HP TCP/IP Services for OpenVMS Guide to SSH

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HP Part Number: BA548-90007

Published: July 2006, Edition 2.0

© Copyright 2006 Hewlett-Packard Development Company, L.P.

Table of Contents

About This Document

Intended Audience
New and Changed Information in This Edition
Typographic Conventions
Document Organization
Related Information
Publishing History
HP Encourages Your Comments

Introduction to SSH

The Secure Shell Server
The Secure Shell Client

Introduction to Keys

Host Keys
User Keys
Generating Keys
Managing User Keys

SSH Authentication

How the SSH Client and Server Communicate

Port Forwarding

Upgrading SSH for OpenVMS

Server and Client Configuration Files

2 Configuring the Secure Shell Software

Running the TCPIP$CONFIG Configuration Command Procedure
Configuring the SSH Client
Configuring the SSH Server

3 Customizing the SSH Run-Time Environment

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

4 Managing the SSH Service

Starting and Stopping the SSH Client

Starting and Stopping the SSH Server

Enabling IPv6 Networking

SSH Logical Names

Managing Auditing

How the Server Performs Auditing
Auditing Options for the Server Configuration File
Auditing Options for the Client Configuration File

Managing Account Passwords

Secondary Passwords

5 Port Forwarding

Standard Port Forwarding
Port Forwarding for FTP
X11 Port Forwarding
Managing Port Forwarding

6 Setting Up Kerberos/SSH Connections

Installing Kerberos RTL Images

Setting Up Kerberos

Configuring the Kerberos User and Host Principles
Configuring the Kerberos Authentication Method
SSH Kerberos Authentication Interoperability
SSH Client Configuration

Setting Up a Kerberos SSH Connection

Forwarding Credentials
Managing Kerberos Credential Forwarding
Forwarding Kerberos Credentials Example

Kerberos Password Authentication

Solving SSH/Kerberos Problems

7 SSH Command Reference

Before You Begin

Copying Files

File Types
Using the SCP Command
Using the SFTP Command

Remote Login and Command Execution

Command Synopsis
Parameters
Options
Example

Using SSH Commands in Batch Jobs

Using the SSH_KEYGEN Utility

Command Synopsis
Parameters
Options

Using the SSH_ADD Utility

Command Synopsis
Parameters
Options
Description
Return Status
Example

Using the SSH_AGENT Utility

Command Synopsis
Options
Examples

8 Solving SSH Problems

A SSH Directories and Files

Client Directories and Files
Server Directories and Files

B SSH Client and Server Configuration Parameters

Client Configuration Parameters
Client Configuration File
Server Configuration Parameters
Server Configuration File

List of Tables

2-1 Files and Directories Created During SSH Configuration
4-1 Logical Names
7-1 SCP Command Options
7-2 SFTP Command Options
7-3 SSH Command Options
7-4 SSH_KEYGEN Command Options
7-5 SSH_ADD Command Options
7-6 SSH_AGENT Command Options