Windows 7 native firewall is based on two sets of rules that complement each other. The basic Windows Firewall uses simple rules that directly relate to a program or service while the Windows Firewall with Advanced Security (WFAS) allows for more complicated rules that filter traffic on the basis of port, protocol, address and authentication.
Are you having network connectivity problems? You are unable to connect to another computer, to the Internet or to shared resources within an organization! Then this article will guide you through the basic tools available in Windows 7 and the steps you need to take when troubleshooting network connectivity problems.