Authentication Gateway HOWTO

Nathan Zorn


Revision History
Revision 0.03 2001-12-06 Revised by: nhz
Revision 0.02 2001-09-28 Revised by: KET
Revision 0.01 2001-09-06 Revised by: nhz

There are many concerns with the security of wireless networks and public access areas such as libraries or dormitories. These concerns are not met with current security implementations. A work around has been proposed by using an authentication gateway. This gateway addresses the security concerns by forcing the user to authenticate in order to use the network.

Table of Contents
1. Introduction
1.1. Copyright Information
1.2. Disclaimer
1.3. New Versions
1.4. Credits
1.5. Feedback
2. What is needed
2.1. Netfilter
2.2. PAM for Netfilter rules.
2.3. DHCP Server
2.4. Authentication mechanism
2.5. DNS Server
3. Setting up the Gateway Services
3.1. Netfilter Setup
3.2. PAM iptables Module
3.3. DHCP Server Setup
3.4. Authentication Method Setup
3.5. DNS Setup
4. Using the authentication gateway
5. Concluding Remarks
6. Additional Resources
7. Questions and Answers