Thanks pistolero for your help.
Ohh so certificate is different, i got this information from ssh_host_rsa_key file from the client machine we are able to hit the web server. I think i need to ask the dev team about the certificate to access the web server.
Also fyi...i have the json request which i am trying to submit through http post using http/html protocol.
Can you please suggest me what files(key and cert) are required from dev side to make the script work, i am not sure what to ask them.
Thanks,
Aayush