I promised to deliver a preview of the new OCP-IP book written by David Schwaderer and here it is. I will be presenting three parts of the book from chapters 1 through 3. Thanks to Ian Mackintosh at ...

TCP wrappers are intended to provide wrapper daemons that can be installed without any changes to existing software. Most TCP/IP applications depend on the client/server model — i.e., when a client ...

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 ...

I often take the internet for granted. Over the years it's taken many forms but the underlying technology has mostly remained the same. However, even the very foundation of the internet as we know it ...