1 class apache2::dynamic {
2 @ferm::rule { 'dsa-http-limit':
4 description => 'limit HTTP DOS',
6 rule => 'mod limit limit-burst 60 limit 15/minute jump ACCEPT;
10 @ferm::rule { 'dsa-http-soso':
12 description => 'slow soso spider',
13 chain => 'limit_sosospider',
14 rule => 'mod connlimit connlimit-above 2 connlimit-mask 21 jump DROP;
18 @ferm::rule { 'dsa-http-yahoo':
20 description => 'slow yahoo spider',
21 chain => 'limit_yahoo',
22 rule => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
26 @ferm::rule { 'dsa-http-google':
28 description => 'slow google spider',
29 chain => 'limit_google',
30 rule => 'mod connlimit connlimit-above 2 connlimit-mask 19 jump DROP;
34 @ferm::rule { 'dsa-http-bing':
36 description => 'slow bing spider',
37 chain => 'limit_bing',
38 rule => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
42 @ferm::rule { 'dsa-http-baidu':
44 description => 'slow baidu spider',
45 chain => 'limit_baidu',
46 rule => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
50 @ferm::rule { 'dsa-http-rules':
52 description => 'http subchain',
55 saddr (74.6.22.182 74.6.18.240 67.195.0.0/16) jump limit_yahoo;
56 saddr (124.115.0.0/21 119.63.192.0/21) jump limit_sosospider;
57 saddr (65.52.0.0/14 207.46.0.0/16) jump limit_bing;
58 saddr (66.249.64.0/19) jump limit_google;
59 saddr (123.125.71.0/24 119.63.192.0/21 180.76.0.0/16 220.181.0.0/16) jump limit_baidu;
61 mod recent name HTTPDOS update seconds 1800 jump log_or_drop;
62 mod hashlimit hashlimit-name HTTPDOS hashlimit-mode srcip hashlimit-burst 600 hashlimit 30/minute jump ACCEPT;
63 mod recent name HTTPDOS set jump log_or_drop'
66 @ferm::rule { 'dsa-http':
68 description => 'Allow web access',
69 rule => 'proto tcp dport (http https) jump http'