Understanding SSL Certificate Errors

SSL certificate errors can cause monitoring failures and security warnings.

Common SSL Errors

Certificate Expired

• Your SSL certificate has passed its expiration date
• Visitors see security warnings
• Renew certificate immediately with your provider

Certificate Mismatch

• Certificate domain does not match your URL
• Often happens with www vs non-www domains
• Ensure certificate covers all domain variants

Invalid Certificate Chain

• Intermediate certificates not properly installed
• Install complete certificate chain from provider
• Test with SSL checker tools

Self-Signed Certificate

• Certificate not from trusted authority
• Acceptable for development, not production
• Get certificate from trusted CA for production

Fixing SSL Issues

1. Check certificate expiration date
2. Verify domain matches certificate
3. Ensure intermediate certificates installed
4. Test with online SSL checker
5. Contact hosting provider if needed

Preventing SSL Problems

• Enable WebMon SSL expiry alerts
• Set alert for 30 days before expiration
• Keep contact info current with certificate provider
• Set calendar reminders for renewal