CHAPTER 9
Network Services
Introduction
An administrator running a network needs to securely provide services to users. This chapter provides an introduction to a number of common network services.
Secure Shell, or SSH, is used to provide remote access to systems. It is typically used to provide command-line access, but SSH can also be used with an X Server to provide a full graphical interface. SSH can also be used as a way to send files using sftp and scp. Although SSH is robust, it is not without its security issues. When using passwords for authentication, it is vulnerable to a brute force attack, and servers that support SSH protocol 1 are ...
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