TCP/IP Services for OpenVMS

This document, the Guide to SSH, covers the following aspects of using Secure Shell (SSH) on OpenVMS:

• Concepts: An overview of SSH components (client/server), key management, and authentication methods.
• Configuration: Procedures for using TCPIP$CONFIG to set up the SSH environment, including configuring the client and server, and generating host keys.
• Customization: Guidance on modifying the SSH run-time environment, specifically how to configure host and user keys, and fine-tune authentication methods (password, host-based, and public-key).
• Management: Instructions for starting/stopping the SSH service, using logical names, and configuring auditing parameters.
• Advanced Features: Details on using port forwarding (standard, FTP, and X11).
• Reference: Command reference for utilities like SCP, SFTP, SSH, SSH_KEYGEN, SSH_ADD, and SSH_AGENT.
• Troubleshooting: Guidance on resolving OpenVMS SSH login issues.

The document also includes appendices listing standard file/directory structures and sample configuration files.