Ssl certificate name mismatch error

SSL Certificate Error – SSL Certificate Name Mismatch Error

SSL certificate ‘Name mismatch’ error

Sometime your browser may flash an error message such as: "The security certificate presented by this website was issued for a different website's address." This type of error is called an ‘SSL certificate name mismatch’ error.

A browser shows such message when the domain name (common name) of SSL certificate doesn’t match with the address that is entered in the address bar. This is illustrated above Figure. In this, the SSL certificate was ordered for www.paypal.com and on entering just ‘paypal.com’ in the address bar, the browser instigated this type of error message for the visitors. If you are not the website administrator and if you want to get rid of this error then your must open the website with www or you need to ask the website administrator to fix the problem.

If you are the website administrator then to get rid of Name Miss Match Error you need to forward all your traffic from without “www” to with www address and you must have to install SSL certificate with “www” address.

However, the simplest solution to get rid of this error is, by purchasing an SSL certificate with SAN (Subject Name Alternative) support from a trusted certificate authority. Such SAN-supported SSL certificate will easily allow you to install SSL certificate for both, web-addresses with ‘www’ and the ones without ‘www’.

• One more reason for this error to pop-up is accessing server using internal name while the SSL certificate on that server has the public name on it. And to solve this error in this situation, you need to buy and install Unified Communication (UC) SSL that has external public name and internal server name in the SSL certificate.

• After installing the SSL certificate you can verity the certificate using our free SSL Checker tool.

Mismatch error messages may vary on different browsers

Web Browser SSL Error MessageInternet Explorer 6 "The name on the security certificate is invalid or does not match the name of the site"

Internet Explorer 7 "The security certificate presented by this website was issued for a different website's address."

Firefox 2 "You have attempted to establish a connection with "http://www.mydomain.com". However, the security certificate presented belongs to "http://mydomain (non-www).com. It is possible, though unlikely, that someone may be trying to intercept your communication with this website.Please cancel the connection and notify the site-admin, if you suspect that the certificate shown does not belong to "www. mydomain.com”

Firefox 3 "www.mydomain.com uses an invalid security certificate. The certificate is only valid for: mydomain.com".

Safari 3 "This certificate is not valid (host name mismatch)"

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