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Why is my server redirecting URLs without a trailing slash to the server's IP address instead of keeping the domain
I’ve set up a droplet for a WordPress site using the provided 1-Click installer. This installs the latest LAMP stack along with Wordpress. I also created a SSL certificate for my site using
certbot. I’ve modified my HTTP virtual host file to always perform a redirect to HTTPS.
Everything works as expected except for this one strange behavior. If the trailing slash on the requested URL is not provided by the user, the server performs a 301 redirect to a URL which replaces my domain with the server’s IP address. For example, requesting https://subdomain.domain.com/forum forces a redirect to https://188.8.131.52/forum/. Since my SSL certificate is tied to my domain, it causes a big warning to appear in the browser. I’ve noticed this behavior will always happen regardless of the sub-directory (i.e. will also happen if trying to access http://subdomain.domain.com/wp-includes).
The ONLY exception I’ve noticed with this is when I created a
/test directory in the root and created a simple
index.html file to display “Hello World”. Trying to access https://subdomain.domain.com/test worked as expected and added the trailing slash without a redirect.
I’ve tried countless things in the
.htaccess files without luck. I’m not even confident these files will help. I’ve purposely put a line of garbage in them to see if they’re even active during this redirect and they’re not. The server won’t trigger an error unless I use a URL with a trailing slash. I’ve tried this experiment with the root
.htaccess file as well as the one in my
/forum directory. However, seeing as how my Hello World experiment was successful (without any
.htaccess file), I’m really stumped!
Just for the full background, I already have a fully function site at “domain.com” with a shared hosting provider. I’m experimenting with a migration to DO using this droplet. I’m fiddling around with both sites in my browser, so I’m hoping this isn’t an issue with cookies.
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