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! w; w! N9 W9 h9 |& s: S$ ^ 目前除了我们常见的搜索引擎如百度、Google、Sogou、360等搜索引擎之外，还存在其他非常多的搜索引擎，通常这些搜索引擎不仅不会带来流量，因为大量的抓取请求，还会造成主机的CPU和带宽资源浪费，屏蔽方法也很简单，按照下面步骤操作即可，原理就是分析指定UA然后屏蔽。
) m* \" s& J; e* o, [ 宝塔面板下使用方法如下：1、找到文件目录/www/server/nginx/conf文件夹下面，新建一个文件命名：agent_deny.conf 你也可以随意起名，创建完文件后，点击编辑这个文件，把下面的代码放进去保存。 1 @+ f* f6 O: n* Z& k9 ]2 ?: K# S
（天辰重新收集整理，是为止目前也是最全的，最完善的代码）#禁止Scrapy等工具的抓取4 P! A* w2 ]7 E+ ~$ N [
if ($http_user_agent ~* (Scrapy|Curl|HttpClient|crawl|curb|git|Wtrace)) {5 X" i8 S8 J+ A1 o6 b
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return 403;" a* Q9 c9 v2 n8 p$ t# V2 F
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#禁止指定UA及UA为空的访问
- x9 Y7 H7 U* a, Y8 Z1 [6 U- N if ($http_user_agent ~* "CheckMarkNetwork|Synapse|Nimbostratus-Bot|Dark|scraper|LMAO|Hakai|Gemini|Wappalyzer|masscan|crawler4j|Mappy|Center|eright|aiohttp|MauiBot|Crawler|researchscan|Dispatch|AlphaBot|Census|ips-agent|NetcraftSurveyAgent|ToutiaoSpider|EasyHttp|Iframely|sysscan|fasthttp|muhstik|DeuSu|mstshash|HTTP_Request|ExtLinksBot|package|SafeDNSBot|CPython|SiteExplorer|SSH|MegaIndex|BUbiNG|CCBot|NetTrack|Digincore|aiHitBot|SurdotlyBot|null|SemrushBot|Test|Copied|ltx71|Nmap|DotBot|AdsBot|InetURL|Pcore-HTTP|PocketParser|Wotbox|newspaper|DnyzBot|redback|PiplBot|SMTBot|WinHTTP|Auto Spider 1.0|GrabNet|TurnitinBot|Go-Ahead-Got-It|Download Demon|Go!Zilla|GetWeb!|GetRight|libwww-perl|Cliqzbot|MailChimp|SMTBot|Dataprovider|XoviBot|linkdexbot|SeznamBot|Qwantify|spbot|evc-batch|zgrab|Go-http-client|FeedDemon|Jullo|Feedly|YandexBot|oBot|FlightDeckReports|Linguee Bot|JikeSpider|Indy Library|Alexa Toolbar|AskTbFXTV|AhrefsBot|CrawlDaddy|CoolpadWebkit|Java|UniversalFeedParser|ApacheBench|Microsoft URL Control|Swiftbot|ZmEu|jaunty|Python-urllib|lightDeckReports Bot|YYSpider|DigExt|HttpClient|MJ12bot|EasouSpider|LinkpadBot|Ezooms|^$" ) {
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# h7 V3 b' @6 s9 p4 Y6 v; W/ ^. o return 403;
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}
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#禁止非GET|HEAD|POST方式的抓取+ D* C* k# I3 _* V( t
if ($request_method !~ ^(GET|HEAD|POST)$) {2 ^% o$ ~% p& D- c2 L4 ~/ |
# o/ @0 C# l) Q8 r; q return 403;) T# }5 }/ _* K
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}
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2、找到【网站】-【设置】点击左侧 【配置文件】选项卡，在第7-8行左右 插入代码： 
6 }0 |, F$ a0 J' f& i include agent_deny.conf;( K9 z' O$ Z/ W# P! C
添加完毕后保存，重启nginx即可，这样这些蜘蛛或工具扫描网站的时候就会提示403禁止访问注意：如果你网站使用火车头采集发布，使用以上代码会返回403错误，发布不了的。
! H4 e0 }8 a+ s% Y, { 如果想使用火车头采集发布，请使用下面的代码：#禁止Scrapy等工具的抓取% \: u7 Z0 r, I7 n: e: r
if ($http_user_agent ~* (Scrapy|Curl|HttpClient|crawl|curb|git|Wtrace)) {) s1 V: k4 b2 m$ i
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return 403;
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# H+ o9 H+ c, | #禁止指定UA及UA为空的访问' d8 v! d" K0 l, Z; ?# W
if ($http_user_agent ~* "CheckMarkNetwork|Synapse|Nimbostratus-Bot|Dark|scraper|LMAO|Hakai|Gemini|Wappalyzer|masscan|crawler4j|Mappy|Center|eright|aiohttp|MauiBot|Crawler|researchscan|Dispatch|AlphaBot|Census|ips-agent|NetcraftSurveyAgent|ToutiaoSpider|EasyHttp|Iframely|sysscan|fasthttp|muhstik|DeuSu|mstshash|HTTP_Request|ExtLinksBot|package|SafeDNSBot|CPython|SiteExplorer|SSH|MegaIndex|BUbiNG|CCBot|NetTrack|Digincore|aiHitBot|SurdotlyBot|null|SemrushBot|Test|Copied|ltx71|Nmap|DotBot|AdsBot|InetURL|Pcore-HTTP|PocketParser|Wotbox|newspaper|DnyzBot|redback|PiplBot|SMTBot|WinHTTP|Auto Spider 1.0|GrabNet|TurnitinBot|Go-Ahead-Got-It|Download Demon|Go!Zilla|GetWeb!|GetRight|libwww-perl|Cliqzbot|MailChimp|SMTBot|Dataprovider|XoviBot|linkdexbot|SeznamBot|Qwantify|spbot|evc-batch|zgrab|Go-http-client|FeedDemon|Jullo|Feedly|YandexBot|oBot|FlightDeckReports|Linguee Bot|JikeSpider|Indy Library|Alexa Toolbar|AskTbFXTV|AhrefsBot|CrawlDaddy|CoolpadWebkit|Java|UniversalFeedParser|ApacheBench|Microsoft URL Control|Swiftbot|ZmEu|jaunty|Python-urllib|lightDeckReports Bot|YYSpider|DigExt|HttpClient|MJ12bot|EasouSpider|LinkpadBot|Ezooms ) {+ c7 q$ w, ~ x4 y
7 u% a1 _- ?- Q' J return 403;
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}
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#禁止非GET|HEAD|POST方式的抓取
4 Q0 Q+ w$ V9 q, G if ($request_method !~ ^(GET|HEAD|POST)$) {" G: J2 Z" u( ?
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return 403;
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}
! v: p- T* H5 F+ S: H0 K( _4 r( r3 j 设置完了可以用模拟爬去来看看有没有误伤了好蜘蛛，说明：以上屏蔽的蜘蛛名不包括以下常见的6大蜘蛛名：百度蜘蛛：Baiduspider谷歌蜘蛛：Googlebot必应蜘蛛：bingbot搜狗蜘蛛：Sogou web spider
7 B+ f0 _) x8 Y( Z0 Y/ V6 q 360蜘蛛：360Spider神马蜘蛛：YisouSpider爬虫常见的User-Agent如下：FeedDemon 内容采集5 ^+ T9 s% |; o# }# Z% U: g$ V
BOT/0.1 (BOT for JCE) sql注入7 q1 @( \) O e4 A
CrawlDaddy sql注入9 s4 l( o( N$ w1 y
Java 内容采集% S3 t3 @( O, D9 l- s" a2 g) _8 X! j
Jullo 内容采集6 F) Z- k, i; H* P- a
Feedly 内容采集
+ }: x: C6 E" n( r: z! H7 O UniversalFeedParser 内容采集
# F) \" M9 x& D ApacheBench cc攻击器! K$ _6 Z- g" P* e
Swiftbot 无用爬虫$ A; |; x+ c6 }) ^4 d) V0 O
YandexBot 无用爬虫5 ^7 C( c4 z W% d5 A4 ^
AhrefsBot 无用爬虫# x4 ~& ^/ _/ J9 c$ N# {0 |# w9 d
jikeSpider 无用爬虫6 n1 D* h! H7 ?& w1 E c( p" x! Z0 }3 C
MJ12bot 无用爬虫; B/ m2 V6 t) ^$ Q3 H; {
ZmEu phpmyadmin 漏洞扫描7 V; X$ [% U- w7 ~
WinHttp 采集cc攻击8 |4 e; r; f5 M% T3 n/ w, x
EasouSpider 无用爬虫) w' R( m1 b R- ?, `* Y) q; I3 k
HttpClient tcp攻击1 ?; V3 [4 S& ^: Q& G
Microsoft URL Control 扫描- k+ U5 N, p" ^ z4 y
YYSpider 无用爬虫
* t* T% [* o# ?5 M jaunty wordpress爆破扫描器
- i# ?7 L. _, p7 D0 e oBot 无用爬虫
# ], F2 Q# y0 U' x/ u* \5 K' I Python-urllib 内容采集/ N1 X& X7 J. \3 z4 F* u
Indy Library 扫描' _+ S+ z! P! w3 H
FlightDeckReports Bot 无用爬虫
* d% a5 ?; x1 m$ e5 A Linguee Bot 无用爬虫
. z$ ^4 V; }. \4 p6 T' h9 t+ P 来源：BT宝塔屏蔽垃圾搜索引擎蜘蛛以及采集扫描工具教程 9 l6 e* q5 p" ?2 k. j8 t4 ~5 g
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