SSL Complete Guide 2021: HTTP to HTTPS - Our TLS Setup is not Complete

The video tutorial explains the process of validating certificates on a web server, focusing on the role of intermediate CA certificates. It demonstrates how to use OpenSSL to decode certificates and highlights differences in how browsers like Google Chrome and Firefox handle certificate trust. The tutorial also covers SSL verification and provides solutions for fixing certificate errors by adding intermediate CA certificates.

What tool can be used to decode an SSL certificate?

• Burp Suite

• OpenSSL

• Wireshark

• Nmap

What does Google Chrome do if an intermediate CA certificate is not supplied by the web server?

• It fetches the intermediate certificate automatically

• It redirects to a secure site

• It blocks the website

• It displays a warning message

Why does Firefox show a security warning for the website?

• The certificate is expired

• The website is not using HTTPS

• The intermediate CA certificate is missing

• The root CA certificate is invalid

What error does Firefox display when the intermediate CA certificate is missing?

• ERR_CERT_COMMON_NAME_INVALID

• SEC_ERROR_UNKNOWN_ISSUER

• ERR_CONNECTION_TIMED_OUT

• ERR_SSL_PROTOCOL_ERROR

What is the purpose of using an online SSL verification tool?

• To test the website's SEO performance

• To analyze the website's traffic

• To verify the SSL certificate chain and validity

• To check the website's loading speed

What is a potential solution to fix the SSL error in Firefox?

• Use a VPN

• Disable SSL verification

• Install an intermediate CA certificate

• Switch to a different browser

What information can be found in the extension section of a certificate?

• The DNS names associated with the certificate

• The certificate's public key

• The certificate's serial number

• The certificate's issuer