How to configure firewall security in cisco 1841?

[Arjun Chaudhari]

I m using Cisco 1841 for the ILL connectivity, I wanted to add Firewall security in my existing 1841 rtr, please help me to build the security.

[mkazam001]

Check the license to see if it supports Zone Based Firewall.

Advanced Enterprise and Advanced IP Services support ZBF.

Use the Cisco Feature Navigatior to find what feature is supported on which IOS.

http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp

The see link below for configuration:

https://community.cisco.com/t5/security-documents/ios-zone-based-firewall-step-by-step-basic-configuration/ta-p/3142774

Regards, mk