# Pups::ExecError

**URL:** <https://meta.discourse.org/t/pups-execerror/264176>\
**Category:** Self-hosting\
**Created:** [May 8, 2023, 12:15am UTC](https://meta.discourse.org/t/pups-execerror/264176 "2023-05-08T00:15:52Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![Justman10000](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/justman10000/32/252913_2.png) [@Justman10000](https://meta.discourse.org/u/Justman10000)\
**Post date:** [May 11, 2023, 9:32am UTC](https://meta.discourse.org/t/pups-execerror/264176/13 "2023-05-11T09:32:24Z")

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How is that supposed to work? How is the web server supposed to know that another site is now being added? Reverse proxies cannot use the same port multiple times

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