## Block SQL injectionsset $block_sql_injections 0;if ($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 injectionsset $block_file_injections 0;if ($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 exploitsset $block_common_exploits 0;if ($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 spamset $block_spam 0;if ($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 agentsset $block_user_agents 0;# Don't disable wget if you need it to run cron jobs!#if ($http_user_agent ~ "Wget") {# set $block_user_agents 1;#}# Disable Akeeba Remote Control 2.5 and earlierif ($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nginx.conf配置文件中的server段中加入

重新加载nginx配置文件即可生效