Chapter 3 Customizing the SSH Run-Time Environment

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Table of Contents

Setting up the Server Public Keys
Automatically Copying Key Files
Manually Copying the Key Files
Naming Conventions for the Server's Public Host Key
Modifying Client Configuration Parameters
Modifying Server Configuration Parameters
Authentication Methods
Specifying Authentication Methods
Setting Up Password Authentication
Setting Up Password Authentication on the Client
Setting Up Password Authentication on the Server
Setting Up Host-based Authentication
Setting Up Host-based Authentication on the Client
Setting Up Host-based Authentication on the Server
Setting Up Public-Key Authentication
Setting Up Public-Key Authentication on the Client
Setting Up Public-Key Authentication on the Server

When the TCP/IP configuration procedure has completed successfully, all of the required systemwide SSH configuration parameters are established. The host is now prepared to become an SSH server by accepting remote connections, and the SSH client is ready to execute SSH commands. Additional security methods can be applied at the following levels:

  • A systemwide setup, which is typically the system manager's responsibility and applies to running instances of the client and server processes.

  • A user-specific setup, which is typically the responsibility of the account owner, from whose account the SSH connections are made on the client host or to which an SSH connection will be requested on the server host.

This chapter describes how to customize the SSH run-time environment to meet your specific security requirements, and discusses the following topics:



Configuring the SSH Server
  		 


Setting up the Server Public Keys