Asked by: Raven Hensser
technology and computing web hosting

What is San certificate and wildcard certificate?

Last Updated: 22nd June, 2020

Wildcard: a wildcard certificate allows for unlimited subdomains to be protected with a single certificate. The wildcard refers to the fact that the cert is provisioned for *. SAN: a SAN cert allows for multiple domain names to be protected with a single certificate.

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Then, what is a San certificate?

A Subject Alternate Name (or SAN) certificate is a digital security certificate which allows multiple hostnames to be protected by a single certificate. A SAN certificate may also be called a Unified Communication Certificate (or UCC), a multi-domain certificate, or an Exchange certificate.

Beside above, should I use wildcard certificate? If you have a lot of hostnames pointing at the same service on the same server(s), then it's fine to use a wildcard certificate - so long as that wildcard certificate doesn't also cover hostnames pointing at other servers; otherwise, each service should have its own certificates.

Additionally, how do you use a wildcard certificate?

When installing on a single server, the steps you'd follow are:

  1. Purchase certificate. You can purchase wildcard certificates direct at 71% off – click here.
  2. Generate CSR. For a wildcard certificate, be sure to enter your domain as *.
  3. Complete certificate validation.
  4. Install on server.

How much is a wildcard certificate?

Wildcard certificate starts at $40/yr and you can buy different brands wildcard certificates at cheapest prices from us.

Related Question Answers

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What is a multi San SSL certificate?

A Multi-Domain SSL certificate, also known as a UCC, Unified Communications certificate, or SAN certificate, is a type of certificate that uses Subject Alternative Names (SANs) to secure multiple host names. For example, you could get one Multi-Domain SSL Certificate to cover all of the following:

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What is a certificate DN?

Distinguished name (DN) is a term that describes the identifying information in a certificate and is part of the certificate itself. A certificate contains DN information for both the owner or requestor of the certificate (called the Subject DN) and the CA that issues the certificate (called the Issuer DN).

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What is CN in a certificate?

The Common Name (AKA CN) represents the server name protected by the SSL certificate. The certificate is valid only if the request hostname matches the certificate common name. Most web browsers display a warning message when connecting to an address that does not match the common name in the certificate.

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How many SANs Can a certificate have?

SAN restrictions
This means SAN certificates generally support only a specific list of names. It's also common to encounter a limit on the number of names per certificate, usually up to 100.

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What is Cn and san?

SAN stands for “Subject Alternative Names” and this helps you to have a single certificate for multiple CN (Common Name). You might be thinking this is wildcard SSL but let me tell you – it's slightly different. In SAN certificate, you can have multiple complete CN.

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What is the use of SSL certificate?

What is an SSL certificate and what is it used for? SSL certificates are used to create an encrypted channel between the client and the server. Transmission of such data as credit card details, account login information, any other sensitive information has to be encrypted to prevent eavesdropping.

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How does SNI work?

SNI stands for Server Name Indication and is an extension of the TLS protocol. It indicates which hostname is being contacted by the browser at the beginning of the handshake process. This technology allows a server to connect multiple SSL Certificates to one IP address and gate.

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What is SSL wildcard certificate?

A wildcard certificate is a digital certificate that is applied to a domain and all its subdomains. Secure Sockets Layer (SSL) certificates often use wildcards to extend SSL encryption to subdomains. A conventional SSL certificate works on a single domain, for example

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Do you need a CSR for a wildcard certificate?

Your guide to generating a Wildcard CSR on any server
Your Certificate Signing Request (CSR) is more or less an application for an SSL certificate. You can't get an SSL certificate issued without one.

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How do I use an SSL certificate?

  1. Step 1: Host with a dedicated IP address. In order to provide the best security, SSL certificates require your website to have its own dedicated IP address.
  2. Step 2: Buy a Certificate.
  3. Step 3: Activate the certificate.
  4. Step 4: Install the certificate.
  5. Step 5: Update your site to use HTTPS.

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Can I install the same SSL certificate on multiple servers?

Regardless of how many servers you may use or the types of software platforms on the various servers, it is possible to use the same Wildcard SSL/TLS certificate. The first step in installing and using the Wildcard SSL certificate on multiple servers is to generate the Certificate Signing Request (CSR).

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How do I renew my wildcard certificate?

How to Renew SSL? – Renew SSL Certificate in 10 Easy Steps
  1. Step 1: Generate a Certificate Signing Request (CSR)
  2. Step 2: Select your SSL certificate.
  3. Step 3: Select the validity (1-year or 2-year)
  4. Step 4: Fill up all necessary details.
  5. Step 5: Apply the coupon/discount code (if any)
  6. Step 6: Click on Continue button.

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Can Wildcard SSL used multiple servers?

Yes, a Wildcard SSL Certificate can be used on multiple servers. The process to do so has been illustrated in the “How to Install Wildcard SSL Certificate on Multiple Servers” section of this article.

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How do I create a wildcard certificate in IIS?

Obtaining and Installing a Wildcard Server Certificate in IIS 6.0
  1. Step 1: Generate a Certificate Signing Request (CSR) In IIS Manager, expand the local computer, and then expand the Web Sites folder.
  2. Step 2: Install the Thawte Certificate.
  3. Step 3: Configure the Wildcard Certificate.
  4. Step 4: Verify your certificate installation.

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How install Godaddy SSL certificate IIS?

Install your SSL certificate
  1. Click on your Start Menu, then click Run.
  2. In the prompt, type inetmgr and click OK to launch the Internet Information Services (IIS) Manager.
  3. Under the Connections panel on the left, click on your Server Name.
  4. In the main panel under the IIS section, double click on Server Certificates.

Magela Utrillas


How install SSL certificate IIS 10?

How to install an SSL certificate on IIS 10
  1. Press Win + R and type “inetmgr” in the appeared window to run the Internet Information Services (IIS) Manager.
  2. On the IIS Manager home page, locate the Server Certificates icon and double-click it:
  3. Locate the Actions panel on the right side and click Complete Certificate Request:

Casey Condoy


Why are wildcard certificates so expensive?

The reason why a Wildcard SSL Certificate is more expensive than One Domain SSL Certificate is that it saves you time, money, and it allows you to secure multiple sub-domains. Let's say you need to secure one domain name and 5 sub-domains .

Beverly Jesper


Do wildcard certificates work for subdomains?

In general, Wildcard Certificates can only be used to secure first-level sub-domains of the domain to which they are issued. By default, Wildcard Certificates only secure a specific subdomain level. For example, if your certificate is for *., it will secure subdomains of the same level.

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How do server certificates work?

The web server sends the browser/server a copy of its SSL certificate. The browser/server checks to see whether or not it trusts the SSL certificate. The web server sends back a digitally signed acknowledgement to start an SSL encrypted session. Encrypted data is shared between the browser/server and the web server.