# Local domain + port; licenseKey not recognised

**URL:** <https://pdfjs.community/t/local-domain-port-licensekey-not-recognised/2007>\
**Category:** Technical Support\
**Created:** [September 6, 2022, 2:37pm UTC](https://pdfjs.community/t/local-domain-port-licensekey-not-recognised/2007 "2022-09-06T14:37:32Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![andrew](https://avatars.discourse-cdn.com/v4/letter/a/f19dbf/32.png) [@andrew](https://pdfjs.community/u/andrew)\
**Post date:** [September 7, 2022, 7:15am UTC](https://pdfjs.community/t/local-domain-port-licensekey-not-recognised/2007/6 "2022-09-07T07:15:19Z")

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@zserviss To be clear: we’re talking about the `.local` part of the URL? Is this something you ever intend supporting? What domains _are_ supported then? It seems a little odd you would even check if a domain is valid or not - why would pdfexpress care if `domain.local` is a real domain or not? It’s just a proxy back to localhost (thanks to `/etc/hosts`)

Unfortunately this means we will not be able to use `pdf.jsexpress` given we won’t be able to properly develop with it. Seems like an oversight that it explicitly won’t accept custom domains?? This software would otherwise serve the purposes we were looking for.

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