{"id":543,"date":"2019-08-16T18:13:32","date_gmt":"2019-08-16T18:13:32","guid":{"rendered":"https:\/\/cheapsslsecurity.com\/p\/?p=543"},"modified":"2021-05-24T11:02:13","modified_gmt":"2021-05-24T11:02:13","slug":"what-an-ssl-common-name-wildcard-error-is-and-how-to-fix-it","status":"publish","type":"post","link":"https:\/\/cheapsslsecurity.com\/p\/what-an-ssl-common-name-wildcard-error-is-and-how-to-fix-it\/","title":{"rendered":"What an SSL Common Name Wildcard Error Is and How to Fix It"},"content":{"rendered":"

Having wildcard(*) SSL certificate in common name (CN) issues? Here\u2019s what you can do about it<\/h2>\n

Are you having issues with your wildcard SSL certificate<\/a>, or have you seen a message akin to \u201cWILDCARD(*) SSL CERTIFICATE IN COMMON NAME (CN)?\u201d The second half of this question is actually a fairly misleading one because it\u2019s a hyper-specific error that is really just a variant of a more common wildcard SSL error. So, if you have a wildcard SSL certificate installed on your server and you\u2019re running into this issue, keep reading.<\/p>\n

<\/p>\n

This could potentially be, in part, because of an unfortunate tendency by some certificate authorities (CAs) and resellers to mislead a little bit on the wildcard front \u2014 or a failure to educate their users about how wildcard SSL certificates truly work. Wildcard SSL certificates are sometimes marketed as securing unlimited subdomains, but that\u2019s only half true \u2014 all of the sub-domains have to be on the same level of the URL. A standard wildcard doesn\u2019t secure subdomains at all levels, only the designated one. This is a very important distinction.<\/p>\n

What Causes This SSL Common Name Wildcard Error<\/h2>\n

So, what does this error mean for you and your site? Essentially, it means that the certificate is being installed on higher-level subdomains than the wildcard certificate has been designated for. That\u2019s what creates the WILDCARD (*) SSL CERTIFICATE IN COMMON NAME error. This specific variation of the error occurs in an environment where a Dynamic Invocation Interface (DII) web service java client invoking .NET SOAP web service is operating.<\/p>\n

\n

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How to Fix the SSL Common Name Wildcard Error on Your Site<\/h2>\n

The fix is actually pretty simple \u2014 you need to list the additional subdomain levels you\u2019d like to encrypt in the SAN fields of your certificate signing request (CSR). Keep in mind that as you go to higher subdomain levels, the complexity of securing them with individual wildcards increases. For instance, if you have two different sub-domains and each has its own (second-level) subdomain, you would need three<\/em> wildcards to secure everything. One for the first-level sub-domains, and then one each with the first-level subdomain explicitly listed and the wildcard character at the second level of the URL.<\/p>\n

Fortunately, there\u2019s a much simpler solution. A multi domain wildcard<\/a> can consolidate everything on to a single certificate. You list the second- and third-level subdomains you\u2019re securing as wildcard SANs and the certificate can be installed everywhere without generating the aforementioned error.<\/p>\n

Just keep in mind that the more sites you\u2019re using the same key pair on, the less secure that key pair becomes. Also, there\u2019s no extended validation (EV) version of the multi domain wildcard. (Such a thing is strictly prohibited by the CA\/B Form<\/a>). But then, there\u2019s no EV version of a standard wildcard, either. So, you probably already knew that.<\/p>\n

Need to buy a multi domain wildcard SSL certificate to secure your domain? We\u2019ve got you covered!<\/p>\n

\n

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Shop All Multi Domain Wildcard SSL Certificates<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Having wildcard(*) SSL certificate in common name (CN) issues? Here\u2019s what you can do about it Are you having issues with your wildcard SSL certificate, or have you seen a message akin to \u201cWILDCARD(*) SSL CERTIFICATE IN COMMON NAME (CN)?\u201d … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[15,27],"class_list":["post-543","post","type-post","status-publish","format-standard","hentry","category-ssl-advanced","tag-error-codes","tag-wildcard-ssl"],"yoast_head":"\nWhat an SSL Common Name Wildcard Error Is and How to Fix It<\/title>\n<meta name=\"description\" content=\"Seen an error akin to "WILDCARD(*) SSL CERTIFICATE IN COMMON NAME (CN)" on your site? 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