netfilter DROP traffic from some mail abusers
[mirror/dsa-puppet.git] / modules / exim / manifests / mx.pp
index 2ef980b..dce0358 100644 (file)
@@ -13,6 +13,16 @@ class exim::mx inherits exim {
                notify  => Service['exim4'],
        }
 
+       # 20181010 many connections:
+       #  188.165.219.27
+       #  125.72.232.*
+       #  140.224.61.*
+       #  117.24.38.*
+       @ferm::rule { 'dsa-mail-abusers':
+               prio  => "000",
+               rule  => "saddr (188.165.219.27 125.72.232.0/24 140.224.61.0/24 117.24.38.0/24) DROP",
+       }
+
        # MXs used as smarthosts
        @ferm::rule { 'dsa-exim-submission':
                description => 'Allow SMTP',
@@ -42,7 +52,5 @@ class exim::mx inherits exim {
                                | EOF
                }
        }
-       file { '/etc/cron.d/dsa-email-virtualdomains':
-               ensure => absent,
-       }
+       file { '/etc/cron.d/dsa-email-virtualdomains': ensure => absent, }
 }