add an anti-ddos rule

[mirror/dsa-puppet.git] / modules / named / manifests / init.pp

diff --git a/modules/named/manifests/init.pp b/modules/named/manifests/init.pp
index a9a200f..a2dde9d 100644 (file)
--- a/modules/named/manifests/init.pp
+++ b/modules/named/manifests/init.pp
@@ -2,6 +2,12 @@ class named {
 
        munin::check { 'bind': }
 
+       site::aptrepo { 'bind-ratelimit':
+               url        => 'http://db.debian.org/debian-admin',
+               suite      => 'bind-ratelimit',
+               components => 'main',
+       }
+
        package { 'bind9':
                ensure => installed
        }
@@ -10,6 +16,12 @@ class named {
                ensure => running,
        }
 
+       @ferm::rule { 'dsa-bind-no-ddos-any':
+               domain      => '(ip ip6)',
+               description => 'Allow nameserver access',
+               rule        => 'proto udp dport 53 mod string from 32 to 64 algo bm hex-string \'|0000ff0001|\' jump DROP'
+       }
+
        @ferm::rule { 'dsa-bind':
                domain      => '(ip ip6)',
                description => 'Allow nameserver access',