# Vault & JWT authentication method

**URL:** <https://discuss.hashicorp.com/t/vault-jwt-authentication-method/14898>\
**Category:** Vault\
**Created:** [September 30, 2020, 1:26pm UTC](https://discuss.hashicorp.com/t/vault-jwt-authentication-method/14898 "2020-09-30T13:26:21Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![maciejkonigsman](https://sea2.discourse-cdn.com/hashicorp/user_avatar/discuss.hashicorp.com/maciejkonigsman/32/18159_2.png) [@maciejkonigsman](https://discuss.hashicorp.com/u/maciejkonigsman)\
**Post date:** [March 23, 2021, 3:19pm UTC](https://discuss.hashicorp.com/t/vault-jwt-authentication-method/14898/4 "2021-03-23T15:19:40Z")

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> [@maciejkonigsman](#):
>
> help

I found solution. I used parameter jwks\_ca\_pem=@\<path\_to\_pem\>  
It is documented under below link but it wasn’t that obvious when I checked this document first time.  
[JWT/OIDC - Auth Methods - HTTP API | Vault | HashiCorp Developer](https://www.vaultproject.io/api/auth/jwt)

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