On Wed, Dec 16, 2015 at 5:40 AM, Stefan Eissing < [email protected]> wrote:
> > Subprocesses get their environment via r->subprocess_env, filled via the > "fixups" hook. This is the usual way how we involve modules in request > processing. But, as I read it, subprocess_env gets filled with all > variables for every request, even though they maybe never read? Hmm, > probably a little late to do anything about that without code breakage. > Not 'all', that's what https://httpd.apache.org/docs/current/mod/mod_ssl.html#ssloptions overrides. While the 'classic' http variables are a pretty short list, mod_ssl is capable of creating a very large list of variables, interesting to only a few cases. HTTPS=on|off is always there, and HTTP2=on|off would be similarly helpful and very low impact.
