 
Enables/disables the gateway from responding to Internet based port scans. This 
feature is designed to protect your private local network from Internet based 
hackers who attempt to gain unsolicited access your network by detecting open IP 
ports on your gateway. 
Block IP Flood Detection (checked – factory default) 
Blocks malicious devices that are attempting to flood devices or networks with 
illegal broadcast packets. Also referred to as ―broadcast storm.‖