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You configured HTTPS on Raspberry Pi but browsers show a 'certificate not trusted' warning. What should you check first?

medium📝 Debug Q7 of 15
Raspberry Pi - Security and Deployment
You configured HTTPS on Raspberry Pi but browsers show a 'certificate not trusted' warning. What should you check first?
AIf the web server is running on port 80
BIf the Raspberry Pi has enough RAM
CIf the SSL certificate is self-signed instead of from a trusted authority
DIf the domain name is spelled correctly in the URL
Step-by-Step Solution
Solution:
  1. Step 1: Understand certificate trust warnings

    Browsers warn if the certificate is self-signed or not from a trusted authority.
  2. Step 2: Evaluate other options

    RAM, port, or domain spelling do not cause trust warnings directly.
  3. Final Answer:

    If the SSL certificate is self-signed instead of from a trusted authority -> Option C
  4. Quick Check:

    Trust warning = Self-signed cert issue [OK]
Quick Trick: Use trusted CA certificates to avoid browser warnings [OK]
Common Mistakes:
MISTAKES
  • Ignoring certificate authority
  • Checking unrelated hardware issues
  • Assuming port or spelling causes trust errors

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