nginx防止sql注入攻击安全设置

cat security.conf 
## Block SQL injections
 if ($request_uri ~* "[+|(%20)]union[+|(%20)]") {
 return 404;
 }
 if ($request_uri ~* "[+|(%20)]and[+|(%20)]") {
 return 404;
 }
 if ($request_uri ~* "[+|(%20)]select[+|(%20)]") {
 return 404;
 }
 if ( $query_string ~* ".*[;'<>].*" ){
 return 404;
 }
 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
 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 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 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;
 }

在虚拟主机的server中引用

include security.conf;

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