How to access CUPS from remote systems in Red Hat Enterprise Linux

Solution Verified - Updated -


  • Not able to access CUPS web interface from remote system in the same subnet.
  • Browser shows "403 Forbidden" or "403 Autnentication Denied" error.
  • The following errors are showing up in /var/log/cups/error_log:

    cupsdReadClient: 9 GET /admin/ HTTP/1.1
    cupsdSendError: 9 code=403 (Forbidden)
  • The lpadmin command returns Transport endpoint is not connected when trying to list printers on a remote system:

    $ lpstat -h rhel810-master -a
     lpstat: Transport endpoint is not connected


  • Red Hat Enterprise Linux 5, 6, 7, 8
  • Common Unix Printing System (CUPS), all versions

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