The below error will be seen in the ssl_error_log typically located in /var/log/httpd for numerous reasons. Below is an explanation of what two of those reasons might cause Apache to not start and how to resolve the problem.

Error Example:
[Sat Oct 25 22:38:33 2008] [warn] RSA server certificate is a CA certificate (BasicConstraints: CA == TRUE !?)
[Sat Oct 25 22:38:33 2008] [warn] RSA server certificate CommonName (CN) `server1.example.com’ does NOT match server name!?

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There are a couple things that need to be considered when creating an htaccess file to redirect all traffic from a domain to www.domain. Follow the instructions below to make sure you have your bases covered and traffic is redirected properly.

1. mod rewrite:Make sure the rewrite_module is being loaded. You should see a line like the following in your apache configuration file (typically /etc/httpd/conf/httpd.conf).

LoadModule rewrite_module modules/mod_rewrite.so

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Tags: .htaccess, apache, DocumentRoot, httpd.conf, mod_rewrite, rewrite, ReWriteCond, RewriteEngine

This error was displayed in Apache’s error.log after an ISPConfig installation. Initially the problem was thought to be with perl’s DATE::FORMAT however that ended up not being the case. Somehow the httpd.conf file in /etc/httpd/conf/ got corrupted on the LogFormat line as shown below.

corrupt-httpd.conf

It should look like this:

httpd.conf

So if you are seeing a similar error the problem is more than likely with the LogFormat statement in httpd.conf. Also make sure your vlogger is installed properly by typing “which vlogger”.