The dialog to configure the CUPS server network settings is shown here. It includes:
Look for hostname on IP addresses
Port
Max request size
Timeout
Whether or not to do lookups on IP addresses to get a fully-qualified hostname. This defaults to off, for performance reasons.
Enter here Ports and addresses that the server will listen to. The default port 631 is reserved for the Internet Printing Protocol, and is what we use here.
You can have multiple entries, to listen to more than one port or address, or to restrict access.
Unfortunately, most web browsers don't support TLS or HTTP upgrades for encryption. If you want to support web-based encryption, you'll probably need to listen on port 443, the HTTPS port.
Use the and buttons to add and remove entries from the list.
You can enter ports on their own, e.g.
631
, or hostnames with ports, e.g.
myhost:80
or 1.2.3.4:631
.
Controls the maximum size of HTTP requests and print files. The default setting is 0, which disables this feature.
The timeout (in seconds) before requests time out. The default is 300 seconds.
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