Nginx中防止SQL注入攻击的相关配置介绍

/plus/list.php?tid=19&mid=1124'

rewrite ^.*([;'<>]).* /error.html break;

if ( $query_string ~* ".*[;'<>].*" ){
return 404;
}

server {
## 禁SQL注入 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 444;
}
## 禁掉文件注入
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 444;
}
## 禁掉溢出攻击
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 444;
}
## 禁spam字段
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|bluespill|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 444;
}
## 禁掉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 $block_user_agents 1;
}
  if ($http_user_agent ~ "WebBench") {
    set $block_user_agents 1;
  }
  if ($http_user_agent ~ "ApacheBench") {
    set $block_user_agents 1;
  }
  if ($http_user_agent ~ ^$) {
    set $block_user_agents 1;
  }
  if ($http_user_agent ~ "Python-urllib") {
    set $block_user_agents 1;
  }
if ($block_user_agents = 1) {
return 444;
}
}