Hammer CLI behind a http proxy / how to do this please?

exporting https_proxy and http_proxy before to run the hammer command seems to not affect at all the hammer cli command behaviour.
Please how to set up a command behind an http proxy ?

Foreman and Proxy versions:

Distribution and version:
RHEL 8.8

Not designed ?

Not designed and not answered neither ?
I try hammer subcommand :
hammer auth login oauth
And it supposed to contact both the RH SSO server and the foreman server.

Major problem : my RH SSO server is only accessible on the internet. …
Help !