Difference between Valid and Invalid Certificates.

Question

Hi Guys, I have been asked once the difference between Valid and Invalid Certificate and also How a user can generate a valid certificate, Please let me know your suggestions or links for explanation

Laxmidhar Sahoo · Answer

which type of cerificate .Cleare more

Laxmidhar Sahoo · Answer

you can generate a self signed certificate for your site .But that is only for a year. Otherwise you have to purchase a ceritificate from a outhorised CA. The self signed certificate generation link for ubuntu is given bollow https://websiteforstudents.com/setup-nginx-http-server-self-signed-ssl-tls-certificates-on-ubuntu-16-04-lts-servers/

Vaibhav Singh · Answer

Hi Lakshman, That link was kind of practical and is not answering my question. I just need to know the basic difference between Valid Certificates and Invalid Certificates :) :) And also Can an end user generate a valid certificate ? If yes how ?

Laxmidhar Sahoo · Answer

I send you the url for ssl in ubuntu https://www.godaddy.com/garage/how-to-install-an-ssl-certificate-on-ubuntu-for-nginx/ https://linuxize.com/post/secure-nginx-with-let-s-encrypt-on-ubuntu-16-04/ https://www.snel.com/support/install-lets-encrypt-ssl-on-debian-9-running-nginx-web-server/ https://www.digicert.com/csr-ssl-installation/nginx-openssl.htm

Laxmidhar Sahoo · Answer

below is the url for testing the web site for ssl . https://www.ssllabs.com/ssltest/index.html

Vaibhav Singh · Answer

My Apologies, I mean in terms of the difference in terms of WEBAPI like using Https only when a site has a valid certificate