Security   Security – Create self signed SAN certificate with OpenSSL



This post explains how to generate self signed certificates with SAN – Subject Alternative Names using openssl. It is a common but not very funny task, only a minute is needed when using this method.

The example below generates a certificate with two SubAltNames: mydomain.com and www.mydomain.com

Create openssl configuration file

Create configuration file for openssh (In a Linux … Read more

Windows   Windows – Renew certificate assigning the same private key



When renewing a certificate it is not necessary to generate a new csr. This is possible by maintaining the same private key.

When received the renewed certificate from the 3rd party certification authority, we can try to import it and assign the private key from the management console (mmc -> certificates).
One of the options that are shown when … Read more