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RE: IPP> Re: New IPP Scheme

"Carl Kugler" <kugler@us.ibm.com> Thu, 16 July 1998 17:36 UTC

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Date: 16 Jul 1998 17:24:17 -0000
Message-ID: <19980716172417.30767.qmail@m2.findmail.com>
From: "Carl Kugler" <kugler@us.ibm.com>
Subject: RE: IPP> Re: New IPP Scheme
In-Reply-To: <199807161655.AA25353@interlock2.lexmark.com>
To: ipp@pwg.org
Sender: owner-ipp@pwg.org

Carl:
> 
> The implementation MUST support port 631 however, mine is administratively
> set to only OPERATE on port 80.  The code is compliant.
> 
> Don
> 
> 
Hmmm... I think we need some clarification in the wording here, because I think it's ambiguous as it stands.  Here's another quote:  "IPP server implementations MUST offer IPP services using HTTP over the IANA assigned Well Known Port 631 (the IPP default port). IPP server implementations may support other ports, in addition to this port."

So you read "suport" and "offer IPP services" to mean "can be configured to listen on" rather than "is required to listen on"?

    -Carl

> 
> 
> "Carl Kugler" <kugler%us.ibm.com@interlock.lexmark.com> on 07/16/98
> 12:18:26 PM
> 
> To:   ipp%pwg.org@interlock.lexmark.com
> cc:    (bcc: Don Wright)
> bcc:  Don Wright
> Subject:  RE: IPP> Re: New IPP Scheme
> 
> 
> 
> 
> ...
> > Sorry Larry, but my printer isn't on the default IPP port of 631.  Mine
> is
> > on 80 so my URL is exactly right.  Not all implementations MUST be on
> 631.
> ...
> That's not how I read ftp://ftp.pwg.org/pub/pwg/ipp/new_PRO/ipp-pro-980630
> 
> It says "It is REQUIRED that a printer implementation support HTTP over the
> IANA assigned Well Known Port 631...".  Therefore, a conforming
> implementation MUST be on 631, although it might also be on some other port
> simultaneously.
> 
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