# Openssl version

**URL:** <https://community.traefik.io/t/openssl-version/7833>\
**Category:** Traefik v2\
**Tags:** docker, cli\
**Created:** [September 23, 2020, 4:22pm UTC](https://community.traefik.io/t/openssl-version/7833 "2020-09-23T16:22:11Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![binary64](https://sea2.discourse-cdn.com/flex020/user_avatar/community.traefik.io/binary64/32/2625_2.png) [@binary64](https://community.traefik.io/u/binary64)\
**Post date:** [September 23, 2020, 4:22pm UTC](https://community.traefik.io/t/openssl-version/7833/1 "2020-09-23T16:22:11Z")

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Greetings!  
How would I go about finding which version of openssl is being used in my Traefik containers? I tried the usual `openssl version` but there is no such command.  
Alternatively, if openssl isn't used, what library and version does it use instead?  
Many thanks

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**Author:** ![cakiwi](https://sea2.discourse-cdn.com/flex020/user_avatar/community.traefik.io/cakiwi/32/3205_2.png) [@cakiwi](https://community.traefik.io/u/cakiwi)\
**Post date:** [September 23, 2020, 4:38pm UTC](https://community.traefik.io/t/openssl-version/7833/2 "2020-09-23T16:38:41Z")

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Hi @binary64

I believe it is using golangs crypto/tls [https://godoc.org/crypto/tls](https://godoc.org/crypto/tls)

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**Author:** ![system](https://us1.discourse-cdn.com/flex020/uploads/containo/original/2X/b/bd81ebdb578656e76e56ff3cc3eed021d3ba132d.png) [@system](https://community.traefik.io/u/system)\
**Post date:** [September 26, 2020, 4:38pm UTC](https://community.traefik.io/t/openssl-version/7833/3 "2020-09-26T16:38:44Z")

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