GUI Firewall configuration tools WAS HP LaserJet troubleshoo…

>     From: Trent Shipley <tshipley@deru.com <mailto:tshipley@deru.com>>
>     > I have an HP LaserJet.

>     Model#?  They only made about 300 different models of those things.
>     It's probably not important here, but may be later.

>     > The three Macs find it and print to it, when I boot my Mac into
>     > windows it prints fine. Unfortunately the Ubuntu 9.04.x box can't
>     > find it.  If I bring up the browser based manager for CUPS, I can't
>     > find anything.  I give it the IP address for the [printer], still
>     > nothing.  I try the HP Linux printer utility and have no luck.

>     In Gentoo, if I didn't have the snmp USE flag defined, the hplip
>     utilities couldn't see or print to any networked HP printers.  This
>     shouldn't be a problem under Debian-derived things though. Also, make
>     sure there aren't any overly-restrictive firewall rules in place like
>     a default DROP without a corresponding ACCEPT for whatever port this
>     is using.  That'd cause the problems you describe.

>     > What I'd like is a systematic diagnostic plan to start
>     > troubleshooting

>     Make sure you can ping the printer from the Ubuntu box first.  Then
>     see if you can "telnet $PRINTER_IP 631" and get a connection (if
>     this thing does IPP), or use whatever port the thing uses.

>     --
>     Matt G / Dances With Crows
>     The Crow202 Blog:  http://crow202.org/wordpress/
>     There is no Darkness in Eternity/But only Light too dim for us to see

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