1 class apache2::dynamic {
2 ferm::rule { 'dsa-http-limit':
4 description => 'limit HTTP DOS',
7 rule => 'mod limit limit-burst 60 limit 15/minute jump ACCEPT;
11 ferm::rule { 'dsa-http-soso':
13 description => 'slow soso spider',
14 chain => 'limit_sosospider',
16 rule => 'mod connlimit connlimit-above 2 connlimit-mask 21 jump DROP;
20 ferm::rule { 'dsa-http-yahoo':
22 description => 'slow yahoo spider',
23 chain => 'limit_yahoo',
25 rule => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
29 ferm::rule { 'dsa-http-google':
31 description => 'slow google spider',
32 chain => 'limit_google',
34 rule => 'mod connlimit connlimit-above 2 connlimit-mask 19 jump DROP;
38 ferm::rule { 'dsa-http-bing':
40 description => 'slow bing spider',
41 chain => 'limit_bing',
43 rule => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
47 ferm::rule { 'dsa-http-baidu':
49 description => 'slow baidu spider',
50 chain => 'limit_baidu',
52 rule => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
55 ferm::rule { 'dsa-http-nhn':
57 description => 'slow nhn spider',
60 rule => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
64 if has_role('snapshot_web') {
65 ferm::rule { 'dsa-http-rules':
67 description => 'http subchain',
71 mod hashlimit hashlimit-name HTTPDOSPRE hashlimit-mode srcip hashlimit-burst 10 hashlimit 6/minute jump ACCEPT;
72 mod recent name HTTPDOS update seconds 900 jump log_or_drop;
73 mod hashlimit hashlimit-name HTTPDOS hashlimit-mode srcip hashlimit-burst 200 hashlimit 30/minute jump ACCEPT;
74 mod recent name HTTPDOS set jump log_or_drop'
77 ferm::rule { 'dsa-http-rules':
79 description => 'http subchain',
83 saddr (74.6.22.182 74.6.18.240 67.195.0.0/16) jump limit_yahoo;
84 saddr (124.115.0.0/21 119.63.192.0/21) jump limit_sosospider;
85 saddr (65.52.0.0/14 207.46.0.0/16) jump limit_bing;
86 saddr (66.249.64.0/19) jump limit_google;
87 saddr (123.125.71.0/24 119.63.192.0/21 180.76.0.0/16 220.181.0.0/16) jump limit_baidu;
88 saddr (119.235.237.024) jump limit_nhn;
90 mod recent name HTTPDOS update seconds 1800 jump log_or_drop;
91 mod hashlimit hashlimit-name HTTPDOS hashlimit-mode srcip hashlimit-burst 600 hashlimit 30/minute jump ACCEPT;
92 mod recent name HTTPDOS set jump log_or_drop'
96 ferm::rule { 'dsa-http':
98 description => 'Allow web access',
100 rule => 'proto tcp dport (http https 6081) jump http'