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cnst
2015 Jan 18
2
CentOS 6, CUPS and Canon printers problem
...nter works fine from a Windows machine. The web-based GUI
can be accessed from the C6 machine without problem either. However,
CUPS cannot "discover" the printer when adding a new printer although
it could probe it successfully if I provide the IP address. Neither
could the Canon provided cnnst application find the printer on its
own.
This appeared to be related to iptables since it would discover the
printer if I disable iptables. I assume the discovery is done by SNMP
so it is a little odd why iptables have to be disabled for the C6
machine to find the printer which is the "server...