Local loopback is 127.0.0.0/8, not just 127.0.0.1

Signed-off-by: Bryan Endres <bryan@endres.io>
dev-sec · Mar 17, 2023 · ad53969 · ad53969
1 parent e1dc70a
commit ad53969
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\.0\.0\.1|::1)$/ }.ports.each do |port|
+  port.where { address !~ /^(127\.|::1)$/ }.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\.0\.0\.1|::1)$/ }.ports.each do |port|
+  port.where { address !~ /^(127\.|::1)$/ }.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 }