Secure Shell in the Enterprise

Chapter 1. Introducing the Secure Protocols

The network has never been safe. As your data travels the network, it can be monitored, copied, or silently changed without your knowledge. Rogue users can hijack the connection to your mail server and read your corporate secrets. Physical console access is not practical when data centers are outsourced or when system administrators are on a separate continent. Thus, secure network connections are a business requirement for globally interconnected systems. Remote-access, cryptographic-protocol-based tools, such as Secure Shell or virtual private networks, were developed to defend against network security threats and to provide secure access.

Security History and Protocols

In the beginning, there was Telnet, ...