Is there a difference in troubleshooting 'Connection Refused' for HTTP vs. HTTPS sensors in PRTG?

By: USER2549
26 Agustus 2025 Support 5 minutes
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Question

Grade: Education Subject: Support
Is there a difference in troubleshooting 'Connection Refused' for HTTP vs. HTTPS sensors in PRTG?
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Yes, there are differences. While the core troubleshooting steps are similar, HTTPS sensors require ensuring the SSL certificate is valid and correctly configured. Problems with certificate chain validation, self-signed certificates, or incorrect certificate paths can lead to connection refusal. Also, ensure the PRTG server trusts the certificate authority (CA) that issued the HTTPS certificate.
Answered on 26 Agustus 2025

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