LITA Regional Institute: Proxy Web Servers and Authentication
San Antonio, TX    February 22, 2001

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Program Overview

• Today's Schedule
• Order of topics
• Facility Logistics
• Orientation Questions
• Orientation Questions

What are proxies?

• Traditional reasons to use caching proxies
• Library Scenarios

Definitions

• In the beginning...
• Roles
• Proxies
• Authentication/Authorization

Proxies for Bandwidth Conservation

• Set up proxy server
• Client configuration
• Demonstration

How Proxies Work

• Networking overview
• Overview of HTTP/1.0 and HTTP/1.1 protocols
• Cache headers
• Cache control
• Demonstrations

Local PC Setup

• Manual Configuration
• Proxy Auto-Configuration Files
• Automatic Detection

Proxies for Statistics

• Set up proxy server
• Statistics programs
• Demonstration

Privacy Statements

• What is collected?
• Sensitivity of information
• Forming a privacy statement
• Use of logs to identify problems and service abuses

Proxies for Filtering

• Fake a proxy server to prevent access to all but authorized sites
• Gaming / Web-based E-mail, Chat / etc.
• Setting up Apache to block requests to certain sites
• Other forms of filtering

Authentication systems

• How web clients authenticate to servers
• Sources for authentication

Proxies for Remote Resource Access

• Basic Theory
• Is this a "reverse proxy"?
• Authentication step
• Transparent versus non-transparent proxy servers
• EZproxy Demonstration
• Alternatives to Proxy Servers for remote resource access

Interception Proxies

• Why do we care?
• How do they work?
• What to do?

Free Proxy Servers

• Apache
• Squid
• Libproxy
• Delegate

Commercial Proxy Servers

• Microsoft Internet Security and Acceleration (ISA) Server
• iPlanet Proxy Server
• WinProxy
• EZproxy
• Obvia
• WebManager from Sagebrush Corp
• Remote Patron Authentication from epixtech
• Web Access Management (WAM) from Innovative Interfaces

Resources

• Lists of Links
• Specific Documents
• Proxy-related tools
• User Documentation
• Free Proxy Servers
• Commercial Proxy Servers

Future Developments

• Project Shibboleth

Wrap-up / Evaluation