X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=modules%2Fnamed%2Fmanifests%2Finit.pp;h=da2313c138f12bf12f90ab0732a1df949420c7ad;hb=683ffc212c9c3a4d7e4a4ff98c94fb52a75a02ca;hp=8cfa4080c24542bc8a690a1cd7604dcc53e4e8e8;hpb=026d1beb941daad6cf3a1a248fbd031c9b2dcf64;p=mirror%2Fdsa-puppet.git

diff --git a/modules/named/manifests/init.pp b/modules/named/manifests/init.pp
index 8cfa4080c..da2313c13 100644
--- a/modules/named/manifests/init.pp
+++ b/modules/named/manifests/init.pp
@@ -1,37 +1,65 @@
 class named {
-    activate_munin_check {
-        "bind":;
-    }
-
-    package {
-        bind9: ensure => installed;
-    }
-
-    exec {
-        "bind9 restart":
-            path        => "/etc/init.d:/usr/bin:/usr/sbin:/bin:/sbin",
-            refreshonly => true,
-            ;
-        "bind9 reload":
-            path        => "/etc/init.d:/usr/bin:/usr/sbin:/bin:/sbin",
-            refreshonly => true,
-            ;
-    }
-    file {
-        "/var/log/bind9":
-            ensure  => directory,
-            owner   => bind,
-            group   => bind,
-            mode    => 775,
-            ;
-    }
-    @ferm::rule { "dsa-bind":
-        domain          => "(ip ip6)",
-        description     => "Allow nameserver access",
-        rule            => "&TCP_UDP_SERVICE(53)"
-    }
-}
+	munin::check { 'bind': }
+
+	site::aptrepo { 'bind-ratelimit':
+		url        => 'http://db.debian.org/debian-admin',
+		suite      => 'bind-ratelimit',
+		components => 'main',
+	}
+
+	package { 'bind9':
+		ensure => installed
+	}
+
+	service { 'bind9':
+		ensure => running,
+	}
+
+	@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'
+	}
 
-# vim:set et:
-# vim:set sts=4 ts=4:
-# vim:set shiftwidth=4:
+	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':
+		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,
+		group  => bind,
+		mode   => '0775',
+	}
+}