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- nginx 另一WAF方式
- 2013-03-01 10:57 116人阅读 评论(0) 收藏 举报
- 使用方法：
- vi /usr/local/nginx/conf/drop_sql.conf
- 添加以下内容
- 代码:
- ## 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;
- }
-
- 在nginx.conf配置文件中的server段中加入
- include drop_sql.conf;
-
- 重新加载nginx配置文件即可生效
- /usr/local/nginx/sbin/nginx -s reload
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