Unwarranted attacks from unscrupulous hackers are increasingly common, and users concerned with such activities would do well to take a look at the Jetico Personal Firewall. With this application, users will have three levels of protection. The application will effectively filter network packets, application-level network events, and of course, various Trojans that might try to sneak into Internet Explorer or some such browsing application. Jetico Personal Firewall 1.0.1.6 is compatible with Windows 98 or newer.