PHP curl error: “Unknown SSL protocol error in connection to…”

Question

I having extreme difficulty with PHP curl. I am attempting to open a site: https://www.novaprostaffing.com/np/index.jsp through PHP curl, but it keeps yielding the following

Answer 1

Did you try some other https url and see if that worked ? Here are 3 common causes

1. Destination Site Does Not Like the Protocol
2. The Destination Site Does Not Like the Cipher
3. The SSL Private Key Has Expired