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Avoid printing problems caused by firewall-type software System
Some may have heard of some bugs with Adobe, Microsoft and other apps not being able to select a printer, or with apps such as Illustrator getting a "Please use Chooser" type error when selecting Page Setup.

I had such a problem and found the solution was that Little Snitch was blocking all network access to certain applications (I hate spyware). After removing the blocks to the local network, I was able to print again.

Printing (CUPS) in OS X is handled the same way network connections are, and uses port 631 on your local network (127.0.0.1). Other firewalls can cause the same problems if port 631 is blocked.
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Avoid printing problems caused by firewall-type software
Authored by: yuri_b on May 15, '03 11:29:15PM

Oh, hooray! I had been reduced to using preview to print all my Word docs. Indeeed, it was Little Snitch that was the cause. Opened port 631 on local network to Word, and can now see the network printer.

Thanks for the hint. All working well now.



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Avoid printing problems caused by firewall-type software
Authored by: srjosh on Nov 24, '03 11:04:16PM

I think you may have just saved my sanity.

It seems like Norton Personal Firewall was doing the same thing.

sWEEET!

sj



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