Nginx: httpoxy vulnerable

[ragnarkurmwunder]

https://wunder.slack.com/archives/CAC0EPL1G/p1598441452006300?thread_ts=1598441403.006200&cid=CAC0EPL1G

I see:

# Mitigate HTTPoxy
# https://httpoxy.org/
fastcgi_param HTTP_PROXY '';

at the top level of the drupal conf.
Should it not be in fastcgi.conf?

At least I'm not able to create any fastcgi_param at the top level that is passed down to Php-fpm.