# Running legacy C application as non root user

**URL:** <https://forum.legato.io/t/running-legacy-c-application-as-non-root-user/4068>\
**Category:** Uncategorized\
**Created:** [January 28, 2019, 4:44am UTC](https://forum.legato.io/t/running-legacy-c-application-as-non-root-user/4068 "2019-01-28T04:44:03Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![bengler](https://avatars.discourse-cdn.com/v4/letter/b/ac91a4/32.png) [@bengler](https://forum.legato.io/u/bengler)\
**Post date:** [February 19, 2019, 1:47pm UTC](https://forum.legato.io/t/running-legacy-c-application-as-non-root-user/4068/3 "2019-02-19T13:47:02Z")

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Ports less than 1024 can only be opened as root. Please refer forum topic: [[Solved]Open socket in a sandbox](https://forum.legato.io/t/solved-open-socket-in-a-sandbox/2510)

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