Knowledge Base Archives: Warnings & Errormessages

Redirect Loops Redirect rules Warnings & Errormessages

htaccess redirect to https may cause redirect to 401.shtml when using password protection

When using the .htaccess for password protection in combination with the .htaccess 301 redirect to https in Really Simple SSL, a redirect to https://domain.com/401.shtml might occur. A simple solution which has been reported to work is to add ErrorDocument 401 default To the top of your .htaccess, so the end result looks like this (the …

SSL certificate Warnings & Errormessages

err_ssl_protocol_error

err_ssl_protocol_error The err_ssl_protocol_error is usually caused by a failure to securely communicate with the server and often has to do with the server configuration. For any SSL related error there are a number of steps to finding the cause of the issue. The first step is clearing your browsers cache. If that doesn’t help, the …

SSL certificate Warnings & Errormessages

ssl_error_bad_cert_domain

ssl_error_bad_cert_domain the ssl_error_bad_cert_domain error is shown when the domain name on the certificate doesn’t match the domain of your site. A lot of hosting providers will have a default SSL certificate installed using their own domain. When visiting a site that doesn’t have it’s own certificate installed this error occurs. To test this you can …

SSL certificate Warnings & Errormessages

err_ssl_unrecognized_name_alert

err_ssl_unrecognized_name_alert This error means that the name on the certificate is not recognized and is usually caused by a SSL configuration error. The first thing to do is to check for any errors in your certificate using the Qualys SSL Labs scan. If there are any issues with your certificate the scan will tell you. …

SSL certificate Warnings & Errormessages

err_SSL_VERSION_OR_CIPHER_MISMATCH

err_SSL_VERSION_OR_CIPHER_MISMATCH This error means that the server and client (browser) are unable to establish a secure connection between them. To establish a secure connection between the server and client they need to have a cipher in common to understand each-others messages. If the ciphers don’t match the server and client can’t communicate and it results …