As noted by Marcel in https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15427#c17
Created attachment 61004 [details] [review]
Bug 18245: Add missing TLS to debian/templates/koha-conf-site.xml.in
This was found as a result of testing another bug.
Added missing line.
If you want to add this, I think you also need to add <ca>, <cert> and <key>?
(In reply to Mirko Tietgen from comment #2)
> If you want to add this, I think you also need to add <ca>, <cert> and <key>?
You may be right, but check out the diff between etc/koha-conf.xml and debian/templates/koha-conf-site.xml/in currently.
I'm not sure the correct way to add, because hard-coded-path/__KOHASITE__/rest-of-path is not the same as __SOME_THING_TO_FULLY_REPLACE__/rest-of-path.