Nginx Block Sqlinjection

Nah saya Bagikan Script Nginx untuk block sqlinjection, caranya:

$ sudo vim /etc/nginx/sites-available/namawebsite.com.conf

tambah baris didalam server { } berikut:

server {
[...]

   ## Block SQL injections
   set $block_sql_injections 0;
   if ($query_string ~ "union.*select.*\(") {
       set $block_sql_injections 1;
   }
   if ($query_string ~ "union.*all.*select.*") {
       set $block_sql_injections 1;
   }
   if ($query_string ~ "concat.*\(") {
       set $block_sql_injections 1;
   }
   if ($block_sql_injections = 1) {
       return 403;
   }

   ## Block file injections
   set $block_file_injections 0;
   if ($query_string ~ "[a-zA-Z0-9_]=http://") {
       set $block_file_injections 1;
   }
   if ($query_string ~ "[a-zA-Z0-9_]=(\.\.//?)+") {
       set $block_file_injections 1;
   }
   if ($query_string ~ "[a-zA-Z0-9_]=/([a-z0-9_.]//?)+") {
       set $block_file_injections 1;
   }
   if ($block_file_injections = 1) {
       return 403;
   }

   ## Block common exploits
   set $block_common_exploits 0;
   if ($query_string ~ "(<|%3C).*script.*(>|%3E)") {
       set $block_common_exploits 1;
   }
   if ($query_string ~ "GLOBALS(=|\[|\%[0-9A-Z]{0,2})") {
       set $block_common_exploits 1;
   }
   if ($query_string ~ "_REQUEST(=|\[|\%[0-9A-Z]{0,2})") {
       set $block_common_exploits 1;
   }
   if ($query_string ~ "proc/self/environ") {
       set $block_common_exploits 1;
   }
   if ($query_string ~ "mosConfig_[a-zA-Z_]{1,21}(=|\%3D)") {
       set $block_common_exploits 1;
   }
   if ($query_string ~ "base64_(en|de)code\(.*\)") {
       set $block_common_exploits 1;
   }
   if ($block_common_exploits = 1) {
       return 403;
   }

   ## Block spam
   set $block_spam 0;
   if ($query_string ~ "\b(ultram|unicauca|valium|viagra|vicodin|xanax|ypxaieo)\b") {
       set $block_spam 1;
   }
   if ($query_string ~ "\b(erections|hoodia|huronriveracres|impotence|levitra|libido)\b") {
       set $block_spam 1;
   }
   if ($query_string ~ "\b(ambien|blue\spill|cialis|cocaine|ejaculation|erectile)\b") {
       set $block_spam 1;
   }
   if ($query_string ~ "\b(lipitor|phentermin|pro[sz]ac|sandyauer|tramadol|troyhamby)\b") {
       set $block_spam 1;
   }
   if ($block_spam = 1) {
       return 403;
   }

   ## Block user agents
   set $block_user_agents 0;

   # Don't disable wget if you need it to run cron jobs!
   #if ($http_user_agent ~ "Wget") {
   #    set $block_user_agents 1;
   #}

   # Disable Akeeba Remote Control 2.5 and earlier
   if ($http_user_agent ~ "Indy Library") {
       set $block_user_agents 1;
   }

   # Common bandwidth hoggers and hacking tools.
   if ($http_user_agent ~ "libwww-perl") {
       set $block_user_agents 1;
   }
   if ($http_user_agent ~ "GetRight") {
       set $block_user_agents 1;
   }
   if ($http_user_agent ~ "GetWeb!") {
       set $block_user_agents 1;
   }
   if ($http_user_agent ~ "Go!Zilla") {
       set $block_user_agents 1;
   }
   if ($http_user_agent ~ "Download Demon") {
       set $block_user_agents 1;
   }
   if ($http_user_agent ~ "Go-Ahead-Got-It") {
       set $block_user_agents 1;
   }
   if ($http_user_agent ~ "TurnitinBot") {
       set $block_user_agents 1;
   }
   if ($http_user_agent ~ "GrabNet") {
       set $block_user_agents 1;
   }

   if ($block_user_agents = 1) {
       return 403;
   }
   set $block_xss 0;
if ($query_string ~ "base64_(en|de)code\(.*\)") {
set $block_xss 1;
}
if ($request_uri ~ "base64_(en|de)code\(.*\)") {
set $block_xss 1;
}
if ($query_string ~ "(<|%3C).*script.*(>|%3E)") {
set $block_xss 1;
}
if ($request_uri ~ "(<|%3C).*script.*(>|%3E)") {
set $block_xss 1;
}
if ($query_string ~ "(<|%3C).*iframe.*(>|%3E)") {
set $block_xss 1;
}
if ($request_uri ~ "(<|%3C).*iframe.*(>|%3E)") {
set $block_xss 1;
}
if ($query_string ~ "GLOBALS(=|\[|\%[0-9A-Z]{0,2})") {
       set $block_xss 1;
}
if ($query_string ~ "_REQUEST(=|\[|\%[0-9A-Z]{0,2})") {
       set $block_xss 1;
}
if ($block_xss = 1) {
return 403;
}
   
[...]
}