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How to create CSR with SAN values using OpenSSL ?
For creating CSR with SAN values (X.509 v3 Extension) it’s important to create a configuration file with the required certificate details. Execute following command in openssl.
openssl req -newkey rsa:2048 -nodes -keyout pvtkey.cer -config config.cnf -out csr.txt -utf8It will create a Private key (pvtkey.cer) and CSR file (csr.txt).
Sample Configuration file (config.cnf)
[req]
prompt = no
distinguished_name = dn
req_extensions = ext
[dn]
CN = 192.168.2.23
O = Abc Corporation
L = Sydney
ST = New South Walse
C = AU
[ext]
subjectAltName = @alt_names
[alt_names]
IP.1 = 192.168.2.23
IP.2 = 10.12.4.122
DNS.1 = 192.168.2.23
DNS.2 = 10.12.4.22
DNS.3 = sms.abc.local
DNS.4 = localhostIt will generate CSR with CN=192.168.2.23 and 3 SAN values: 10.12.4.122, sms.abc.local and localhost.
Notice that when IP address is there in CN or SAN, we need to put its value against both IP Address and DNS. For others (URL, Servername etc) only DNS value is required.
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How to install Intranet SSL on Ubuntu Linux ?
If you asked for the Intranet SSL without CSR, you would have received server.pfx file on email.
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Copy the server.pfx file to the Ubuntu machine
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Ensure that openssl package is installed on Ubuntu
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Run the following command: sudo openssl pkcs12 -in server.pfx -passin pass:inetssl2 -out serverpfx.pem -nodes This will create a serverpfx.pem file, which contains the issued certificate, two CA certificates and the private key.
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Move the serverpfx.pem file to /etc/ssl/certs/
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Update the permissions: sudo chmod 644 /etc/ssl/certs/serverpfx.pem
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Restart the Apache service: sudo service apache2 restart
In case, you wish us to make the serverpfx.pem file, write back to us on support@intranetssl.net
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