Để chặn bot user-agent cộng code dưới vào file .htaccess
#block bad bots with a 403
SetEnvIfNoCase User-Agent "facebookexternalhit" bad_bot
SetEnvIfNoCase User-Agent "Twitterbot" bad_bot
SetEnvIfNoCase User-Agent "Baiduspider" bad_bot
SetEnvIfNoCase User-Agent "MetaURI" bad_bot
SetEnvIfNoCase User-Agent "mediawords" bad_bot
SetEnvIfNoCase User-Agent "FlipboardProxy" bad_bot
<Limit GET POST HEAD>
Order Allow,Deny
Allow from all
Deny from env=bad_bot
</Limit>
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Hoặc code này nếu muốn chuyển nó đến 1 trang khác:
#redirect bad bots to one page
RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} facebookexternalhit [NC,OR]
RewriteCond %{HTTP_USER_AGENT} Twitterbot [NC,OR]
RewriteCond %{HTTP_USER_AGENT} Baiduspider [NC,OR]
RewriteCond %{HTTP_USER_AGENT} MetaURI [NC,OR]
RewriteCond %{HTTP_USER_AGENT} mediawords [NC,OR]
RewriteCond %{HTTP_USER_AGENT} FlipboardProxy [NC]
RewriteCond %{REQUEST_URI} !\/nocrawler.htm
RewriteRule .* http://pichu.wap.sh [L]
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Pichu
[Admin]
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