> Now, for some reason, current Firefox doesn't seem to do any of > this > (compatibility?) but it may only be a matter of time. Probably due to gnu.org wonkiness: ~ λ curl -LI https://www.gnu.org […] Strict-Transport-Security: max-age=63072000 I.e., missing includeSubDomains, and (at least my) browser's apparent urge to connect to www.gnu.org even when I type https://gnu.org. We can't keep relying on this, though. Kind regards, T G-R