Architecting and designing : Generic enterprise architecture frameworks : Technology Model view : Firewall
  
Firewall
The following firewall symbols are provided on the Network Concept diagram by default.
Firewall
Router with Firewall
Firewall Horizontal
Advanced Network Symbols
If the "Advanced Network Symbols" switch is turned on in the Advanced dialog, the following additional types of icons will be available:
Car
Centri Firewall
Firewall Services Module
IOS Firewall
Cisco Network Symbols
If the "Cisco Network Symbols" switch is turned on in the Advanced dialog (select Tools, Customize Method Support, Encyclopedia Configuration, and then select the Advanced button), the following additional types of icons become available:
Cisco Security Manager
PIX Firewall
See also
Technology Model view