a32f34b408
Knife-Zero doesn't include Berkshelf support, so vendoring everything in the repo is convenient again
81 lines
2.5 KiB
Ruby
81 lines
2.5 KiB
Ruby
#
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# Cookbook:: firewall
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# Recipe:: default
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#
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# Copyright:: 2011-2016, Chef Software, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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chef_sugar_cookbook_version = Gem::Version.new(run_context.cookbook_collection['chef-sugar'].metadata.version)
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include_recipe 'chef-sugar' if chef_sugar_cookbook_version < Gem::Version.new('4.0.0')
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firewall 'default' do
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ipv6_enabled node['firewall']['ipv6_enabled']
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action :install
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end
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# create a variable to use as a condition on some rules that follow
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iptables_firewall = rhel? || node['firewall']['ubuntu_iptables']
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firewall_rule 'allow loopback' do
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interface 'lo'
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protocol :none
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command :allow
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only_if { linux? && node['firewall']['allow_loopback'] }
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end
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firewall_rule 'allow icmp' do
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protocol :icmp
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command :allow
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# debian ufw doesn't allow 'icmp' protocol, but does open
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# icmp by default, so we skip it in default recipe
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only_if { (!debian? || iptables_firewall) && node['firewall']['allow_icmp'] }
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end
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firewall_rule 'allow world to ssh' do
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port 22
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source '0.0.0.0/0'
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only_if { linux? && node['firewall']['allow_ssh'] }
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end
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firewall_rule 'allow world to winrm' do
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port 5989
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source '0.0.0.0/0'
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only_if { windows? && node['firewall']['allow_winrm'] }
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end
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firewall_rule 'allow world to mosh' do
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protocol :udp
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port 60000..61000
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source '0.0.0.0/0'
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only_if { linux? && node['firewall']['allow_mosh'] }
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end
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# allow established connections, ufw defaults to this but iptables does not
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firewall_rule 'established' do
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stateful [:related, :established]
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protocol :none # explicitly don't specify protocol
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command :allow
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only_if { node['firewall']['allow_established'] && iptables_firewall }
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end
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# ipv6 needs ICMP to reliably work, so ensure it's enabled if ipv6
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# allow established connections, ufw defaults to this but iptables does not
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firewall_rule 'ipv6_icmp' do
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protocol :'ipv6-icmp'
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command :allow
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only_if { node['firewall']['ipv6_enabled'] && node['firewall']['allow_established'] && iptables_firewall }
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end
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