Microsoft Windows Graphic

Security information for TCP/IP

TCP/IP internetworks are susceptible to a variety of possible attacks, from passive attacks (such as eavesdropping) to active attacks (such as denial-of-service attacks). For more information, see Security issues with IP and Security information for IPv6.

It is important to follow best practices for security when using IPv4 on your network. For more information, see Best practices for security.

The following are known security issues for IPv4: