Download SSL server certificate with opsnessl

openssl s_client -connect www.example.com:443 > /tmp/example.com.cert
Useful when we need to create new certificate for site when current one is near expiry. This downloaded cert can be used to provide organisational data directly to new cert. using below command. e.g. openssl x509 -x509toreq -in /tmp/example.com.cert -out example.com.csr -signkey example.com-key.pem
Sample Output
openssl x509 -in /tmp/example.com.cert -noout -startdate -enddate
notBefore=May 03 18:06:47 2012 GMT
notAfter=May 02 17:28:01 2013 GMT

2
By: rockon
2012-05-04 06:15:27

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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