Connecting to a Zeroconfig/Avahi printer

[Rick Stevens]

On 05/15/2012 07:24 AM, Steven Stern wrote:
> 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?
>
>
>
> ACCEPT     all  --  anywhere             anywhere             state
> RELATED,ESTABLISHED
> ACCEPT     icmp --  anywhere             anywhere
> ACCEPT     all  --  anywhere             anywhere
> ACCEPT     ah   --  anywhere             anywhere
> ACCEPT     esp  --  anywhere             anywhere
> ACCEPT     udp  --  anywhere             anywhere             state NEW
> udp dpt:isakmp
> ACCEPT     udp  --  anywhere             224.0.0.251          state NEW
> udp dpt:mdns
> ACCEPT     udp  --  anywhere             anywhere             state NEW
> udp dpt:ipp
> ACCEPT     tcp  --  anywhere             anywhere             state NEW
> tcp dpt:ipp
> ACCEPT     udp  --  anywhere             anywhere             state NEW
> udp dpt:ipp
> ACCEPT     udp  --  anywhere             anywhere             state NEW
> udp dpt:netbios-ns
> ACCEPT     udp  --  anywhere             anywhere             state NEW
> udp dpt:netbios-dgm
> ACCEPT     tcp  --  anywhere             anywhere             state NEW
> tcp dpt:ssh
> ACCEPT     tcp  --  anywhere             anywhere             state NEW
> tcp dpt:db-lsp
> ACCEPT     udp  --  anywhere             anywhere             state NEW
> udp dpt:db-lsp
> ACCEPT     udp  --  anywhere             anywhere             state NEW
> udp dpt:rfe
> ACCEPT     tcp  --  anywhere             anywhere             state NEW
> tcp dpt:rfe
> ACCEPT     tcp  --  anywhere             anywhere             state NEW
> tcp dpt:51413
> ACCEPT     udp  --  anywhere             anywhere             state NEW
> udp dpt:51413
> ACCEPT     tcp  --  anywhere             anywhere             state NEW
> tcp dpt:mdns
> REJECT     all  --  anywhere             anywhere
> reject-with icmp-host-prohibited

HP often uses "jetdirect" (TCP port 9100), so make sure that's
permitted in your firewall as well.
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- Rick Stevens, Systems Engineer, AllDigital    ricks at alldigital.com -
- AIM/Skype: therps2        ICQ: 22643734            Yahoo: origrps2 -
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- If you're not part of the solution, you're part of the precipitate -
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