Re: network printer discovery

[Neal Becker]

Thanks!  Good info.  After opening port 5353 udp it seems to be working
fine.
I could have setup manually, but wasn't sure what the URI should be.

On Sun, Aug 23, 2020 at 2:31 PM PGNet Dev  wrote:
> On 8/23/20 10:52 AM, Neal Becker wrote:
> > If I stop firewall (systemctl stop iptables) I can communicate with the
>
> printer.  If I restart the firewall I get "unable to locate printer".
> > My printer is
>
> dnssd://Brother%20HL-L2395DW%20series._ipp._tcp.local/?uuid=e3248000-80ce-11db-8000-3c2af4436b47
> > Any ideas?
>
> if you want _discovery_ to work, open the discovery ports in your firewall
> for your LAN
>     https://www.cups.org/doc/firewalls.html
>
> since you appear to be using ipp/tcp, that'd be
>     631 (IPP/IPPS)
>
> for cups browsing.
>
> do NOT open access to _external_ networks.
>
> generally useful read here:
>     https://en.opensuse.org/SDB:CUPS_and_SANE_Firewall_settings
>
> if you just want to _access_ your printer at a known/fixed IP, set it up
> manually
>     https://www.cups.org/doc/network.html
>
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