Not able to access CUPS web interface from remote system in the same subnet. Browser shows "403 Forbidden" or "403 Authentication Denied" error. The following errors are showing up in /var/log/cups/error_log:
Full Answer
How to setup Cups printer Admin web GUI for remote access?
How to Setup CUPS Printer Admin Web GUI for Remote Access 1 Manage Printer from Web GUI. To configure this URL, you must do the following changes on your /etc/cups/cupsd.conf ... ... 2 Allow Local Subnet to Access Printer Web GUI. ... 3 Restart the CUPS Service. ... 4 CUPS Web UI for Remote Access. ... 5 Shared Printer Configuration. ...
Is there a way to share Cups with remote admin?
It will update the /etc/cups/cupsd.conf file and restart cups for you, saving a backup of the previous configuration in the same folder. It's the similar to the method presented in the official CUPS guide to printer sharing . I found the options --remote-admin in man cupsctl. Show activity on this post. Secure, and allows remote access.
Do I need a @system user to run Cups?
This config does however do away with using @SYSTEM user, and instead will accept any 'local', valid user. The use-case for the config is running CUPS in a docker container, so it seemed best to avoid requiring anything 'special', beyond a user with a password, to provide admin access to CUPS.
How do I enable or disable browsing in cups?
You can also enable or disable browsing support in your CUPS. When you enable the browsing, then this will display the shared printers from your local network. Add the following entries to your cupsd.conf file if you want Browsing to be turned on. # vi /etc/cups/cupsd.conf ..
How do I access Cup web interface from another computer?
In this quick tutorial, we'll show you how you can allow web UI access for an existing CUPS installation.Manage Printer from Web GUI. ... Allow Local Subnet to Access Printer Web GUI. ... Restart the CUPS Service. ... CUPS Web UI for Remote Access. ... Shared Printer Configuration.
How do I enable the cup web interface on a Mac?
To open CUPS, open Safari and type in http://localhost:631 This port will open CUPS. If you get an enablement prompt, you must enable the feature in terminal. To enable CUPS: 1. Select and copy 'cupsctl WebInterface=yes' 2.
What is the CUPS username and password?
You can then use the default user name "pi" and password "raspberry" when prompted.
How do I configure CUPS client?
CUPS Client ConfigurationCheck that cups packages are installed. ... Edit the configuration file /etc/cups/cups-browsed.conf and add the required configuration directives, some of the following are the ones available: ... Start the cups service. ... Start the avahi-daemon service. ... Start the cups-browsed service.More items...
How do I enable printer CUPS?
How to Set Up a Printer by Using the lpadmin CommandConnect the printer to the system, then turn on the power to the printer. ... Become an administrator. ... Use the lpadmin command with the -p option to add a printer to CUPS. ... Enable the printer to accept print requests and to print those requests.More items...
What is a CUPS driver for Mac?
CUPS (formerly known as Common UNIX Printing System), is a network printing system that allows Mac OS devices to connect to various printers on a network, including Cash Drawers.
How do I access the CUPS admin page?
To access the web browser interface, go to http://localhost:631. The CUPS web browser interface can be accessed from all supported browsers. Depending on the task that you are performing, you might be prompted for a user name and password, or for the root user name and password.
How do I reset my cup password?
Or you can edit the /etc/cups/cupsd. To do this, enter this command as root: root@cameleon # lppasswd -a username Enter password: Enter password again: You can then administer CUPS with this user.
How do you use the cup web interface?
First off, go to http://localhost:631/printers/.A screen will appear saying 'Web Interface is Disabled':Select and copy 'cupsctl WebInterface=yes'Next, click the magnifying glass in the top right hand corner of your screen and search for 'Terminal':More items...•
How do you access the cup GUI?
To access the web browser interface, go to http://localhost:631. The CUPS web browser interface can be accessed from all supported browsers.
How do you enable printer on Mac?
Connect to Your PrinterClick on the Apple symbol on the top, left-hand corner. Then, click System Preferences.Click on the Printers & Scanners icon.Click the plus “+” sign to add the printer. ( ... A new window will open. ... Add the printer to your computer and it should appear in your printers list once configured.
How do you use a Cup driver?
Adding a New CUPS DriverIn Setup, go to Devices > Printer > CUPS > Printer.Click to get to Add dialogue.Define the following settings: Printer name: Name of the printer. Printer port: Port to which the printer is connected. ... Click Ok to save the settings.Restart your device.
How do you launch the terminal on a Mac?
Open Terminal Click the Launchpad icon in the Dock, type Terminal in the search field, then click Terminal. In the Finder , open the /Applications/Utilities folder, then double-click Terminal.
CUPS web config 403 Forbidden
I recently set up a headless ubuntu server (ubuntu server 9.10). As well as many other things i would like to use it as a printer server. Being a headless machine, i would like to configure cups using the webui from another computer on the lan. However when i browse to http://server:631/ i get a 403 forbiden error.
Re: CUPS web config 403 Forbidden
Solution 2 worked nicely for me too (I didn't try solution 1). However it seems to completely rewrite your cups config file (/etc/cupsd.conf) so be warned!
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What does lpadmin do in RHEL 8?
In RHEL 8, the lpadmin command returns "Bad file descriptor" when trying to list printers on a remote system by setting " ServerName name.of.remote.system " in /etc/cups/client.conf:
Manage Printer from Web GUI
All the printer configurations & classes that we setup using lpadmin command line, can also be managed from your browser from the following location:
Allow Local Subnet to Access Printer Web GUI
Add the local desktop IP address or the subnet from which you want to access the printer URL, it should look like below in /etc/cups/cupsd.conf
Restart the CUPS Service
After making the above changes, restart the CUPS service as shown below.
CUPS Web UI for Remote Access
After the above changes, you should be able to access the printer from Web URL as shown below:
What protocol does CUPS use?
By default, CUPS uses the Internet Printing Protocol (IPP) to send jobs from a client to a server. When printing to legacy print servers you may also use the Line Printer Daemon (LPD) protocol when printing to older UNIX-based servers or Server Message Block (SMB) when printing to Windows ® servers.
Can CUPS run without a spooler?
CUPS can be configured to run without a local spooler and send all jobs to a single server. However, if that server goes down then all printing will be disabled. Use this configuration only as absolutely necessary.
Can SMB access shared printers?
Clients can automatically discover and access shared printers via DNS Service Discovery (DNS-SD a.k.a. Bonjour ® ). SMB browsing can also be used to manually discover and access shared printers when Samba is installed.
