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Votes
2
Found in
2021.3.37f1
2022.3.24f1
2023.2.19f1
6000.0.0b15
6000.1.0a7
Issue ID
UUM-69572
Regression
No
“Curl error 60: Cert verify failed. Certificate is not correctly signed by a trusted CA. UnityTls error code: 7” Error on macOS when initializing UnityWebRequest for a specific URL
Reproduction steps:
1. Open the attached “TestProject” project
2. Open the “Assets/Scenes/SampleScene.unity” Scene
3. Enter the Play Mode
4. Observe the Console Window
Expected result: No errors are thrown
Actual result: “Curl error 60: Cert verify failed. Certificate is not correctly signed by a trusted CA. UnityTls error code: 7” Error
Reproducible with: 2021.3.37f1, 2022.3.24f1, 2023.2.19f1, 6000.0.0b15
Reproducible on: macOS 14.4.1 (M1 Max)
Not reproducible on: Windows 10
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Resolution Note:
This is caused because the server is not sending the full certificate chain. It works on Windows, in Postman, and in browsers like Chrome and Firefox because those perform chain rebuilding. That is, when provided an incomplete chain they try to complete it automatically using locally-known certificates.
This behavior is not supported on OSX; if possible, the server in question needs to be modified to send the full certificate chain.
Resolution Note:
This is caused because the server is not sending the full certificate chain. It works on Windows, in Postman, and in browsers like Chrome and Firefox because those perform chain rebuilding. That is, when provided an incomplete chain they try to complete it automatically using locally-known certificates.
This behavior is not supported on OSX; if possible, the server in question needs to be modified to send the full certificate chain.