Use fail2ban to block IPs getting repeated HTTP forbidden responses

[chef.git] / cookbooks / apache / recipes / default.rb

diff --git a/cookbooks/apache/recipes/default.rb b/cookbooks/apache/recipes/default.rb
index 925dda5ad250cc6ea8a5dabb9f5166da93a9768c..57d8019034ccd113083c6cbeee2534d702919c21 100644 (file)
--- a/cookbooks/apache/recipes/default.rb
+++ b/cookbooks/apache/recipes/default.rb
@@ -17,6 +17,9 @@
 # limitations under the License.
 #
 
+include_recipe "fail2ban"
+include_recipe "munin"
+include_recipe "prometheus"
 include_recipe "ssl"
 
 package %w[
@@ -49,7 +52,14 @@ template "/etc/apache2/ports.conf" do
   source "ports.conf.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
+end
+
+systemd_service "apache2" do
+  dropin "chef"
+  memory_high "50%"
+  memory_max "75%"
+  notifies :restart, "service[apache2]"
 end
 
 service "apache2" do
@@ -69,18 +79,17 @@ apache_module "status" do
   variables :hosts => admins["hosts"]
 end
 
-apache_module "deflate" do
-  conf "deflate.conf.erb"
+apache_module "evasive" do
+  conf "evasive.conf.erb"
+  only_if { node[:apache][:evasive] }
 end
 
-if node[:apache][:reqtimeout]
-  apache_module "reqtimeout" do
-    action [:enable]
-  end
-else
-  apache_module "reqtimeout" do
-    action [:disable]
-  end
+apache_module "brotli" do
+  conf "brotli.conf.erb"
+end
+
+apache_module "deflate" do
+  conf "deflate.conf.erb"
 end
 
 apache_module "headers"
@@ -90,6 +99,29 @@ apache_conf "ssl" do
   template "ssl.erb"
 end
 
+fail2ban_filter "apache-forbidden" do
+  failregex '^<ADDR> .* "[^"]*" 403 .*$'
+end
+
+fail2ban_jail "apache-forbidden" do
+  filter "apache-forbidden"
+  logpath "/var/log/apache2/access.log"
+  ports [80, 443]
+  maxretry 50
+end
+
 munin_plugin "apache_accesses"
 munin_plugin "apache_processes"
 munin_plugin "apache_volume"
+
+template "/var/lib/prometheus/node-exporter/apache.prom" do
+  source "apache.prom.erb"
+  owner "root"
+  group "root"
+  mode "644"
+end
+
+prometheus_exporter "apache" do
+  port 9117
+  options "--scrape_uri=http://localhost/server-status?auto"
+end