non-standard IPP-Port

[Elmar]

Michael Sweet wrote:

> Elmar wrote:
>>> Elmar wrote:
>>>> The printer is connected to a USR-Router via USB and the URI is:
>>>> http://<IP-Adress>:1631/printers/my_printer
>>>> Yes, it is port 1631! It's fix value by USR.
>>>> Until 1.1.xx everything was ok, but since 1.2. it isn't possible to let
>>>> cups take the non-standard value 1631. What can I do?
>>> USR's IPP implementation is broken.  Report the problem to USR.
>>>
>> And this problem apply only cups machines?
>> From other non-cups network machines (XP, Vista) it's possible to print
>> to this URI. Then I downgrade cups to 1.1. and everything is fine.
> 
> Windows only suppports IPP/1.0 (poorly).
> 
Now I understand, thanks for the lesson.  ;-)

Regards, Elmar


> CUPS 1.1.x did not send the Expect: header, and thus was vulnerable
> to a variety of man-in-the-middle and disclosure issues.  CUPS 1.2
> and higher first tries with Expect: and then without, but USR's IPP
> implementation blows up.
>