Creating a Firewall Using EigerStein |
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Maintained by: Richard J. Lohman
Version 2.11
November, 2001
CONTENTS
Conventions, Downloads, and ChangeLogIntroduction
Applications Used
Anatomy of an EigerStein Firewall
Linux Primer
Preliminary Installation
Preparing the PC
Preparing the Disk
Fill Out the Network Information Sheet
Initial Configuration
Seattle Firewall Basic Configuration
Adding Features to the Working Firewall
Remote Control With sshd and Putty
Configuring lrpStat to Monitor Bandwidth
Cache DNS Entries Locally With dnscache
Create an Audible 'System Booted' Notification Script
Shut Off Selected Inbound Traffic Types
Route Additional Networks Through the Firewall
Make Your Own Internal Server(s) Available to the Public
Bind a Second IP Address to Your External Interface
Make your Firewall a DHCP Server
Configure Your Firewall To Obtain an IP Address From a DHCP Server
Configure Your Firewall for IRC
Configure the Firewall to Allow Access to Network Time Servers
Add a Second Floppy to Your Firewall
Firewall Operation
Running the Firewall
Checking the Status of the Firewall
Modifying Your Existing Firewall
Changing the Internal IP Addressing Scheme
Changing the External IP Address(s)
Changing the Remote DNS Server Addresses
Appendices
A: Backing Up Using the Lrcfg Script
B: Resources
C: Network Information Sheet
D: Credits
E: Laptop-Specific Issues
F: Troubleshooting
Conventions, Downloads, and ChangeLog