设置网站Nginx来增强网站安全性

#禁止Scrapy等工具的抓取 
if ($http_user_agent ~* (Scrapy|Curl|HttpClient)) { 
    return 403; 
}
#禁止指定UA及UA为空的访问 
if ($http_user_agent ~ "WinHttp|WebZIP|FetchURL|node-superagent|java/|FeedDemon|Jullo|JikeSpider|Indy Library|Alexa Toolbar|AskTbFXTV|AhrefsBot|CrawlDaddy|Java|Feedly|Apache-HttpAsyncClient
    |UniversalFeedParser|ApacheBench|Microsoft URL Control|Swiftbot|ZmEu|oBot|jaunty|Python-urllib|lightDeckReports Bot|YYSpider
    |DigExt|HttpClient|MJ12bot|heritrix|EasouSpider|Ezooms|BOT/0.1|FlightDeckReports|Linguee Bot|^$" ) { 
    return 403;        
}
# 禁止非GET|HEAD|POST方式的抓取 
if ($request_method !~ ^(GET|HEAD|POST)$) { 
    return 403; 
}
#访问链接里含有 test 直接跳转到公安网
if ($request_uri ~* test=) {
    return 301 https://www.mps.gov.cn;
}
#请求这些敏感词时跳转下载10g文件
if ($request_uri ~* "(\.gz)|(\")|(\.tar)|(\.zip)|(\.sql)|(\.asp)|(\.rar)|(function)|($_GET)|(eval)|(\?php)|(config)|(\')|(\.bak)") {
    return 301 http://lg-dene.fdcservers.net/10GBtest.zip;
}