how do i add a san to my certificate

Full Answer

How to add San (s) to an existing SSL certificate?

How to add SAN (s) to an existing SSL certificate 1. Generate a new CSR/private key pair. Anytime a SAN is added to an existing cert, a new CSR is required. The CSR must... 2. Access the supplier user portal:. Please see the certificate reissue article for details on how to gain access to... 3. ...

How do I add San to a CSR?

If you want to add SAN, most CAs allow you to reissue a certificate with new details, though this will usually revoke your old certificate. You don't need the old CSR to reissue a certificate, you can instead create a new CSR with the updated details using a new or existing private key. Share

How do I add San attributes to a certificate request?

SAN attributes can be added to a request that is created by using the Certreq.exe program. Or, SAN attributes can be included in requests that are submitted by using the web enrollment pages. To submit a certificate request that contains a SAN to an enterprise CA, follow these steps:

How do I configure a CA to accept a San attribute?

Configure a CA to accept a SAN attribute from a certificate request. Create and submit a certificate request to an enterprise CA. Create and submit a certificate request to a stand-alone CA. Create a certificate request by using the Certreq.exe tool. Create and submit a certificate request to a third-party CA.

How do you add SAN in CSR?

SAN information can be submitted within a CSR, or alongside it....Here is how:Acquire an Enrollment Agent Certificate.Modify an SSL certificate template to require an EA certificate for issuance.Acquire a CSR that needs SAN Information.Use the EA certificate to resign the CSR while adding the SAN information.

How do I add additional Subject Alternative Name in certificate?

Adding Subject Alternative Name (SAN) to a digital certificateOpen the hosts. ... Add the loop back addresses and the host names. ... Verify if the hosts were added, by pinging each host in the Command prompt. ... Create a copy of the pscpki.More items...•

Can you add a SAN to an existing certificate?

Anytime a SAN is added to an existing cert, a new CSR is required. The CSR must contain all the existing as well as new SANs. Consult your server manual for instructions on how to add SANs to the CSR. The common name for the CSR must be the same as the original certificate.

How do I add SAN to Openssl certificate?

TopicLog in to the command line.Change directories to the /var/tmp directory. ... Create a directory to store a modified openssl. ... Copy the default openssl. ... Edit the custom openssl.cnf file (/var/tmp/mySSL/myssl.cnf) and add the following information to the end of the file: ... Save the changes made to the custom openssl.More items...•

How many SANs Can a certificate have?

100 SANsSAN certificate availability: DigiCert PKI Platform allows up to 100 SANs with a single certificate.

What is SAN entry in certificate?

A SAN or subject alternative name is a structured way to indicate all of the domain names and IP addresses that are secured by the certificate. Included on the short list of items that are considered a SAN are subdomains and IP addresses.

Is SAN mandatory in certificate?

First of all, you must have the Subject Alternative Name (SAN) extension, this extension must contain DNS names of all the domain names the certificate was issued for.

What happens when you reissue a certificate?

The certificate reissue process allows you to modify an issued certificate. Some modifications allow you to build upon the original certificate, resulting in two or more versions of that certificate. For example, when reissuing a certificate, you can add domains to the original certificate.

Can you add a SAN to a wildcard certificate?

SAN/UCC can also be combined as an extension with a Wildcard to add functionality to the certificate. You can combine these two certificates as a Multi-domain Wildcard SSL Certificate depending on your needs.

How do you check SAN in CSR?

To verify the CSR for SAN:Open the command prompt as an administrator and change the directory to C:\OpenSSL-WinXX\bin and run: openssl req -noout -text -in server.csr.Under Subject Alternative Name, the different DNS names must appear for which this CSR is valid.

How do I add a Subject Alternative Name certificate in Microsoft CA?

Create a Certificate Signing Request (CSR)Choose Proceed without enrollment policy and Click Next. ... Give a friendly name for the certificate and a description. ... Click on Subject tab and add all the hostnames under “Alternative Name“More items...•

How do I create a self signed certificate?

ProcedureWrite down the Common Name (CN) for your SSL Certificate. ... Run the following OpenSSL command to generate your private key and public certificate. ... Review the created certificate: ... Combine your key and certificate in a PKCS#12 (P12) bundle: ... Validate your P2 file. ... In the Cloud Manager, click. ... Select TLS.More items...

What is certificate subject alternative name?

The Subject Alternative Name (SAN) is an extension to the X. 509 specification that allows users to specify additional host names for a single SSL certificate. The use of the SAN extension is standard practice for SSL certificates, and it's on its way to replacing the use of the common name.

Is subject alternative name mandatory?

First of all, you must have the Subject Alternative Name (SAN) extension, this extension must contain DNS names of all the domain names the certificate was issued for.

How do I generate a CSR using Keytool?

Step 2: Generate a Certificate Signing Request (CSR) from your New KeystoreRun Command. In Keytool, type the following command: keytool -certreq -alias server -file csr.txt -keystore your_site_name.jks. ... Save and Back-up Your Keystore File. ... Order Your SSL/TLS Certificate. ... Install Certificate.

What is Net :: Err_cert_common_name_invalid?

So as the error message states, the root problem behind NET::ERR_CERT_COMMON_NAME_INVALID is that the common name on your SSL certificate is not valid for some reason. Often, this means that the name on your certificate does not match the domain it's installed on.