Question 1

What does an SSL certificate check verify?

Accepted Answer

An SSL certificate check verifies the certificate's validity, expiration date, issuing authority, encryption strength, certificate chain, and domain name matching. It ensures the certificate is properly installed, trusted by browsers, and provides secure communication between users and your website.

Question 2

Why is my SSL certificate showing as invalid?

Accepted Answer

SSL certificates may show as invalid due to expiration, incorrect installation, domain name mismatches, untrusted certificate authorities, incomplete certificate chains, or mixed content issues. Common fixes include renewing expired certificates, properly configuring the certificate chain, and ensuring all resources load over HTTPS.

Question 3

How often should I check my SSL certificate?

Accepted Answer

Check SSL certificates at least monthly, with automated monitoring recommended for critical websites. Set up alerts 30-60 days before expiration to allow time for renewal. Regular checks help identify configuration issues, upcoming expirations, and security vulnerabilities before they affect users.

Question 4

What's the difference between SSL and TLS?

Accepted Answer

TLS (Transport Layer Security) is the successor to SSL (Secure Sockets Layer). While people often say "SSL," modern websites actually use TLS protocols (TLS 1.2 or 1.3). TLS provides better security, performance, and features than older SSL versions. The terms are often used interchangeably, but TLS is the current standard.

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SSL Certificate Check

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