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Старый 08.12.2019, 22:02   #1
Академик
 
Регистрация: 11.01.2011
Адрес: Internet
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По умолчанию Не блокируются много соединений с одного IP

Всем привет!

Прошу небольшой помощи по iptables. Пытаюсь заблокировать более n соединений с одного IP. Делаю так:

iptables -I INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -m connlimit --connlimit-above 5 --connlimit-mask 32 --connlimit-saddr -j DROP

Это правило у меня размещено самым первым. Но по какой-то причине оно не работает, т.к. боты долбятся по 20 раз в секунду и ничего им нет...

Подскажите, как видоизменить правило, чтобы оно стало действовать?

Заранее спасибо!
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Старый 10.12.2019, 12:38   #2
netwind
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По умолчанию Re: Не блокируются много соединений с одного IP

mark2011, нужно больше информации что значит "боты долбятся".
если боты долбятся в http и сервер им быстро отвечает, то 20 запросов в секунду на одном соединении сделать без проблем можно. А значит блокировать надо на веб-сервере.
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Старый 11.12.2019, 13:09   #3
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По умолчанию Re: Не блокируются много соединений с одного IP

Здравствуйте.
Если ваша конечная цель стоит заблокировать ботов, у вас есть несколько вариантов, которые будут работать хорошо:

Вариант №1 - блокировка через nginx.

Создайте файл с блокировками ботов:
В данном примере заблокированы боты semrushbot и ahrefsbot. Вы можете добавлять любые другие, которые вам досаждают.
touch /etc/nginx/vhosts-includes/antibot.conf
echo 'if ($http_user_agent ~* (semrushbot|ahrefsbot) ) {
return 403;
}' > /etc/nginx/vhosts-includes/antibot.conf

Перезагрузите nginx
service nginx reload

Вариант №2
Блокировка ботов через .htaccess
- Зайдите в свой аккаунт через FTP или SSH.
- Создайте файл .htaccess в корневой директории сайта.
- Внесите в файл блокировки описанные ниже.

Пример блокировки для user-agent AhrefsBot, SemrushBot и Any_other_user_agent.
Вы можете добавлять в блокировку любое свое значение user-agent, найденное в access логах сайта.
В примере ниже также заблокированы некоторых ботов, которые в сети зарекомендовали себя как вредоносные.

RewriteEngine on
# Начало блокировкам ботов
RewriteCond %{HTTP_USER_AGENT} ^.*(AhrefsBot|SemrushBot|Any_other_user_agent).*$ [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Mozilla.*Indy" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Mozilla.*NEWT" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^$" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Maxthon$" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^SeaMonkey$" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Acunetix" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^binlar" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^BlackWidow" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Bolt 0" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^BOT for JCE" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Bot mailto\:craftbot@yahoo\.com" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^casper" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^checkprivacy" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^ChinaClaw" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^clshttp" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^cmsworldmap" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Custo" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Default Browser 0" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^diavol" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^DIIbot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^DISCo" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^dotbot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Download Demon" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^eCatch" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^EirGrabber" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^EmailCollector" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^EmailSiphon" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^EmailWolf" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Express WebPictures" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^extract" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^ExtractorPro" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^EyeNetIE" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^feedfinder" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^FHscan" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^FlashGet" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^flicky" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^g00g1e" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^GetRight" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^GetWeb\!" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Go\!Zilla" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Go\-Ahead\-Got\-It" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^grab" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^GrabNet" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Grafula" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^harvest" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^HMView" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Image Stripper" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Image Sucker" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^InterGET" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Internet Ninja" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^InternetSeer\.com" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^jakarta" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Java" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^JetCar" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^JOC Web Spider" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^kanagawa" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^kmccrew" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^larbin" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^LeechFTP" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^libwww" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Mass Downloader" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^microsoft\.url" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^MIDown tool" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^miner" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Mister PiX" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^MSFrontPage" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Navroad" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^NearSite" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Net Vampire" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^NetAnts" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^NetSpider" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^NetZIP" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^nutch" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Octopus" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Offline Explorer" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Offline Navigator" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^PageGrabber" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Papa Foto" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^pavuk" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^pcBrowser" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^PeoplePal" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^planetwork" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^psbot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^purebot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^pycurl" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^RealDownload" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^ReGet" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Rippers 0" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^sitecheck\.internetseer\.com" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^SiteSnagger" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^skygrid" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^SmartDownload" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^sucker" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^SuperBot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^SuperHTTP" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Surfbot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^tAkeOut" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Teleport Pro" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Toata dragostea mea pentru diavola" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^turnit" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^vikspider" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^VoidEYE" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Web Image Collector" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebAuto" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebBandit" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebCopier" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebFetch" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebGo IS" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebLeacher" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebReaper" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebSauger" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Website eXtractor" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Website Quester" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebStripper" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebWhacker" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WebZIP" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Widow" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WPScan" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WWW\-Mechanize" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^WWWOFFLE" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Xaldon WebSpider" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^Zeus" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "^zmeu" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "360Spider" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "CazoodleBot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "discobot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "EasouSpider" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "ecxi" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "GT\:\:WWW" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "heritrix" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "HTTP\:\:Lite" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "HTTrack" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "ia_archiver" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "id\-search" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "IDBot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "Indy Library" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "IRLbot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "ISC Systems iRc Search 2\.1" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "LinksCrawler" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "LinksManager\.com_bot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "linkwalker" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "lwp\-trivial" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "MFC_Tear_Sample" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "Microsoft URL Control" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "Missigua Locator" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "MJ12bot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "panscient\.com" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "PECL\:\:HTTP" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "PHPCrawl" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "PleaseCrawl" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "SBIder" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "SearchmetricsBot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "Snoopy" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "Steeler" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "URI\:\:Fetch" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "urllib" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "Web Sucker" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "webalta" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "WebCollage" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "Wells Search II" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "WEP Search" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "XoviBot" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "YisouSpider" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "zermelo" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "ZyBorg" [NC,OR]
# Конец блокировкам ботов
# Начало блокировки по HTTP запросам
RewriteCond %{HTTP_REFERER} "^https?://(?:[^/]+\.)?semalt\.com" [NC,OR]
RewriteCond %{HTTP_REFERER} "^https?://(?:[^/]+\.)?kambasoft\.com" [NC,OR]
RewriteCond %{HTTP_REFERER} "^https?://(?:[^/]+\.)?savetubevideo\.com" [NC]
# Конец блокировки по HTTP запросам
RewriteRule ^.* - [F,L]
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