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TI-API: Does TI server block ddns.net?

Part Number: TI-API

Tool/software:

If I set origin as `*.ddns.net`, I get "Access Defined"

(As the following cURL comamnd)

```

curl 'transact.ti.com/.../accesstoken' \

-H 'Content-Type: application/x-www-form-urlencoded' \

-H 'Origin: http://example.ddns.net' \

--data-raw 'grant_type=client_credentials&client_id=...&client_secret=...'

```

However, it works just fine if I remove the `Origin`; it also works if I use other domains as the `Origin`.

```

curl 'transact.ti.com/.../accesstoken' \

-H 'Content-Typeapplication/x-www-form-urlencoded' \

--data-raw 'grant_type=client_credentials&client_id=...&client_secret=...'

```

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