https://bugs.openldap.org/show_bug.cgi?id=9247
--- Comment #1 from Ryan Tandy ryan@openldap.org --- (In reply to Michael Ströder from comment #0)
IMO OpenLDAP's own site should also provide downloads via HTTPS:
That already works, at a slightly different URL:
https://www.openldap.org/software/download/OpenLDAP/openldap-release/ ("OpenLDAP FTP by HTTP" link at the bottom).
Perhaps the top release link could point there.