Wordpress Multisite with Wildcard Certificates not mapping correctly

wordpress.stackexchange https://wordpress.stackexchange.com/questions/337727

Question

I have set up a Wordpress Multisite with LAMP successfully and it currently has the following structure

  • a.com (wordpress primary domain)
    1. a1.a.com
  • b.com
    1. b1.b.com
    2. b2.b.com
    3. b3.b.com
  • c.com

I created virtual hosts configurations for the three domains mapping to the same WordPress Multisite directory, and I am running the WordPress MU Domain Mapping plugging to handle redirections and so far has been working great with http.

Then I created the certificates for https:

  • cert 1 => a.com, *.a.com
  • cert 2 => b.com, *.b.com
  • cert 3 => c.com

And set automatic https redirecting in the virtualhost configuration for all the domains.

Current status:

  • a.com and a1.a.com are working with https, but a1.a.com required plugins for redirection from http to https.
  • b.com is working with https
  • b.com subdomains are not working with https, pluggins have led to use *.a.com certificate which results in security warning for all sites.
  • c.com is working with https.

Can someone please help me understand where can the problem be?

I'm thinking about creating a virtual host configuration for each subdomain in b.com, but it will be more like a patch than a fix.

Was it helpful?

Solution

It seems that I was getting wrong the virtual host configuration file to redirect all http requests to https

This is my current working configuration:

/etc/apache2/sites-available/a.com.conf

<VirtualHost *:80>
    ServerAdmin admin@a.com
    ServerName a.com
    ServerAlias *.a.com
    DocumentRoot /var/www/a.com/html
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
RewriteEngine on
RewriteCond %{SERVER_NAME} =a1.a.com [OR]
RewriteCond %{SERVER_NAME} =a.com
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]
</VirtualHost>

/etc/apache2/sites-available/a.com-le-ssl.conf

<IfModule mod_ssl.c>
<VirtualHost *:443>
    ServerAdmin admin@a.com
    ServerName a.com
    ServerAlias *.a.com
    DocumentRoot /var/www/a.com/html
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined

Include /etc/letsencrypt/options-ssl-apache.conf
SSLCertificateFile /etc/letsencrypt/live/a.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/a.com/privkey.pem
</VirtualHost>
</IfModule>

However it is required to update the virtual host configuration RewriteCond %{SERVER_NAME} =a1.a.com [OR] for every subdomain I need, therefore the process is not automated.

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