htaccess redirects not working after a while

[Miguel González]

Hi,

  I have the following setup:

  Apache SSL (proxy) ->  Varnish -> Apache non SSL (Wordpress backend)

  I have in place several redirects in htaccess so if someone wants to
reach the non-SSL site, is redirected to SSL:

  http://www.mydomain.com -> https://www.mydomain.com

  http://mydomain.com -> https://www.mydomain.com

  I do this with the following:

  RewriteCond %{HTTP_HOST} !^www.mydomain.com$ [NC]
  RewriteRule ^(.*)$ https://www.mydomain.com/$1 [L,R=301]

  However I realized that from time to time redirects stop working and I
have to purge the Varnish cache and then the redirects work again.

  Why is that?

  Regards,

  Miguel

 



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