Generate a CSR with SANs

Generate a CSR with SANs

1. Connect to the Valt appliance via SSH
2. Type in the following, and press Enter
• nano csr_details.conf
3. Copy and paste the following into nano:

✎Make sure to update the CSR with your information.

[req]
default_bits = 2048
prompt = no
default_md = sha256
req_extensions = req_ext
distinguished_name = dn
[ dn ]
C=US
ST=New York
L=Rochester
O=End Point
OU=Testing Domain
emailAddress=your-administrative-address@your-awesome-existing-domain.com
CN = www.your-new-domain.com
[ req_ext ]
subjectAltName = @alt_names
[ alt_names ]
DNS.1 = your-new-domain.com
DNS.2 = www.your-new-domain.com

4. Update the information to match your installation. This is the same information you would normally put in a CSR.
5. Press CTRL + X
6. Enter Y.
7. Press Enter.
8. Type in the following, and press Enter
• openssl req -new -sha256 -nodes -out valt.csr -newkey rsa:2048 -keyout valt.key -config csr_details.conf

✎Make sure to update the CSR and key path for your installation.

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Other Commands

Check a Certificate Signing Request (CSR)

openssl req -text -noout -verify -in valt.csr

Check a certificate

openssl x509 -in valt.cer -text -noout

Check a private key

openssl rsa -in valt.key -check