try to rolify dns

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

diff --git a/modules/named/manifests/init.pp b/modules/named/manifests/init.pp
index 8364791..da2313c 100644 (file)
--- a/modules/named/manifests/init.pp
+++ b/modules/named/manifests/init.pp
@@ -1,7 +1,12 @@
 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
        }
@@ -10,10 +15,29 @@ class named {
                ensure => running,
        }
 
-       @ferm::rule { 'dsa-bind':
+       @ferm::rule { '00-dsa-bind-no-ddos-any':
                domain      => '(ip ip6)',
                description => 'Allow nameserver access',
-               rule        => '&TCP_UDP_SERVICE(53)'
+               rule        => 'proto udp dport 53 mod string from 32 to 64 algo bm hex-string \'|0000ff0001|\' jump DROP'
+       }
+
+       if getfromhash($site::nodeinfo, 'dns_primary') {
+               @ferm::rule { '01-dsa-bind-4':
+                       domain      => '(ip)',
+                       description => 'Allow nameserver access',
+                       rule        => '&SERVICE_RANGE(tcp, 5671, $HOST_DEBIAN_V4)',
+               }
+               @ferm::rule { '01-dsa-bind-6':
+                       domain      => '(ip6)',
+                       description => 'Allow nameserver access',
+                       rule        => '&SERVICE_RANGE(tcp, 5671, $HOST_DEBIAN_V6)',
+               }
+       } else {
+               @ferm::rule { '01-dsa-bind':
+                       domain      => '(ip ip6)',
+                       description => 'Allow nameserver access',
+                       rule        => '&TCP_UDP_SERVICE(53)'
+               }
        }
 
        @ferm::rule { 'dsa-bind-notrack':
@@ -24,6 +48,14 @@ class named {
                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,