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Box Web App Integration

  • May 22, 2025
  • 1 reply
  • 13 views

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When Box tries to access my Web App Integration, I get an error that says: "Content was blocked because it was not signed by a valid security certificate."

 

I have proven that my security certicicate is valid, although it is self-signed.

 

The security certificate on our server is self-signed.

 

Any help would be appreciated.

1 reply

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You are seeing this error because you are using a self-signed certificate.

 

You need to use a certificate signed by a certificate authority. Let's Encrypt is CA provider that offers a free signed certificate that you can use to test this integration.