Guardian Digital WebTool Firewall HOWTO

by Pete O'Hara


Table of Contents
1. Guardian Digital WebTool Introduction
2. Firewall Introduction
3. Document Goals
4. Configuring the Firewall
4.1. General Configuration
4.1.1. Firewall Interfaces
4.1.2. Default Policy
4.1.3. Masquerading
4.2. Hosts and Networks
4.3. Firewall Rules
4.3.1. Incoming Rules
4.3.2. Outgoing Rules
4.4. Port Forwarding
4.4.1. Creating a Port Forwarding Rule
4.4.2. Creating the Remaining Port Forwarding Rules
4.5. Blacklisting
4.6. Starting and Stopping the Firewall
4.7. Testing the Firewall
A. Additional Resources
List of Tables
3-1. Server Addresses
4-1. SSH Outgoing Rule
4-2. DNS Outgoing Rule
4-3. SMTP Outgoing Rule
4-4. FTP Outgoing Rule
4-5. HTTP Outgoing Rule
4-6. HTTPS Outgoing Rule
4-7. NTP Outgoing Rule
4-8. DNS Port Forwarding Spec
4-9. SIMAP Port Forwarding Spec
4-10. SPOP3 Port Forwarding Spec
4-11. HTTP Port Forwarding Spec
4-12. HTTPS Port Forwarding Spec
List of Figures
4-1. Firewall Interfaces Display
4-2. Default Policy
4-3. Masquerading
4-4. Hosts and Networks
4-5. Firewall Rules Page
4-6. Edit Firewall Rule Pop-up
4-7. The Guardian Digital WebTool Rules
4-8. Firewall Rules display
4-9. Port Forwarding Rules
4-10. Blacklist Rule