CSR file is an important document needed to acquire SSL (Secure Sockets Layer) certificate. CSR stands for Certificate Signing Request, and it is a computer-generated file that contains information about a company or an organization and how their SSL certificate should be issued.

To understand better, SSL is a security protocol that encrypts data transmission between a website and a user’s browser. This encryption provides a secure connection while browsing a website. Additionally, SSL certificate indicates that the website is trustworthy and has been verified by a reputable third-party organization called the Certificate Authority (CA).

To obtain an SSL certificate, a CSR file must be generated by the website owner or administrator. The CSR file contains the following information:

1. Common Name

The fully qualified domain name (FQDN) of the website that needs the SSL certificate.

2. Organization Name

The legal name of the company or organization.

3. Organizational Unit (OU)

The department or division of the company or organization that is responsible for the website.

4. City/Locality

The city or locality of the physical location of the company or organization.

5. State/Province

The state or province of the physical location of the company or organization.

6. Country Code

The two-letter code representing the country of the physical location of the company or organization.

These details are important to verify the company’s identity and ensure that they are a legitimate organization before issuing an SSL certificate.

After the CSR file is generated, it will be sent to the CA, where the SSL certificate will be issued. The CA will verify the information provided in the CSR file, and once it is confirmed, they will issue an SSL certificate to the website owner.

In conclusion, a CSR file is an important document required to obtain an SSL certificate for a website. It contains information about the company or organization and how the SSL certificate should be issued. The SSL certificate provides a secure and encrypted connection between a website and its users, ensuring that their data is protected.