Re: Connecting to a Zeroconfig/Avahi printer

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On Tue, May 15, 2012 at 05:25:39PM -0400, Bill Davidsen wrote:
> Reindl Harald wrote:
> >
> >
> >Am 15.05.2012 16:24, schrieb Steven Stern:
> >>On 05/15/2012 08:57 AM, Paul W. Frields wrote:
> >>>On Mon, May 14, 2012 at 11:25:47PM +0200, Reindl Harald wrote:
> >>>>
> >>>>
> >>>>Am 14.05.2012 23:22, schrieb Steven Stern:
> >>>>>I have a really nice HP printer that's currently connected via USB cable
> >>>>>to this system.  I need to move it out of cable range.  My OS/X and iOS
> >>>>>devices are able to find it and print to it using the magic of Bonjour.
> >>>>>  Is there a way for Fedora to use it via Avahi, rather than ipp and
> >>>>>giving the printer a fixed IP address?
> >>>>
> >>>>
> >>>>http://localhost:631/
> >>>>
> >>>>CUPS does find network-printers via avahi
> >>>
> >>>Ensure that your Fedora client system's firewall has port 5353/udp
> >>>(mDNS) and 631/udp (IPP client) open, and things should generally Just
> >>>Work(tm).
> >>>
> >>
> >>It seems to be more than 5353 and 631.  With the iptables service
> >>running, I don't see the printer in CUPS. If I stop the iptables
> >>service, I do.  What's missing here?
> >>
> >
> >it is only 5353 used BUT UDP, 100% sure and no there is no need
> >to open jetdirect INCOMING or other voodo
> >
> >avahi works on UDP and your UDP rule looks strange
> >what is the "224.0.0.251" for?
> >
> Isn't that multicast? Can't conveniently look it up at the moment,
> but that rings a bell.

Correct, it's a multicast address.

-- 
Paul W. Frields                                http://paul.frields.org/
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