Hardening the Network Infrastructure
Once you’ve reduced the ability for unauthorized users to log on to your Windows computers, the next step is to harden other access methods. Computers communicate with other devices and computers on a network by sending messages to a destination port address. The combination of a protocol, a host name or address, and a port number identifies the intended target location for a message. For example, assume a Transport Control Protocol (TCP) message travels to www.myserver.com at port 80. Port 80 is the commonly used port for web traffic. It is likely that there is a web server on the server at the address www.myserver.com. If this server is a web server, then you would want to accept TCP traffic on port ...
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