Merge pull request #161 from SemioticLabs/3-5-Fix-loopback-address-match

3-5 Fix loopback address match
dev-sec · Dec 4, 2023 · 35abce0 · 35abce0
2 parents c5174f9 + 95a2a7a
commit 35abce0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/controls/3_5_firewall_configuration.rb b/controls/3_5_firewall_configuration.rb
@@ -117,7 +117,7 @@
   tag cis: 'distribution-independent-linux:3.5.1.4'
   tag level: 1
 
-  port.where { address !~ /^(127\.|::1)$/ }.ports.each do |port|
+  port.where { address !~ /^(127\.[0-9]+\.[0-9]+\.[0-9]+|::1)$/ }.ports.each do |port|
     describe "Firewall rule should exist for port #{port}" do
       subject { ip6tables.retrieve_rules.any? { |s| s =~ /\s--(dport|dports) #{port}\s/ } }
       it { should be true }
@@ -214,7 +214,7 @@
   tag cis: 'distribution-independent-linux:3.5.2.4'
   tag level: 1
 
-  port.where { address !~ /^(127\.|::1)$/ }.ports.each do |port|
+  port.where { address !~ /^(127\.[0-9]+\.[0-9]+\.[0-9]+|::1)$/ }.ports.each do |port|
     describe "Firewall rule should exist for port #{port}" do
       subject { iptables.retrieve_rules.any? { |s| s =~ /\s--(dport|dports) #{port}\s/ } }
       it { should be true }