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This guide does not intend to provide a detailed description of TCP/IP's basic concepts but addresses security concerns related to TCP/IP. For various reasons, the person who administers your system might have to meet a certain level of security. For example, the corporate policy might dictate the level of security. It might be necessary for a system to communicate at a certain level of security with government systems. Security standards may apply to the network, the operating system, applications, or your systems administrator's applications. TCP/IP Security Features The purpose of this section is to describe both the standard and secure features of TCP/IP and to discuss some issues of security that would be appropriate in a network environment. Operating system-specific security The operating system provides many security features available for TCP/IP, such as network access control and auditing. TCP/IP command security TCP/IP provides a ...

TCP/IP which is the acronym for Transmission Control Protocol/Internet Protocol is a set of standardized rules that allow computers or network devices to communicate with each other. This communication can either be on the internet or on a private network like an intranet. The TCP/IP protocol suite functions as an abstraction layer between internet applications and the routing and switching fabric. TCP/IP functionality TCP/IP determines how data should be exchanged on the internet by providing end-to-end communications that specify how it should be broken into packets, addressed, transmitted, routed, and received at the destination. TCP/IP is designed to make networks reliable so that data cannot be easily hacked. It also has the ability to recover automatically from the failure of any device on the network. TCP which stands for Transmission Control Protocol has its own specific function in the IP suite. TCP defines how applications can create channels of communicatio...