https://bugzilla.novell.com/show_bug.cgi?id=230730 ------- Comment #5 from mhejpetr@mhn.cz 2007-01-04 04:50 MST ------- (In reply to comment #3) You are right. Commentating or deleting of the "Listen /var/run/cups/cups.sock" line in /etc/cups/cupsd.conf (and cups service restart) can solve this problem. But it is workaround only, of course...
I think that the problem is due to the fact that non-TCP connections to CUPS have to pass through a TCP wrapper. The proof to this is that the problem can be exploited launching "lpq", that connects to CUPS using the local socket in /var/run/cups/cups.sock (you can check it with strace).
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