AWS Connection issue

We are having issues with a new version deployed to our app.
One of the 4 instances we are running is not being able to connect to secretsmanger due to

UnknownEndpoint: Inaccessible host: [](' at port 443’. This service may not be available in the `us-west-2’ region.

The only apparent difference we see is the region (that instance is in syd)

We also havent found reasons for it on our AWS setup.


Is it actually http:// instead of https://? That seems suspicious.

Its using port 443, so it should be going through ssl.

And that call is being made by the AWS SDK, so I supose it should not be different across different instances.

  • we ended up getting rid of the syd region and adding sin as a replacement, which works fine with the same code
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