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Commit df683687f3bf6d33443509a62d87679062dbf51e

Authored by Sergio Oliveira
1 parent ad74ff80
Exists in r5_design and in 1 other branch design_41_backup

Manage firewall rules using templates and envs

Showing 13 changed files with 99 additions and 82 deletions   Show diff stats
Rakefile
  Diff comments   View file @df68368
... ... @@ -9,6 +9,7 @@ $SPB_ENV = ENV.fetch('SPB_ENV', 'local')
9 9 ssh_config_file = "config/#{$SPB_ENV}/ssh_config"
10 10 ips_file = "config/#{$SPB_ENV}/ips.yaml"
11 11 config_file = "config/#{$SPB_ENV}/config.yaml"
  12 +iptables_file = "config/#{$SPB_ENV}/iptables-filter-rules"
12 13  
13 14 ENV['CHAKE_SSH_CONFIG'] = ssh_config_file
14 15  
... ... @@ -20,9 +21,11 @@ end
20 21  
21 22 config = YAML.load_file(config_file)
22 23 ips = YAML.load_file(ips_file)
  24 +firewall = File.open(iptables_file).read
23 25 $nodes.each do |node|
24 26 node.data['config'] = config
25 27 node.data['peers'] = ips
  28 + node.data['firewall'] = firewall
26 29 end
27 30  
28 31 task :console do
... ...
config/development/iptables-filter-rules 0 → 100644
  Diff comments   View file @df68368
... ... @@ -0,0 +1,29 @@
  1 +
  2 +-A INPUT -s 200.198.196.192/26 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
  3 +-A INPUT -s 200.198.196.192/26 -p tcp -m state --state NEW -m tcp --dport 5432 -j ACCEPT
  4 +-A INPUT -s 200.198.196.192/26 -p icmp --icmp-type 8 -j ACCEPT
  5 +-A INPUT -s 200.198.196.201/32 -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
  6 +-A INPUT -s 200.198.196.206/32 -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
  7 +
  8 +-A INPUT -s 189.9.150.85/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
  9 +
  10 +
  11 +# UnB
  12 +-A INPUT -s 164.41.86.12/32 -p tcp -m state --state NEW -m multiport --dports 22,80,443 -j ACCEPT
  13 +-A INPUT -s 164.41.9.36/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
  14 +
  15 +
  16 +# Sergio Oliveira
  17 +-A INPUT -s 179.111.229.232/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
  18 +-A INPUT -s 189.5.248.31/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
  19 +
  20 +
  21 +# Antonio Terceiro
  22 +-A INPUT -s 198.58.116.17/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
  23 +-A INPUT -s 189.4.54.241/32 -p tcp -m state --state NEW -m multiport --dports 22,80,443 -j ACCEPT
  24 +
  25 +
  26 +-A INPUT -s 10.18.0.0/16 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
  27 +-A INPUT -s 10.18.0.0/16 -p icmp --icmp-type 8 -j ACCEPT
  28 +-A INPUT -s 189.9.137.239/32 -p tcp -m state --state NEW -m tcp --dport 10050 -j ACCEPT
  29 +-A INPUT -s 189.9.137.239/32 -p icmp --icmp-type 8 -j ACCEPT
... ...
config/local/iptables-filter-rules 0 → 100644
  Diff comments   View file @df68368
... ... @@ -0,0 +1,2 @@
  1 +
  2 +# No environment rules
... ...
config/production/iptables-filter-rules 0 → 100644
  Diff comments   View file @df68368
... ... @@ -0,0 +1,2 @@
  1 +
  2 +# No environment rules
... ...
cookbooks/firewall/recipes/default.rb 0 → 100644
  Diff comments   View file @df68368
... ... @@ -0,0 +1,14 @@
  1 +
  2 +package 'iptables-services'
  3 +
  4 +service 'iptables' do
  5 + action [:enable, :start]
  6 + supports :restart => true
  7 +end
  8 +
  9 +template '/etc/sysconfig/iptables' do
  10 + owner 'root'
  11 + group 'root'
  12 + mode 0644
  13 + notifies :restart, 'service[iptables]'
  14 +end
... ...
cookbooks/firewall/templates/default/development.erb
View file @ad74ff8
... ... @@ -1,35 +0,0 @@
1   -
2   -<% content_for :iptables_filter do %>
3   -
4   --A INPUT -s 200.198.196.192/26 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
5   --A INPUT -s 200.198.196.192/26 -p tcp -m state --state NEW -m tcp --dport 5432 -j ACCEPT
6   --A INPUT -s 200.198.196.192/26 -p icmp --icmp-type 8 -j ACCEPT
7   --A INPUT -s 200.198.196.201/32 -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
8   --A INPUT -s 200.198.196.206/32 -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
9   -
10   --A INPUT -s 189.9.150.85/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
11   -
12   -
13   -# UnB
14   --A INPUT -s 164.41.86.12/32 -p tcp -m state --state NEW -m multiport --dports 22,80,443 -j ACCEPT
15   --A INPUT -s 164.41.9.36/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
16   -
17   -
18   -# Sergio Oliveira
19   --A INPUT -s 179.111.229.232/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
20   --A INPUT -s 189.5.248.31/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
21   -
22   -
23   -#i Antonio Terceiro
24   --A INPUT -s 198.58.116.17/32 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
25   --A INPUT -s 189.4.54.241/32 -p tcp -m state --state NEW -m multiport --dports 22,80,443 -j ACCEPT
26   -
27   -
28   --A INPUT -s 10.18.0.0/16 -p tcp -m state --state NEW -m multiport --dports 22,80,5432 -j ACCEPT
29   --A INPUT -s 10.18.0.0/16 -p icmp --icmp-type 8 -j ACCEPT
30   --A INPUT -s 189.9.137.239/32 -p tcp -m state --state NEW -m tcp --dport 10050 -j ACCEPT
31   --A INPUT -s 189.9.137.239/32 -p icmp --icmp-type 8 -j ACCEPT
32   -
33   -<% end %>
34   -
35   -<%= render 'firewall-common.erb' %>
cookbooks/firewall/templates/default/firewall-common.erb
View file @ad74ff8
... ... @@ -1,37 +0,0 @@
1   -
2   -### FILTER RULES ###
3   -
4   -*filter
5   -
6   -:INPUT ACCEPT [0:0]
7   -:FORWARD ACCEPT [0:0]
8   -:OUTPUT ACCEPT [0:0]
9   -
10   --A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
11   -
12   --A INPUT -p icmp --icmp-type 3/4 -j ACCEPT
13   --A INPUT -p icmp --icmp-type 3/3 -j ACCEPT
14   --A INPUT -p icmp --icmp-type 3/1 -j ACCEPT
15   --A INPUT -p icmp --icmp-type 4 -j ACCEPT
16   --A INPUT -p icmp --icmp-type 11 -j ACCEPT
17   --A INPUT -p icmp --icmp-type 12 -j ACCEPT
18   -
19   --A INPUT -i lo -j ACCEPT
20   -
21   -<%= yield :iptables_filter %>
22   -
23   --A INPUT -j LOG --log-prefix "Firewall INPUT: "
24   --A INPUT -j DROP
25   --A FORWARD -j LOG --log-prefix "Firewall FORWARD: "
26   --A FORWARD -j DROP
27   -
28   -COMMIT
29   -
30   -
31   -### NAT Rules ###
32   -
33   -*nat
34   -
35   -<%= yield :iptables_nat %>
36   -
37   -COMMIT
cookbooks/firewall/templates/default/iptables-filter.erb 0 → 100644
  Diff comments   View file @df68368
cookbooks/firewall/templates/default/iptables-nat.erb 0 → 100644
  Diff comments   View file @df68368
cookbooks/firewall/templates/default/iptables.erb 0 → 100644
  Diff comments   View file @df68368
... ... @@ -0,0 +1,34 @@
  1 +
  2 +### FILTER RULES ###
  3 +
  4 +*filter
  5 +
  6 +:INPUT ACCEPT [0:0]
  7 +:FORWARD ACCEPT [0:0]
  8 +:OUTPUT ACCEPT [0:0]
  9 +
  10 +-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
  11 +
  12 +-A INPUT -p icmp --icmp-type 3/4 -j ACCEPT
  13 +-A INPUT -p icmp --icmp-type 3/3 -j ACCEPT
  14 +-A INPUT -p icmp --icmp-type 3/1 -j ACCEPT
  15 +-A INPUT -p icmp --icmp-type 4 -j ACCEPT
  16 +-A INPUT -p icmp --icmp-type 11 -j ACCEPT
  17 +-A INPUT -p icmp --icmp-type 12 -j ACCEPT
  18 +
  19 +-A INPUT -i lo -j ACCEPT
  20 +
  21 +<%= node['firewall'] %>
  22 +<%= render 'iptables-filter.erb' %>
  23 +
  24 +-A INPUT -j LOG --log-prefix "Firewall INPUT: "
  25 +-A INPUT -j DROP
  26 +-A FORWARD -j LOG --log-prefix "Firewall FORWARD: "
  27 +-A FORWARD -j DROP
  28 +
  29 +COMMIT
  30 +
  31 +
  32 +*nat
  33 +<%= render 'iptables-nat.erb' %>
  34 +COMMIT
... ...
cookbooks/firewall/templates/host-reverseproxy/iptables-filter.erb 0 → 100644
  Diff comments   View file @df68368
... ... @@ -0,0 +1,9 @@
  1 +
  2 +# HTTP Ports
  3 +-A INPUT -p tcp -m state --state NEW -m multiport --dports 80,443 -j ACCEPT
  4 +
  5 +# Port redirect to gitlab host (integration)
  6 +-A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT
  7 +
  8 +# Real SSH connection
  9 +-A INPUT -p tcp -m state --state NEW --dport <%= node['config']['alt_ssh_port'] %> -j ACCEPT
... ...
cookbooks/firewall/templates/host-reverseproxy/iptables-nat.erb 0 → 100644
  Diff comments   View file @df68368
... ... @@ -0,0 +1,6 @@
  1 +
  2 +# Forward reverseproxy:22 to integration:22 (required to enable git pushes over SSH)
  3 +
  4 +-A PREROUTING -d <%= node['peers']['reverseproxy'] %>/32 -p tcp -m tcp --dport 22 -j DNAT --to-destination <%= node['peers']['integration'] %>:22
  5 +
  6 +-A POSTROUTING -d <%= node['peers']['integration'] %>/32 -p tcp -m tcp --dport 22 -j SNAT --to-source <%= node['peers']['reverseproxy'] %>
... ...
cookbooks/firewall/templates/host-reverseproxy/iptables.erb
View file @ad74ff8
... ... @@ -1,10 +0,0 @@
1   -
2   -<% content_for :iptables_nat do %>
3   -
4   -# Forward reverseproxy:22 to integration:22. Required to enable git pushes over SSH
5   --A PREROUTING -d <%= node['peers']['reverseproxy'] %>/32 -p tcp -m tcp --dport 22 -j DNAT --to-destination <%= node['peers']['integration'] %>:22
6   --A POSTROUTING -d <%= node['peers']['integration'] %>/32 -p tcp -m tcp --dport 22 -j SNAT --to-source <%= node['peers']['reverseproxy'] %>
7   -
8   -<% end %>
9   -
10   -<%= render 'development.erb' %>