File apache2-protocols.conf of Package apache2.openSUSE_Leap_15.2_Update

##
##  Protocol Global Context
##
##  All Protocol related configuration in this context applies both to
##  the main server and all virtual hosts.
##

# These are the configuration directives to instruct the server how to
# serve pages over an http2 connection. For detailing information about these
# directives see <URL:https://httpd.apache.org/docs/2.4/mod/mod_http2.html>
#
# Do NOT simply read the instructions in here without understanding
# what they do.  They're here only as hints or reminders.  If you are unsure
# consult the online docs. You have been warned.

# This global SSL configuration is ignored if "HTTP2" is not defined.

<IfDefine HTTP2>
  <IfModule mod_http2.c>
    Protocols h2 h2c http/1.1
  </IfModule>
</IfDefine>