This book covers the Secure Shell in detail for both system administrators and end users. It demystifies the SSH manpages and includes thorough coverage of: SSH1, SSH2, OpenSSH, and F-Secure SSH for Unix, as well as Windows and Macintosh products - the basics, the internals and complex applications; configuring SSH servers and clients, both systemwide and per user, with recommended settings to maximize security; advanced key management using agent, agent forwarding and much more.