X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=modules%2Fnamed%2Fmanifests%2Finit.pp;h=9f1c7f908faee7a6a6a200863eaae1d693f390ea;hb=52ab75241aa59786d9cf7af14dc99c8ee1641483;hp=28a666b5a1b5ce2f78f467de98f09adc478fda64;hpb=3eb533e5499e66423bafdedaf6c7d08ead1772de;p=mirror%2Fdsa-puppet.git

diff --git a/modules/named/manifests/init.pp b/modules/named/manifests/init.pp
index 28a666b5a..9f1c7f908 100644
--- 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
 	}
@@ -10,12 +16,34 @@ class named {
 		ensure => running,
 	}
 
-	@ferm::rule { 'dsa-bind':
+	@ferm::rule { '00-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 { '01-dsa-bind':
 		domain      => '(ip ip6)',
 		description => 'Allow nameserver access',
 		rule        => '&TCP_UDP_SERVICE(53)'
 	}
 
+	@ferm::rule { 'dsa-bind-notrack':
+		domain      => '(ip ip6)',
+		description => 'NOTRACK for nameserver traffic',
+		table       => 'raw',
+		chain       => 'PREROUTING',
+		rule        => 'proto (tcp udp) dport 53 jump NOTRACK'
+	}
+
+	@ferm::rule { 'dsa-bind-notrack-out':
+		domain      => '(ip ip6)',
+		description => 'NOTRACK for nameserver traffic',
+		table       => 'raw',
+		chain       => 'OUTPUT',
+		rule        => 'proto (tcp udp) sport 53 jump NOTRACK'
+	}
+
 	file { '/var/log/bind9':
 		ensure => directory,
 		owner  => bind,