Summary: The Windows services file, located in c windows\system32\drivers\etc, lists service names and port numbers. If another program uses the same port number as a service that's listed in the ...

If you are a network engineer or a normal user, you may need to find, open or block a virtual port, such as a TCP or a UDP port for an application. Virtual ports help you manage your network hardware ...

In a recent security alert, Cisco Systems warned that the Cisco IOS is vulnerable to a malicious attack (see Cisco warns of critical IOS flaws). By exploiting this vulnerability, a hacker could ...

What is SSL/TLS? SSL and TLS are protocols used on the transport layer, which is used to provide a secure connection between two nodes in a computer network. The first widely used protocol that was ...