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Firewall and Printer Sharing: Annoying Delays

Update:11-30Source: network consolidation
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Howdy, all:
We are running Mac OS X Server v10.6.2 on a Mac mini server with no out-of-the-ordinary settings. We're using it as a file, print and chat server in our small office. Here are the basics of the network configuration:
- Ethernet connected with a public, static IP address (manually assigned)
- Airport connected with a private 192.168 address (reserved DHCP address from the Airport Extreme)
We have two printers we're sharing with the Mac mini, both of which are directly connected to the server via USB.
Here's the issue: the printers work beautifully in all cases, for all users, whenever Firewall is stopped. However, when Firewall is started, client computers say "Connecting to printer..." for about a minute before they spool the job. (They do, in fact, successfully connect and spool, as expected, but the one minute delay [or so] is for each print job -- so if you send three things to the printer, you're waiting one minute between each job.)
I have done everything I can to figure out how to make this stop. Even when "Any" IP is given "Allow all traffic," and all rules in the "Advanced" pane are turned off, you still get this annoying pause. Only when the Firewall service is fully stopped do things behave exactly as expected.
We are using only IPP, and the printers are broadcasting over Bonjour exactly as expected. Furthermore, port 631 (and any other ports I could find documented as related to IPP) are also open on all network interfaces. But as I said, even when I have the Firewall service configured to allow all traffic on all ports, so long as it is enabled, you get this very annoying pause before the client can connect.
Totally at a loss. What information can I provide to get some definitive assistance in resolving this issue?
Thanks! Signed,
Waiting for my PrintJob

The Best Answer

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It's acting correctly - just 'different' than what previous versions did.
The three options listed are kind of in a goofy order because we mentally expect it to go wide open to totally shut or some sort of progressive range.
Instead, it goes from:
- Allow everything
- Allow nothing (except stuff the OS just HAS to have to work like a mac)
- Allow my apps to actually work too
... So things get auto-added to that box as apps get started and you tell it if you want it to be able to get things from the network. When you selected printer sharing, it went into that box like with the rest of the apps so you didn't have to add it yourself.
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