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Certificate Signing Request (csr)

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Before you can get SSL certificate for your web site, you need to create Certificate Signing Request (CSR).

Information needed for generating CSR

Country Name (2 letter code): 
State or Province Name:
Locality Name (eg, city):
Organization Name (eg, company):
Email Address:

Most hosting control panel provide GUI for generating CSR.

If you are on a server with no control panel, you can generate CSR on any Linux computer by running

openssl req -new -newkey rsa:2048 -nodes -out domain-name.csr -keyout domain-name.key -subj "/C=COUNTRY-CODE-HERE-2-LETTER/ST=STATE-HERE/L=CITY-HERE/O=BUSINESS-NAME-HERE/OU=Retail/CN=domain-name"

If you want OpenSSL ask for information, run following command.

openssl req -new -newkey rsa:2048 -nodes -keyout domain-name.key -out domain-name.csr

Example

boby@hon-pc-01:~ $ openssl req -new -newkey rsa:2048 -nodes -keyout hostonnet.com.key -out hostonnet.com.csr
Generating a 2048 bit RSA private key
....................................+++
..............................................+++
writing new private key to 'hostonnet.com.key'
-----
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:IN
State or Province Name (full name) [Some-State]:Kerala
Locality Name (eg, city) []:Kochi
Organization Name (eg, company) [Internet Widgits Pty Ltd]:HOSTONNET
Organizational Unit Name (eg, section) []:Retail
Common Name (e.g. server FQDN or YOUR name) []:hostonnet.com
Email Address []:[email protected]

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:hostonnet
An optional company name []:
boby@hon-pc-01:~ $ 

View CSR

To view CSR details, run

openssl req -in domain-name.csr -noout -text

Posted in Security

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