Hello Winston-

I am not following your question. So, you are using webhook authn
<https://kubernetes.io/docs/admin/authentication/#webhook-token-authentication>
and
want to know when it hits the webhook?

If so, my understanding is that the webhook is hit on every API request.

> When a client attempts to authenticate with the API server using a bearer
token as discussed above, the authentication webhook queries the remote
service with a review object containing the token. Kubernetes will not
challenge a request that lacks such a header.


Brandon

On Thu, Mar 23, 2017 at 11:57 PM Winston <wujun8.2...@gmail.com> wrote:

> Hi,
>
> Now I'm working on the authentication by webhook, and I need to know how
> long will it be another verify on the user token after pass the last
> authentication?
>
> Or, it's just that, every access to the api-server, it wiil be asked to
> verify the token, no cookies at all.
>
> Thanks!
>
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