cookbook 'iptables', '= 1.0.0'
iptables
(41) Versions
1.0.0
-
Follow132
Installs the iptables daemon and provides resources for managing rules
cookbook 'iptables', '= 1.0.0', :supermarket
knife supermarket install iptables
knife supermarket download iptables
Description
Sets up iptables to use a script to maintain firewall rules.
Requirements
Platform:
- Ubuntu/Debian
- RHEL/CentOS and derivatives
Recipes
default
The default recipe will install iptables and provides a ruby script
(installed in /usr/sbin/rebuild-iptables) to manage rebuilding
firewall rules from files dropped off in /etc/iptables.d.
LWRP
rule
The lwrp 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.
NOTE: In the 1.0 release of this cookbook the iptables_rule definition was converted
to a LWRP. This changes the behavior of disabling iptables rules. Previously a rule
could be disabled by specifying enable false. You must now specify action :disable
Usage
Add recipe[iptables] to your runlist to ensure iptables is installed / running
and to ensure that the rebuild-iptables script is on the system.
Then create use iptables_rule to add individual rules. See Examples.
Since certain chains can be used with multiple tables (e.g., PREROUTING),
you might have to include the name of the table explicitly (i.e., *nat,
*mangle, etc.), so that the /usr/sbin/rebuild-iptables script can infer
how to assemble final ruleset file that is going to be loaded. Please note,
that unless specified otherwise, rules will be added under the filter
table by default.
Examples
To enable port 80, e.g. in an my_httpd cookbook, create the following
template:
# Port 80 for http
-A FWR -p tcp -m tcp --dport 80 -j ACCEPT
This template would be located at:
my_httpd/templates/default/http.erb. Then within your recipe call:
iptables_rule 'http' do
action :enable
end
To redirect port 80 to local port 8080, e.g., in the aforementioned my_httpd
cookbook, created the following template:
*nat
# Redirect anything on eth0 coming to port 80 to local port 8080
-A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
Please note, that we explicitly add name of the table (being *nat in this
example above) where the rules should be added.
This would most likely go in the cookbook,
my_httpd/templates/default/http_8080.erb. Then to use it in
recipe[httpd]:
iptables_rule 'http_8080' do
action :enable
end
License and Author
Author:: Adam Jacob adam@chef.io
Author:: Joshua Timberman joshua@chef.io
Author:: Tim Smith tsmith84@gmail.com
Copyright:: 2008-2015, Chef Software, 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
http://www.apache.org/licenses/LICENSE-2.0
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.
Dependent cookbooks
This cookbook has no specified dependencies.
Contingent cookbooks
v1.0.0 (2015-04-29)
NOTE: This release includes breaking changes to the behavior of this cookbook.
The iptables_rule definition was converted to a LWRP. This changes the behavior
of disabling iptables rules. Previously a rule could be disabled by specifying
enable false. You must now specify action :disable. Additionally the cookbook
no longer installs the out of the box iptables rules. These were rules made assumptions
about the operating environment and should not have been installed out of the box.
This makes this recipe a library cookbook that can be better wrapped to meet the needs
or your particular environment.
- Definition converted to a LWRP to providing why-run support and
- The out of the box iptables rules are no longer installed. If you need these rules you'll need to wrap the cookbook and use the LWRP to define these same rules.
- Removed all references to the roadmap and deprecation of the cookbook. It's not going anywhere any time soon
- Use platform_family to better support Debian derivatives
- Converted file / directory modes to strings to preserve the leading 0
- Added additional RHEL derivitive distributions to the metadata
- Expanded excluded files in the gitignore and chefignore files
- Included the latest contributing documentation to match the current process
v0.14.1 (2015-01-01)
- Fixing File.exists is deprecated for File.exist
v0.14.0 (2014-08-31)
- [#14] Adds basic testing suite including Berksfile
- [#14] Adds basic integration/post-converge tests
- [#14] Adds default prefix and postfix rules to disalow traffic
v0.13.2 (2014-04-09)
- [COOK-4496] Added Amazon Linux support
v0.13.0 (2014-03-19)
- [COOK-3927] Substitute Perl version of rebuild-iptables with Ruby version
v0.12.2 (2014-03-18)
- [COOK-4411] - Add newling to iptables.snat
v0.12.0
- [COOK-2213] - iptables disabled recipe
v0.11.0
- [COOK-1883] - add perl package so rebuild script works
v0.10.0
- [COOK-641] - be able to save output on rhel-family
- [COOK-655] - use a template from other cookbooks
v0.9.3
- Current public release.
Foodcritic Metric
1.0.0 failed this metric
FC043: Prefer new notification syntax: /tmp/cook/bb7f84e43ad2826e73d66db5/iptables/providers/rule.rb:33
FC043: Prefer new notification syntax: /tmp/cook/bb7f84e43ad2826e73d66db5/iptables/providers/rule.rb:49
1.0.0 failed this metric
FC043: Prefer new notification syntax: /tmp/cook/bb7f84e43ad2826e73d66db5/iptables/providers/rule.rb:49
