国外VPS的nginx如何防止xss和sql注入

云服务器 2026-01-21 13:03 42

国外VPS的nginx防止xss和sql注入的方法:

将以下nginx配置文件代码放入到对应站点的.conf配置文件server里，重启nginx即可，代码如下：

if($request_method!~*GET|POST){return444;}

#使用444错误代码减轻服务器负载压力

#防止sql注入

if($query_string~*(\$|‘|C|[+|(%20)]union[+|(%20)]|[+|(%20)]insert[+|(%20)]|[+|(%20)]drop[+|(%20)]|[+|(%20)]truncate[+|(%20)]|[+|(%20)]update[+|(%20)]|[+|(%20)]from[+|(%20)]|[+|(%20)]grant[+|(%20)]|[+|(%20)]exec[+|(%20)]|[+|(%20)]where[+|(%20)]|[+|(%20)]select[+|(%20)]|[+|(%20)]and[+|(%20)]|[+|(%20)]or[+|(%20)]|[+|(%20)]count[+|(%20)]|[+|(%20)]exec[+|(%20)]|[+|(%20)]chr[+|(%20)]|[+|(%20)]mid[+|(%20)]|[+|(%20)]like[+|(%20)]|[+|(%20)]iframe[+|(%20)]|[\<|%3c]script[\>|%3e]|javascript|alert|webscan|dbappsecurity|style|confirm\(|innerhtml|innertext)(.*)$){return555;}

if($uri~*(/~).*){return501;}

if($uri~*(\\x.)){return501;}

#防止sql注入

if($query_string~*“[;’<>].*“){return509;}

if($request_uri~““){return509;}

if($request_uri~(\/\.+)){return509;}

if($request_uri~(\.+\/)){return509;}

#if($uri~*(insert|select|delete|update|count|master|truncate|declare|exec|\*|\’)(.*)$){return503;}

#防止sql注入

if($request_uri~*“(cost\()|(concat\()“){return504;}

if($request_uri~*“[+|(%20)]union[+|(%20)]“){return504;}

if($request_uri~*“[+|(%20)]and[+|(%20)]“){return504;}

if($request_uri~*“[+|(%20)]select[+|(%20)]“){return504;}

if($request_uri~*“[+|(%20)]or[+|(%20)]“){return504;}

if($request_uri~*“[+|(%20)]delete[+|(%20)]“){return504;}

if($request_uri~*“[+|(%20)]update[+|(%20)]“){return504;}

if($request_uri~*“[+|(%20)]insert[+|(%20)]“){return504;}

if($query_string~“(<|%3C).*script.*(>|%3E)“){return505;}

if($query_string~“GLOBALS(=|\[|\%[0C9ACZ]{0,2})“){return505;}

if($query_string~“_REQUEST(=|\[|\%[0C9ACZ]{0,2})“){return505;}

if($query_string~“proc/self/environ“){return505;}

if($query_string~“mosConfig_[aCzACZ_]{1,21}(=|\%3D)“){return505;}

if($query_string~“base64_(en|de)code$.*$“){return505;}

if($query_string~“[aCzACZ0C9_]=http://”){return506;}

if($query_string~“[a-zA-Z0-9_]=(\.\.//?)+”){return506;}

if($query_string~“[a-zA-Z0-9_]=/([a-z0-9_.]//?)+”){return506;}

if($query_string~“b(ultram|unicauca|valium|viagra|vicodin|xanax|ypxaieo)b”){return507;}

if($query_string~“b(erections|hoodia|huronriveracres|impotence|levitra|libido)b”){return507;}

if($query_string~“b(ambien|bluespill|cialis|cocaine|ejaculation|erectile)b”){return507;}

if($query_string~“b(lipitor|phentermin|pro[sz]ac|sandyauer|tramadol|troyhamby)b”){return507;}

#根据自身情况添加删减上述判断参数，cURL、wget这类的屏蔽有点儿极端

if($http_user_agent~*YisouSpider|ApacheBench|WebBench|Jmeter|JoeDog|Havij|GetRight|TurnitinBot|GrabNet|masscan|mail2000|github|wget|curl|Java|python){return508;}

#同上，根据自身站点实际情况来添加删减下面的屏蔽拦截参数

if($http_user_agent~*“Go-Ahead-Got-It”){return508;}

if($http_user_agent~*“GetWeb!”){return508;}

if($http_user_agent~*“Go!Zilla”){return508;}

if($http_user_agent~*“DownloadDemon”){return508;}

if($http_user_agent~*“IndyLibrary”){return508;}

if($http_user_agent~*“libwww-perl”){return508;}

if($http_user_agent~*“NmapScriptingEngine”){return508;}

if($http_user_agent~*“~17ce.com”){return508;}

if($http_user_agent~*“WebBench*”){return508;}

if($http_user_agent~*“spider”){return508;}#这个会影响国内某些搜索引擎爬虫，比如：搜狗

#拦截各恶意请求的UA，可以通过分析站点日志文件或者waf日志作为参考配置

if($http_referer~*xxx.com){return509;}

#拦截xxx.com站点测速节点的请求

if($http_referer~*WebBench*“){return509;}

#拦截WebBench或者类似压力测试工具

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