solved: Fedora Core 7: printer won't share beyond 192.168.1.0/8

Thanks to the people who helped on this problem (pasted below) when I
posted it yesterday. I was able to determine that the default
/etc/cups/cupsd.conf differs between Fedora Core 4 and 7, the newer
version denying printer access from outside the subnet, and the more
familiar older version allowing it.

--comp lit

***************************************************

To solve a print server problem I've posted to this list about previously,
I'm upgrading one client from Fedora Core 4 to Fedora Core 7 (the current
version) and am configuring it as the print server. I go through all the
expected settings and the new print server works fine, but only for
clients on the same router. Clients that send jobs from outside never get
into the print queue, and when external clients browse to the cups queue
status web page they get 403'ed. Local clients browse to it fine.

I've checked my firewall and port forwarding on the router, but just to
rule that stuff out I've tried it with the firewall down and the print
server as the router's DMZ, but still no dice.

In the cups error log, it reports "Listening to 0:0:0:631 on fd4" which
seems odd, and it also says "unable to bind socket for address :::631 -
Already in use." It also says "cupsd authorize: Local authentication
certificate not found!" in several places. I'm not sure what these errors
are telling me, and the print server does work fine for 192.168.1.0/8. The
cups access log shows the 403's for the external network, but I have no
clue why cups on this FC7 server forbids the outside network when the FC4
version had no problem. Any suggestions as to what I am missing?

--comp lit

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Received on Thu Aug 30 2007 - 21:49:10 PDT