O’Reilly Verlag

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Preface 
1. Introduction to SSH

       1.1 What Is SSH?

       1.2 What SSH Is Not

       1.3 The SSH Protocol

       1.4 Overview of SSH Features

       1.5 History of SSH

       1.6 Related Technologies

       1.7 Summary
2. Basic Client Use

       2.1 A Running Example

       2.2 Remote Terminal Sessions with ssh

       2.3 Adding Complexity to the Example

       2.4 Authentication by Cryptographic Key

       2.5 The SSH Agent

       2.6 Connecting Without a Password or Passphrase

       2.7 Miscellaneous Clients

       2.8 Summary
3. Inside SSH

       3.1 Overview of Features

       3.2 A Cryptography Primer

       3.3 The Architecture of an SSH System

       3.4 Inside SSH-2

       3.5 Inside SSH-1

       3.6 Implementation Issues

       3.7 SSH and File Transfers (scp and sftp)

       3.8 Algorithms Used by SSH

       3.9 Threats SSH Can Counter

       3.10 Threats SSH Doesn't Prevent

       3.11 Threats Caused by SSH

       3.12 Summary
4. Installation and Compile-Time Configuration

          4.1. Overview

       4.2 Installing OpenSSH

       4.3 Installing Tectia

       4.4 Software Inventory

       4.5 Replacing r-Commands with SSH

       4.6 Summary
5. Serverwide Configuration

       5.1 Running the Server

       5.2 Server Configuration: An Overview

       5.3 Getting Ready: Initial Setup

       5.4 Authentication: Verifying Identities

       5.5 Access Control: Letting People In

       5.6 User Logins and Accounts

       5.7 Forwarding

       5.8 Subsystems

       5.9 Logging and Debugging

       5.10 Compatibility Between SSH-1 and SSH-2 Servers

       5.11 Summary
6. Key Management and Agents

       6.1 What Is an Identity?

       6.2 Creating an Identity

       6.3 SSH Agents

       6.4 Multiple Identities

       6.5 PGP Authentication in Tectia

       6.6 Tectia External Keys

       6.7 Summary
7. Advanced Client Use

       7.1 How to Configure Clients

       7.2 Precedence

       7.3 Introduction to Verbose Mode

       7.4 Client Configuration in Depth

       7.5 Secure Copy with scp

       7.6 Secure, Interactive Copy with sftp

       7.7 Summary
8. Per-Account Server Configuration

       8.1 Limits of This Technique

       8.2 Public-Key-Based Configuration

       8.3 Hostbased Access Control

       8.4 The User rc File

       8.5 Summary
9. Port Forwarding and X Forwarding

       9.1 What Is Forwarding?

       9.2 Port Forwarding

       9.3 Dynamic Port Forwarding

       9.4 X Forwarding

       9.5 Forwarding Security: TCP-wrappers and libwrap

       9.6 Summary
10. A Recommended Setup

       10.1 The Basics

       10.2 Compile-Time Configuration

       10.3 Serverwide Configuration

       10.4 Per-Account Configuration

       10.5 Key Management

       10.6 Client Configuration

       10.7 Remote Home Directories (NFS, AFS)

       10.8 Summary
11. Case Studies

       11.1 Unattended SSH: Batch or cron Jobs

       11.2 FTP and SSH

       11.3 Pine, IMAP, and SSH

       11.4 Connecting Through a Gateway Host

       11.5 Scalable Authentication for SSH

       11.6 Tectia Extensions to Server Configuration Files

       11.7 Tectia Plugins
12. Troubleshooting and FAQ

       12.1 Debug Messages: Your First Line of Defense

       12.2 Problems and Solutions

       12.3 Other SSH Resources
13. Overview of Other Implementations

       13.1 Common Features

       13.2 Covered Products

       13.3 Other SSH Products
14. OpenSSH for Windows

       14.1 Installation

       14.2 Using the SSH Clients

       14.3 Setting Up the SSH Server

       14.4 Public-Key Authentication

       14.5 Troubleshooting

       14.6 Summary
15. OpenSSH for Macintosh

       15.1 Using the SSH Clients

       15.2 Using the OpenSSH Server
16. Tectia for Windows

       16.1 Obtaining and Installing

       16.2 Basic Client Use

       16.3 Key Management

       16.4 Accession Lite

       16.5 Advanced Client Use

       16.6 Port Forwarding

       16.7 Connector

       16.8 File Transfers

       16.9 Command-Line Programs

       16.10 Troubleshooting

       16.11 Server
17. SecureCRT and SecureFX for Windows

       17.1 Obtaining and Installing

       17.2 Basic Client Use

       17.3 Key Management

       17.4 Advanced Client Use

       17.5 Forwarding

       17.6 Command-Line Client Programs

       17.7 File Transfer

       17.8 Troubleshooting

       17.9 VShell

       17.10 Summary
18. PuTTY for Windows

       18.1 Obtaining and Installing

       18.2 Basic Client Use

       18.3 File Transfer

       18.4 Key Management

       18.5 Advanced Client Use

       18.6 Forwarding

       18.7 Summary
A. OpenSSH 4.0 New Features
B. Tectia Manpage for sshregex
C. Tectia Module Names for Debugging
D. SSH-1 Features of OpenSSH and Tectia
E. SSH Quick Reference
Index