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

.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...

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...

Why HTTPS is in fact faster than HTTP, not slower?

Troy Hunt has released an article about this topic. The live-test compares loading images via...

Wie funktionieren S/MIME Zertifikate ?

S/MIME Zertifikate können dazu benutzt werden, um Dokumente in Microsoft Office digital zu...

Providers supporting Third Party SSL

ALLE ANGABEN OHNE GEWÄHR Provider mit Installationsservice für SSL - ODER - SSL Installation...