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Sets up iptables to use a script to maintain firewall rules. However this cookbook may be deprecated or heavily modified in favor of the general firewall cookbook, see Roadmap.


  • [COOK-652] - create a firewall cookbook
  • [COOK-688] - create iptables providers for all resources



  • Ubuntu/Debian
  • RHEL/CentOS



The default recipe will install iptables and provides a perl script (installed in /usr/sbin/rebuild-iptables) to manage rebuilding firewall rules from files dropped off in /etc/iptables.d.


See Roadmap for plans to replace the definition with LWRPs.


The definition drops off a template in /etc/iptables.d after the name parameter. The rule will get added to the local system firewall through notifying the rebuild-iptables script. See Examples below.


Ensure that the system is set up to use the definition and rebuild script with recipe[iptables]. Then create templates with the firewall rules in the cookbook where the definition will be used. See Examples.


To enable port 80, e.g. in an httpd cookbook, create the following template:

# Port 80 for http
-A FWR -p tcp -m tcp --dport 80 -j ACCEPT

This would go in the cookbook, httpd/templates/default/port_http.erb. Then to use it in recipe[httpd]:

iptables_rule "http"

License and Author

Author:: Adam Jacob Author:: Joshua Timberman

Copyright:: 2008-2011, Opscode, Inc

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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