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33 lines
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33 lines
1.0 KiB
Plaintext
# Common Browser Errors
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When using internal certificates, browsers are very strict. Here are common error codes and what they mean.
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## NET::ERR_CERT_AUTHORITY_INVALID hiding
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**Cause:**
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The browser does not recognize the Root CA that issued the certificate.
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**Solution:**
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You have not installed the TrustLab Root CA on your device.
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-> [Go to Installation Guide](/guide/getting-started/install-root-ca)
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## NET::ERR_CERT_COMMON_NAME_INVALID
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**Cause:**
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The domain name you are visiting (e.g., `app.local`) does not match the names listed in the certificate.
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**Solution:**
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Check the **SANs (Subject Alternative Names)** of the certificate.
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1. Click the "Not Secure" icon in the address bar.
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2. View Certificate.
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3. Check "DNS Names". If the domain is missing, you must **Re-issue** the certificate.
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## NET::ERR_CERT_DATE_INVALID
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**Cause:**
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The certificate has expired or the system clock is wrong.
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**Solution:**
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1. Check your computer's date and time.
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2. If time is correct, the certificate is expired. [Renew the certificate](/guide/certificates/renewal).
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