One, Introduction
Windows server is a self-contained firewall that can filter some packages. In general, to open the firewall for security, you can prevent some attack behavior.
Of course, when the firewall is enabled, all ports are closed, and the computer simply does not accept external connection requests to the port and cannot provide services externally. (Local access, such as using a browser to browse the Web is not affected, the firewall is to intercept external connection to the local)
Generally speaking, server server is to provide service, so it is necessary to open some ports to provide services, the most commonly used is 80 ports, Web services (HTTP Web services) is through the 80-port service, so to build a Web site on the server, first have to open 80 ports. two, specific methods
1, click Start-Control Panel-windows Firewall
2, on the General tab click Enable, which is equivalent to open the firewall
3, on the Advanced tab, select the connection to use (for example, local connection) and click on the right setting.
4, after the pop-up window tick the Web server click OK.