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diff --git a/modules/apache2/manifests/dynamic.pp b/modules/apache2/manifests/dynamic.pp
new file mode 100644
index 000000000..0b4b144d5
--- /dev/null
+++ b/modules/apache2/manifests/dynamic.pp
@@ -0,0 +1,71 @@
+class apache2::dynamic {
+	@ferm::rule { 'dsa-http-limit':
+		prio        => '20',
+		description => 'limit HTTP DOS',
+		chain       => 'http_limit',
+		rule        => 'mod limit limit-burst 60 limit 15/minute jump ACCEPT;
+		                jump DROP'
+	}
+
+	@ferm::rule { 'dsa-http-soso':
+		prio        => '21',
+		description => 'slow soso spider',
+		chain       => 'limit_sosospider',
+		rule        => 'mod connlimit connlimit-above 2 connlimit-mask 21 jump DROP;
+		                jump http_limit'
+	}
+
+	@ferm::rule { 'dsa-http-yahoo':
+		prio        => '21',
+		description => 'slow yahoo spider',
+		chain       => 'limit_yahoo',
+		rule        => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
+		                jump http_limit'
+	}
+
+	@ferm::rule { 'dsa-http-google':
+		prio        => '21',
+		description => 'slow google spider',
+		chain       => 'limit_google',
+		rule        => 'mod connlimit connlimit-above 2 connlimit-mask 19 jump DROP;
+		                jump http_limit'
+	}
+
+	@ferm::rule { 'dsa-http-bing':
+		prio        => '21',
+		description => 'slow bing spider',
+		chain       => 'limit_bing',
+		rule        => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
+	                  jump http_limit'
+	}
+
+	@ferm::rule { 'dsa-http-baidu':
+		prio        => '21',
+		description => 'slow baidu spider',
+		chain       => 'limit_baidu',
+		rule        => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
+		                jump http_limit'
+	}
+
+	@ferm::rule { 'dsa-http-rules':
+		prio        => '22',
+		description => 'http subchain',
+		chain       => 'http',
+		rule        => '
+		                saddr ( 74.6.22.182 74.6.18.240 67.195.0.0/16 ) jump limit_yahoo;
+		                saddr 124.115.0.0/21 jump limit_sosospider;
+		                saddr (65.52.0.0/14 207.46.0.0/16) jump limit_bing;
+		                saddr (66.249.64.0/19) jump limit_google;
+		                saddr (123.125.71.0/24 119.63.192.0/21 180.76.0.0/16) jump limit_baidu;
+
+		                mod recent name HTTPDOS update seconds 1800 jump log_or_drop;
+		                mod hashlimit hashlimit-name HTTPDOS hashlimit-mode srcip hashlimit-burst 600 hashlimit 30/minute jump ACCEPT;
+		                mod recent name HTTPDOS set jump log_or_drop'
+	}
+
+	@ferm::rule { 'dsa-http':
+		prio        => '23',
+		description => 'Allow web access',
+		rule        => 'proto tcp dport (http https) jump http'
+	}
+}