When you try to install the Let’s Encrypt certificate, you may receive the following message:
Error occurred: Status: invalid, Detail:, Type: http-01
It is most often caused by all traffic being redirected from http to https and / or redirected to the index.php file in order to use simple, friendly URL links (not containing the characters “?”, “&”, “=” Etc. )
If there are RewriteCond and RewriteRule rules in the .htaccess file, try adding a rule:
RewriteCond% {REQUEST_URI}! ^ / \. Well-known / acme-challenge / [0-9a-zA-Z _-] + $
The rule above is responsible for redirecting to https or to the index.php file. An example configuration of a .htaccess file with additional rules already inserted may look like this:
#example 1 - redirect from http to https
RewriteCond% {HTTPS}! = On
RewriteCond% {REQUEST_URI}! ^ / \. Well-known / acme-challenge / [0-9a-zA-Z _-] + $
RewriteRule ^. * $ Https: //% {SERVER_NAME}% {REQUEST_URI} [R, L]
#example 2 - redirection to "friendly" links
RewriteCond% {REQUEST_URI}! ^ / Index \ .php
RewriteCond% {REQUEST_FILENAME}! -F
RewriteCond% {REQUEST_FILENAME}! -D
RewriteCond% {REQUEST_URI}! ^ / \. Well-known / acme-challenge / [0-9a-zA-Z _-] + $
RewriteRule. * Index.php [L]
You should also remember that the selected domain when installing Let’s Encrypt correctly points to our servers. When redirecting individual DNS records, remember about the www subdomain. and mail.
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