From August 19th 2020, SECTIGO issues SSL certificates with a maximum lifetime of 398 days (13 months) as specified by CA/Browser consortium. SSL certificates with a longer lifetime must be re-issued annually (free of charge). You'll receive reminders via e-mail. SSL certificates issued before August 19th 2020 remain valid until their planned expiry date. Code Signing & S/MIME certificates are not affected and remain valid until their planned expiry date.

What is a CSR (Certificate Signing Request)?

A CSR (Certificate Signing Request) is an encrypted collection of text information. The CSR stores informationen about the domain name as well as information about the webserver that was used to create a CSR. Typically a CSR should be minimum 2048 bits to offer enough security. 

Example - this is how a typical CSR will look like:



This is how to create a CSR under GNU/Linux:

The CSR will be created on the webserver on which the SSL certificate shall be installed. Here you will find detailed instructions how to create a CSR for various server systems. You will need a CSR in order to issue a SSL certificate!


Was this answer helpful?

 Print this Article

Also Read

Are the SSL certificates usable for securing VPN and remote desktop (RDP) connections?

Yes, many of our customers are using our SSL certificates for securing their remote desktop...

Whats the difference between DV (domain validated) and EV (extended validation) SSL certificates?

DV = Domain Validated Zur Validierung müssen Sie nachweisen, dass Sie der rechtmäßige...

What is the difference between Single-Domain and a Wildcard certificate?

A Single-Domain certifiacte only works for exactly one domain. For example, a single domain...

Sicher kommunizieren im Internet - einfach erklärt

Video: Wie funktioniert Public Key Verschlüsselung?

.CRT, .P12, .PEM, .P7B, .PFX, PKCS#7, PKCS#12, X.509 ... file formats, file types and meaning

.CSR ... Certificate Signing Request. Never used during installation, *ONLY* used for requesting...