Squashed 'chef-repo/cookbooks/firewall/' content from commit 51bb2ec

git-subtree-dir: chef-repo/cookbooks/firewall
git-subtree-split: 51bb2ec93eb8485c192edee1e3a44165911c81f9
Merge commit 'f188471115a2a25edab4f6232908fd2b8228c8bd' as 'chef-repo/cookbooks/firewall'