If you see the message Security or firewall might be blocking the connection following completion of Windows Network Diagnostics to determine what’s causing internet or network connection issues on ...

You've just installed a new firewall. Congratulations on taking a big step in protecting your organization. Now you're ready for the next step: configuring the ...

The ICMP protocol facilitates the use of important administrator utilities such as ping and traceroute, but it can also be manipulated by hackers to get a snapshot of your network. Learn what ICMP ...

Step 1 You can configure two types of networks: private (home and workplace networks) and public (airport, library, or other networks open to the public). You will see status and settings reports ...