Is possible to using same upstream in "mail", "http" and "stream" block?

Server NGINX
1

is possible to using same upstream* module in “mail”, “http” and
“stream”
block?

Posted at Nginx Forum:

2

i mean can using same upstream and upstream_hash module, and so on.

“http” “mail” just different protocol, can using different
protocol_praser
to handle the request…

Posted at Nginx Forum: