# Avoid ports doubled used

**URL:** <https://forums.suse.com/t/avoid-ports-doubled-used/20736>\
**Category:** Rancher 1.x\
**Created:** [July 17, 2021, 6:38am UTC](https://forums.suse.com/t/avoid-ports-doubled-used/20736 "2021-07-17T06:38:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rprengel](https://avatars.discourse-cdn.com/v4/letter/r/bbce88/32.png) [@rprengel](https://forums.suse.com/u/rprengel)\
**Post date:** [July 17, 2021, 6:38am UTC](https://forums.suse.com/t/avoid-ports-doubled-used/20736/1 "2021-07-17T06:38:29Z")

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Hallo,  
ist there a way to avoid doubled configured ports while using tools like jenkins to import ans start stacks?  
Or if not is there away to list all ports in use?  
Ralf