简单的禁止CURL 访问服务器nginx

user  nobody;
worker_processes  1;

error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    use  epoll;   #epoll是多路复用IO
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  logs/access.log;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    gzip  on;
    gzip_min_length 1100;
    gzip_buffers 4 8k;
    gzip_types text/plain;
    output_buffers 1 32k;
    postpone_output 1460;

    #设定请求缓冲
    client_header_buffer_size 1k;
    large_client_header_buffers 4 4k;
    
    server {
        listen       80;
        server_name  dev.centos.com;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;
        
       root   /www;
       index  index.php index.html index.html
       charset utf8;
      
       location / {
    

                # First attempt to serve request as file, then

                # as directory, then fall back to index.html

                try_files $uri $uri/ /index.php;

                # Uncomment to enable naxsi on this location

                # include naxsi.rules
        
         rewrite ^/(.*)$ /index.php/$1 last;
        

        } 
        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        location ~ \.(php|php5) {
            root /www;
        fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            include        fastcgi_params;
       
            if ( $http_user_agent ~ ^$){#禁止空user-agent
            return 503;
        }
        if ($http_user_agent ~* "curl"){#禁止curl访问
            return 404;
        }
         if ( $http_user_agent ~* "Mozilla/4.0\ \(compatible;\ MSIE\ 6.0;\ Windows\ NT\ 5.1;\ SV1;\ .NET\ CLR\ 2.050727;\ .NET\ CLR\ 3.0.4506.2152;\ .NET\ CLR\ 3.5.30729\)" ){   
              return 503; 
        }
        }

    #设定查看nginx状态地址
        location /NginxStatus{
        access_log on;
                auth_basic  "NginxStatus";
        auth_basic_user_file conf/htpasswd;
    }

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443;
    #    server_name  localhost;

    #    ssl                  on;
    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_timeout  5m;

    #    ssl_protocols  SSLv2 SSLv3 TLSv1;
    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers   on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}
    include vhost/*.conf;
}