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10.5: Firewall settings and USB Printer sharing System 10.5
After 'Leopardizing' my machines, I couldn't get my wife's MacBook to share the two USB printers that I have hooked up to my G4 iMac. I had noticed this new firewall in 10.5, and thought it would be a good idea to "Block some connections" -- not really knowing which ones it would block.

Well, it turns out that this setting was blocking the MacBook from trying to connect to the shared printers. Once I set the firewall back to "Allow all connections," the wife was happy again.
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10.5: Firewall settings and USB Printer sharing | 2 comments | Create New Account
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10.5: Firewall settings and USB Printer sharing
Authored by: j_henry on Feb 04, '08 02:00:25PM

I had the same issue with my wife's G4 mini trying to share the printers hosted on my Intel iMac. After some experimenting I found that you can set the firewall in 10.5 to accept input to the printer drivers. Go to the firewall on the host machine and set it to define applications and services. Add each shared printer's driver to the list of applications and set it to allow input data. Now you can share the printers and you have a little bit more security. You also have the advantage of controlling which printers are shared.

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10.5: Firewall settings and USB Printer sharing
Authored by: daybrother on Feb 04, '08 06:39:40PM

I had a different experience. I tried to print to my unshared HP photo after moving my G4 PB to Leopard and...nothing. I reinstalled drivers. I used driver utility, I checked the website and installed the newest drivers---though they were listed as not needed in Leopard and...nothing. After about an hour and a half of all this, including firewall changes, I unchecked "share this printer" and it suddenly worked perfectly.

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