Findings:
- Cisco Pix 515 Firewall
- FTP and firewalls
- firewall code
- firewall machine
- Firewalls and Internet Security
- Great Firewall of China
- Phoenix firewall appliance
- firewall myths
- firewall rules
- firewall (user)
- Configuring FreeBSD as a NAT router and firewall
- firewall
- Gauntlet firewall
- Firewall Toolkit
- Stix Nix Hix Pix
- Pix
- Kid Pix
- pix (user)
- Moon Pix
- Cisco 67x
- Cisco
- Cisco Networking Academy
- The World According to Cisco
- Cisco IOS
- Cisco router
- Password recovery on a Cisco 6xxx Switch
- Cisco Products Quick Reference Guide
- Using Hyperterminal to Configure a Cisco 67x Router
- Configuring a Cisco 67x DSL modem/router
- phone firewall
- Entering Debug Mode With a Cisco 67x mode/router
- Making a Management Cable for a Cisco 67x
- Re-programming a Cisco 67x from Debug Mode
- Re-programming a Cisco 67x from Enable Mode
- Cisco dialout utility
- Cisco three-layer hierarchial model
- cisco (user)
- Cisco CBAC
If you Log in you could create a "Cisco PIX firewall" node. If you don't already have an account, you can register here.