[Help Me] Convert htaccess to nginx

May 2, 2016 1.1k views
Apache Nginx
zainaljelek
By:
zainaljelek

I want to convert this to nginx rules

RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http(s)?://(www.)?domain.com [NC]
RewriteRule .(jpg|jpeg|png|gif)$ - [NC,F,L]

I've tried to put this on the web but I can not even open.

if ($http_referer !~ "^$"){
set $rule_0 1$rule_0;
}
if ($http_referer !~* "^http(s)?://(www.)?domain.com"){
set $rule_0 2$rule_0;
}
if ($rule_0 = "21"){
return 403;
break;
}

I would like .htaccess above script can work smoothly in nginx.

if there is something wrong please correct. and show me the correct script ..

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1 Answer
kamaln7 MOD May 3, 2016

Hi!

I'm guessing these rules are there to stop people from hotlinking images hosted on your site? In some cases, writing the rules with nginx in mind is better than converting already-written htaccess/Apache rules.

Luckily, nginx supports referrer whitelisting by default. Use the following code:

location ~ .(gif|png|jpe?g)$ {
     valid_referers none blocked domain.com www.domain.com;
     if ($invalid_referer) {
        return 403;
    }
}

Make sure to restart nginx so that the changes take effect:

sudo service nginx restart

You can read more on nginx's referer module here.

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