Shib Request Env Vars vs Headers using mod_jk vs mod_proxy_http2

[Dan McLaughlin]

We've used mod_jk for years and always used request envvars instead of
headers, but due to new security requirements, we need to move to
mod_proxy_http2 over TLS.  In my initial testing, I've only had
success getting attributes over if I use HTTP headers. From my
reading, it seems like that might be the only option. Has anyone else
been able to figure out how to use mod_proxy_http2 without having to
enable ShibUseHeaders?

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Thanks,

Dan