UnityWebRequestException: Unable to complete SSL connection

[ProteanCoding]

Reproduction rate:

100%

Platforms:

• Windows

Browser:

• Desktop

Evidence:

In ~/AppData/LocalLow/Decentraland/Decentraland/Player.log:

WebSocket Server URL: wss://localhost:7666/dcl
20/02/2024 15:33:13|Error|<>c__DisplayClass71_0.<receiveRequest>b__0|Authentication failed, see inner exception.
WebSocket Communication Established
[...]
Curl error 7: Failed to connect to localhost port 443 after 6175 ms: Couldn't connect to server
[...]
Curl error 35: Cert verify failed. Certificate could not be verified (either omitted or unsupported). UnityTls error code: 7

And then 30 after entering a scene:

UnityWebRequestException: Unable to complete SSL connection
  at DCL.GLTFast.Wrappers.GltFastDownloadProvider.Request (System.Uri uri) [0x000a6] in <df51bc...>:0
UnityEngine.DebugLogHandler:Internal_LogException(Exception, Object)
UnityEngine.DebugLogHandler:LogException(Exception, Object)
Sentry.Unity.Integrations.UnityLogHandlerIntegration:LogException(Exception, Object)
UnityEngine.Logger:LogException(Exception, Object)
UnityEngine.Debug:LogException(Exception)
[...]
All fallbacks failed for models/cloud.glb
All fallbacks failed for models/appleTree.glb
All fallbacks failed for models/apple.glb
[etc]

[ProteanCoding]

Is this the cause of #6063 ?

[ProteanCoding]

Seems to be location specific, on another ISP I did not encounter this issue.