Accessing Printer Behind NAT

Fred fherman at inferential.com
Sat Feb 11 19:28:00 PST 2012


I have a local network on a NAT interface.  A firewall machine connects the NAT network (WLAN) to an outward network (LAN).  I created a virtual printer on the firewall machine using IPP which points to a remote printer on one machine on the WLAN network.  I can print from the firewall machine to the remote printer OK.

However, what I need to be able to do is print from a machine on the LAN network to the printer on the WLAN network.  When I set up a printer definition on the LAN machine pointing to the virtual printer on the firewall, it seems to be work, but then when I try to print, it fails.  The CUPS error file shows an error #0700: server-error-not-accepting-jobs.

Another thing I noticed while trying all sorts of things was that the virtual printer keeps getting the "sharing" disabled.  I actually got it working once, but then I continued to tinker with things and now can't get the LAN side to print to the WLAN printer.  I have ruled out any firewall issues.

I could use some more clues.

TIA

Fred







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