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         if has_role('snapshot_web') {
  65                 @ferm::rule { 'dsa-http-rules':
  66                         prio        => '22',
  67                         description => 'http subchain',
  68                         chain       => 'http',
  69                         domain      => '(ip ip6)',
  70                         rule        => '
  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'
  75                 }
  76         } else {
  77                 @ferm::rule { 'dsa-http-rules':
  78                         prio        => '22',
  79                         description => 'http subchain',
  80                         chain       => 'http',
  81                         domain      => '(ip ip6)',
  82                         rule        => '
  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;
  89
  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'
  93                 }
  94         }
  95
  96         @ferm::rule { 'dsa-http':
  97                 prio        => '23',
  98                 description => 'Allow web access',
  99                 domain      => '(ip ip6)',
 100                 rule        => 'proto tcp dport (http https 6081) jump http'
 101         }
 102 }