How to allow/deny access to your website based on the visitor’s browser?

Using Apache .htaccess rules you can deny a visitor depending on his/her browser identification. For example to deny Opera browser accessing your site you can use the following rules:

If you wonder what string to use you should check your site access log. We have decided to use opera in the above example because of the following example: - - [07/Jul/2018:05:42:25 -0500] "GET /favicon.ico HTTP/1.1" 404 4503 "" "Opera/9.64 (X11; Linux i686; U; en) Presto/2.1.1"

In fact you can use any of the bold text in order to create a filter.

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