Comment 8 for bug 1724151

Meanwhile, I tested a little further with my patch and experienced two unrelated bugs in hplip which prevent proper setup after enabling some security related features using the printer's embedded web-config. (I will file separate bugs and probably fixes for those) so watch out for the following caveats (for now):

1. In the printer's web-config, do NOT enable HTTPS-enforcement
   (hplip does not handle the resulting 301 HTTP response from the printer at all and also sends and
   invalid Host header in the first place)

2. In the printer's web-config do NOT set an admin password
   (hplip does not handle the resulting 401 HTTP response at all and fax setup will silently fail)

Until those are fixed, i'd recommend instead to use the printer's firewall to restrict general access to the IP range in your local network.

Cheers
 -Fritz