Practical Internet Groupware > Authentication and Authorization Techniques > HTTP Basic Authentication

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Practical Internet Groupware

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Foreword

Preface

Pt. I. Using Internet Groupware

Pt. II. Groupware Docbases

Pt. III. Groupware Applications and Services

Ch. 9. Conferencing Applications

Ch. 10. Groupware Servlets

Ch. 11. Membership Services

Ch. 12. Authentication and Authorization Techniques

HTTP Basic Authentication

Basic Authentication for Apache

Basic Authentication for IIS

Protecting Scripts in Apache

Protecting Scripts in IIS

Attribute-Based Access

An Authenticating Script for Apache

An Authenticating Script for IIS

A Pass-Through ISAPI Authentication Filter

An Attribute-Based Authorization Script

Scripted Authentication Using Netscape Directory Server

An Authorizing Docbase Viewer

Using Cookies to Authorize Access

Setting a Cookie

What to Put in a Cookie and for How Long

Ch. 13. Deploying NNTP Discussion Servers

Pt. IV. Advanced Internet Groupware

Pt. V. Appendixes

Colophon

Index

12.1. HTTP Basic Authentication

Available with every web server, HTTP basic authentication is a very simple protocol. When a browser asks for a protected resource, the server sends back an authentication header instead, like this:

HTTP/1.0 401 Unauthorized
WWW-Authenticate: Basic realm=subscribers

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Contents

Chapter 12. Authentication and Authoriza... > HTTP Basic Authentication

12.1. HTTP Basic Authentication