You can allow CUPS browser information (BrowseAllow) for additional
selected addresses. Browsing information is broadcast, by default, on address 255.255.255.255.
Here??™s how these defaults appear in the cupsd.conf file:
Browsing On
BrowseProtocols cups
BrowseOrder Deny,Allow
BrowseAllow from @LOCAL
BrowseAddress 255.255.255.255
Listen *:631
To enable Web-based CUPS administration, the cupsd daemon listens on port 631 for all network
interfaces to your computer based on this entry: Listen *:631.
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Running Servers Part V
By turning on BrowseRelay (it??™s off by default), you can allow CUPS browse information to be
passed among two or more networks. The source-address and destination-address can be
individual IP addresses or can represent network numbers:
BrowseRelay source-address destination-address
This is a good way to enable users on several connected LANs to discover and use printers on
other nearby LANs.
You can allow or deny access to different features of the CUPS server. An access definition for a
CUPS printer (created from the Printer Configuration window) might appear as follows:
Order Deny,Allow
Deny From All
Allow From 127.0.0.1
AuthType None
Here, printing to the ns1-hp1 printer is allowed only for users on the local host (127.
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