Linux Generate Ssl Key With Subjectaltname

Posted : admin On 26.05.2020
  1. Linux Generate Ssl Key With Subjectaltname Windows 10
  2. Linux Generate Ssl Key With Subjectaltname Windows 7

The machine SSL certificate is used by the reverse proxy service on every management node, Platform Services Controller, and embedded deployment. Each machine must have a machine SSL certificate for secure communication with other services. You can replace the certificate on each node with a custom certificate.

Apr 25, 2017  Firefox & Chrome now require the subjectAltName (SAN) X.509 extension for certificates. Please provide a way to specify the SAN interactively (along the CN) when generating certs & reqs using the openssl command line tool (openssl req). Currently one has to do some ugly trickery to generate a self-signed certificate.

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Before you start, you need a CSR for each machine in your environment. You can generate the CSR using vSphere Certificate Manager or explicitly.

  1. Jul 08, 2009 You can also generate self signed SSL certificate for testing purpose. In this article, let us review how to generate private key file (server.key), certificate signing request file (server.csr) and webserver certificate file (server.crt) that can be used on Apache server with modssl. Key, CSR and CRT File Naming Convention.
  2. Dec 21, 2010.
  3. FAQ/subjectAltName (SAN) What is subjectAltName? SubjectAltName specifies additional subject identities, but for host names (and everything else defined for subjectAltName): subjectAltName must always be used (RFC 3280 4.2.1.7, 1.
  1. To generate the CSR using vSphere Certificate Manager, see Generate Certificate Signing Requests with vSphere Certificate Manager (Custom Certificates).

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  2. To generate the CSR explicitly, request a certificate for each machine from your third-party or enterprise CA. The certificate must meet the following requirements:

    • Key size: 2048 bits or more (PEM encoded)

    • CRT format

    • x509 version 3

    • SubjectAltName must contain DNS Name=<machine_FQDN>

    • Contains the following Key Usages: Digital Signature, Non Repudiation, Key Encipherment

Linux Generate Ssl Key With Subjectaltname Windows 10

See also VMware Knowledge Base article 2112014, Obtaining vSphere certificates from a Microsoft Certificate Authority.

Procedure

Linux Generate Ssl Key With Subjectaltname Windows 7

  1. Start vSphere Certificate Manager and select option 1.
  2. Select option 2 to start certificate replacement and respond to the prompts.

    vSphere Certificate Manager prompts you for the following information:

    • Password for administrator@vsphere.local.

    • Valid Machine SSL custom certificate (.crt file).

    • Valid Machine SSL custom key (.key file).

    • Valid signing certificate for the custom machine SSL certificate (.crt file).

    • If you are running the command on a management node in a multi-node deployment, IP address of the Platform Services Controller.

Depending on your environment, you might have to replace additional certificates explicitly.

  • If company policy requires that you replace all certificates, replace the vmdir root certificate. See Replace the VMware Directory Service Certificate

  • If you are upgrading from a vSphere 5.x environment, you might have to replace the vCenter Single Sign-On certificate inside vmdir. See Replace the VMware Directory Service Certificate in Mixed Mode Environments