The following instructions will guide you through the CSR generation process on Nginx (OpenSSL). To learn more about CSRs and the importance of your private key, reference our Overview of Certificate Signing Request article. If you already generated the CSR and received your trusted SSL certificate, reference our SSL Installation Instructions and disregard the steps below.
Nov 21, 2019 Above command will generate a private key in the file domain.key and certificate request in the file domain.csr and save it in your current directory. View and copy the contents of private key. You can view and store the private keys on your server that you may need later. However, the important thing is not to share it with anyone.
You will want to log in via Secure Shell (SSH).
Generate a private key and CSR by running the following command:
Here is the plain text version to copy and paste into your terminal:
Note:Replace “server ” with the domain name you intend to secure.
Enter the following CSR details when prompted:
Note: You are not required to enter a password or passphrase. This optional field is for applying additional security to your key pair.
Locate and open the newly created CSR in a text editor such as Notepad and copy all the text including:
Note 1: Your CSR should be saved in the same user directory that you SSH into unless otherwise specified by you.
Note 2: We recommend saving or backing up your newly generate “.key ” file as this will be required later during the installation process.
Return to the Generation Form on our website and paste the entire CSR into the blank text box and continue with completing the generation process.
Upon generating your CSR, your order will enter the validation process with the issuing Certificate Authority (CA) and require the certificate requester to complete some form of validation depending on the certificate purchased. For information regarding the different levels of the validation process and how to satisfy the industry requirements, reference our validation articles.
After you complete the validation process and receive the trusted SSL Certificate from the issuing Certificate Authority (CA), proceed with the next step using our SSL Installation Instructions for Nginx using OpenSSL.
CSR stands for ‘Certificate Signing Request’, that is generated on the server where the certificate will be used on. A CSR contains information about to your organization and domain name, locality, and country and a public key that will be included in your certificate.
This article has 3 methods to create CSR (Certificate Signing Request) on Linux systems. You can choose any one of below methods. All methods will do the same task, only they have a detailed explanation.
We can create CSR using the single command like below. But make sure you have installed OpenSSL package on your system. The below command will first create a private key and then generate CSR. This command will also require few details as input.
Below are three simple commands to generate CSR. You may also use detailed instructions to do it.
In order to generate CSR, you required OpenSSL to be installed on your system. If it is not already installed use below command to install it.
Firstly you required root access to generate a key file. So login as root and use below command to generate a key.
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Sample output:
At the end of the command, it showing 2048, which is the length of the key in bits. Most of CA required 2048 bit length keys. Above command will create a key file tecadmin.net.key, which is used in step 3.
After generating a key, next steps are to generate CSR for the domain. Use below command to generate CSR file, This command will prompt for your organization and common name, locality, email, and country. Common Name must be the same as your domain name.
Sample Output:
Above command will generate a file
References:
http://wiki.centos.org/HowTos/Https
http://www.centos.org/docs/4/4.5/System_Administration_Guide/Apache_HTTP_Secure_Server_Configuration-Generating_a_Key.html