Please could you post the lines containing "audit", "DENIED", and
"cupsd" or "cups-browsed" which are in your /var/log/syslog and/or your
journal here?
Try to find especially the messages which appear when you print a job
until you get the error message "No suitable Destination Host found by
cups-browsed".
Can you print in AppArmor's complain mode?
Switch to complain mode with
sudo aa-complain cupsd
sudo aa-complain cups-browsed
and back to the default enforce mode
sudo aa-enforce cupsd
sudo aa-enforce cups-browsed
Please try at first to only put cupsd into complain mode, after that
only cups-browsed, and after that both.
With which of these settings are you able to print and with which not?
** Changed in: cups (Ubuntu)
Status: New => Incomplete
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to cups in Ubuntu.
https://bugs.launchpad.net/bugs/1979079
Title:
Can print to (brother) driverless printer only using aa-complain cupsd
Status in cups package in Ubuntu:
Incomplete
Bug description:
The apparmor configuration for cupsd is incorrect and makes it
impossible to print to driverless printers (at least to the brother
printer I am trying). Cups cannot obtain the IP address of the
printer.
You get "No suitable Destination Host found by cups-browsed"
There are multiple reports of this issue on the network, also wrt
debian.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: cups-daemon 2.4.1op1-1ubuntu4.1
ProcVersionSignature: Ubuntu 5.15.0-39.42-generic 5.15.35
Uname: Linux 5.15.0-39-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Fri Jun 17 18:19:32 2022
EcryptfsInUse: Yes
InstallationDate: Installed on 2020-02-16 (852 days ago)
InstallationMedia: Kubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: SCHENKER SCHENKER_SLIM14_SSL14L19
Papersize: a4
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-39-generic
root=/dev/mapper/VG_NVMe-root ro quiet splash vt.handoff=7
SourcePackage: cups
UpgradeStatus: Upgraded to jammy on 2022-06-03 (14 days ago)
dmi.bios.date: 10/02/2019
dmi.bios.release: 7.4
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: 1.07.04RTR1
dmi.board.asset.tag: Tag 12345
dmi.board.name: N141CU
dmi.board.vendor: SCHENKER
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.ec.firmware.release: 7.2
dmi.modalias:
dmi:bvnINSYDECorp.:bvr1.07.04RTR1:bd10/02/2019:br7.4:efr7.2:svnSCHENKER:pnSCHENKER_SLIM14_SSL14L19:pvrNotApplicable:rvnSCHENKER:rnN141CU:rvrNotApplicable:cvnNotebook:ct10:cvrN/A:skuNotApplicable:
dmi.product.family: Not Applicable
dmi.product.name: SCHENKER_SLIM14_SSL14L19
dmi.product.sku: Not Applicable
dmi.product.version: Not Applicable
dmi.sys.vendor: SCHENKER
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