modules/apache2/manifests/dynamic.pp

   1 class apache2::dynamic {
   2         ferm::rule { 'dsa-http-limit':
   3                 prio        => '20',
   4                 description => 'limit HTTP DOS',
   5                 chain       => 'http_limit',
   6                 domain      => '(ip ip6)',
   7                 rule        => 'mod limit limit-burst 60 limit 15/minute jump ACCEPT;
   8                                 jump DROP'
   9         }
  10
  11         ferm::rule { 'dsa-http-soso':
  12                 prio        => '21',
  13                 description => 'slow soso spider',
  14                 chain       => 'limit_sosospider',
  15                 domain      => '(ip ip6)',
  16                 rule        => 'mod connlimit connlimit-above 2 connlimit-mask 21 jump DROP;
  17                                 jump http_limit'
  18         }
  19
  20         ferm::rule { 'dsa-http-yahoo':
  21                 prio        => '21',
  22                 description => 'slow yahoo spider',
  23                 chain       => 'limit_yahoo',
  24                 domain      => '(ip ip6)',
  25                 rule        => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
  26                                 jump http_limit'
  27         }
  28
  29         ferm::rule { 'dsa-http-google':
  30                 prio        => '21',
  31                 description => 'slow google spider',
  32                 chain       => 'limit_google',
  33                 domain      => '(ip ip6)',
  34                 rule        => 'mod connlimit connlimit-above 2 connlimit-mask 19 jump DROP;
  35                                 jump http_limit'
  36         }
  37
  38         ferm::rule { 'dsa-http-bing':
  39                 prio        => '21',
  40                 description => 'slow bing spider',
  41                 chain       => 'limit_bing',
  42                 domain      => '(ip ip6)',
  43                 rule        => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
  44                           jump http_limit'
  45         }
  46
  47         ferm::rule { 'dsa-http-baidu':
  48                 prio        => '21',
  49                 description => 'slow baidu spider',
  50                 chain       => 'limit_baidu',
  51                 domain      => '(ip ip6)',
  52                 rule        => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
  53                                 jump http_limit'
  54         }
  55         ferm::rule { 'dsa-http-nhn':
  56                 prio        => '21',
  57                 description => 'slow nhn spider',
  58                 chain       => 'limit_nhn',
  59                 domain      => '(ip ip6)',
  60                 rule        => 'mod connlimit connlimit-above 2 connlimit-mask 16 jump DROP;
  61                                 jump http_limit'
  62         }
  63
  64         ferm::rule { 'dsa-http-rules':
  65                 prio        => '22',
  66                 description => 'http subchain',
  67                 chain       => 'http',
  68                 domain      => '(ip ip6)',
  69                 rule        => '
  70                                 saddr (74.6.22.182 74.6.18.240 67.195.0.0/16) jump limit_yahoo;
  71                                 saddr (124.115.0.0/21 119.63.192.0/21) jump limit_sosospider;
  72                                 saddr (65.52.0.0/14 207.46.0.0/16) jump limit_bing;
  73                                 saddr (66.249.64.0/19) jump limit_google;
  74                                 saddr (123.125.71.0/24 119.63.192.0/21 180.76.0.0/16 220.181.0.0/16) jump limit_baidu;
  75                                 saddr (119.235.237.024) jump limit_nhn;
  76
  77                                 mod recent name HTTPDOS update seconds 1800 jump log_or_drop;
  78                                 mod hashlimit hashlimit-name HTTPDOS hashlimit-mode srcip hashlimit-burst 600 hashlimit 30/minute jump ACCEPT;
  79                                 mod recent name HTTPDOS set jump log_or_drop'
  80         }
  81 }