nginx屏蔽网络爬虫
Nginx 使用 sever 段规则屏蔽恶意 User Agent
对于做国内站的我来说，我不希望国外蜘蛛来访问我的网站，特别是个别垃圾蜘蛛，它们访问特别频繁。这些垃圾流量多了之后，严重浪费服务器的带宽和资源。通过判断user agent，在nginx中禁用这些蜘蛛可以节省一些流量，也可以防止一些恶意的访问。
#禁止指定UA及UA为空的访问
if ($http_user_agent ~* "CheckMarkNetwork|Synapse|Nimbostratus-Bot|Dark|scraper|LMAO|Hakai|Gemini|Wappalyzer|masscan|crawler4j|Mappy|Center|eright|aiohttp|MauiBot|Crawler|researchscan|Dispatch|AlphaBot|Census|ips-agent|NetcraftSurveyAgent|ToutiaoSpider|EasyHttp|Iframely|sysscan|fasthttp|muhstik|DeuSu|mstshash|HTTP_Request|ExtLinksBot|package|SafeDNSBot|CPython|SiteExplorer|SSH|MegaIndex|BUbiNG|CCBot|NetTrack|Digincore|aiHitBot|SurdotlyBot|null|SemrushBot|Test|Copied|ltx71|Nmap|DotBot|AdsBot|InetURL|Pcore-HTTP|PocketParser|Wotbox|newspaper|DnyzBot|redback|PiplBot|SMTBot|WinHTTP|Auto Spider 1.0|GrabNet|TurnitinBot|Go-Ahead-Got-It|Download Demon|Go!Zilla|GetWeb!|GetRight|libwww-perl|Cliqzbot|MailChimp|SMTBot|Dataprovider|XoviBot|linkdexbot|SeznamBot|Qwantify|spbot|evc-batch|zgrab|Go-http-client|FeedDemon|Jullo|Feedly|YandexBot|oBot|FlightDeckReports|Linguee Bot|JikeSpider|Indy Library|Alexa Toolbar|AskTbFXTV|AhrefsBot|CrawlDaddy|CoolpadWebkit|Java|UniversalFeedParser|ApacheBench|Microsoft URL Control|Swiftbot|ZmEu|jaunty|Python-urllib|lightDeckReports Bot|YYSpider|DigExt|HttpClient|MJ12bot|EasouSpider|LinkpadBot|Ezooms|qihoobot|Googlebot|Googlebot-Mobile|Googlebot-Image|Mediapartners-Google|Adsbot-Google|Feedfetcher-Google|Yahoo! Slurp|Yahoo! Slurp China|YoudaoBot|Sosospider|MSNBot|ia_archiver|Tomato Bot|Yisou|bingbot|YisouSpider|gptbot|^$" ) {
return 403;
}
