![Cisco IOS Firewall Classic and Zone-Based Virtual Firewall Application Configuration Example - Cisco Cisco IOS Firewall Classic and Zone-Based Virtual Firewall Application Configuration Example - Cisco](https://www.cisco.com/c/dam/en/us/support/docs/security/ios-firewall/100595-classic-zone-firewall-config-guide02.gif)
Cisco IOS Firewall Classic and Zone-Based Virtual Firewall Application Configuration Example - Cisco
![IOS Zone-Based Firewall: CME/CUE/GW Single Site or Branch Office PSTN Connection Configuration Example - Cisco IOS Zone-Based Firewall: CME/CUE/GW Single Site or Branch Office PSTN Connection Configuration Example - Cisco](https://www.cisco.com/c/dam/en/us/support/docs/security/ios-firewall/108014-isr-config-02-108014.gif)
IOS Zone-Based Firewall: CME/CUE/GW Single Site or Branch Office PSTN Connection Configuration Example - Cisco
![Cisco IOS Firewall Classic and Zone-Based Virtual Firewall Application Configuration Example - Cisco Cisco IOS Firewall Classic and Zone-Based Virtual Firewall Application Configuration Example - Cisco](https://www.cisco.com/c/dam/en/us/support/docs/security/ios-firewall/100595-classic-zone-firewall-config-guide03.gif)
Cisco IOS Firewall Classic and Zone-Based Virtual Firewall Application Configuration Example - Cisco
![Amazon.com: Big Little Book on Cisco Zone-Based Firewalls: Configuring The Cisco IOS Router Firewall Feature Set eBook : OMOS, U V: Kindle Store Amazon.com: Big Little Book on Cisco Zone-Based Firewalls: Configuring The Cisco IOS Router Firewall Feature Set eBook : OMOS, U V: Kindle Store](https://m.media-amazon.com/images/I/41aZDgNQzeL.jpg)