[Bug 1898875] Re: Samba cannot register to the domain controller anymore

[hans van Leeuwen]

This is the first time that I report a bug on this portal.
Is this bug picked up by someone?
Or do I have to arrange something for that?

** Changed in: python-urllib3 (Ubuntu)
       Status: New => Invalid

** Converted to question:
   https://answers.launchpad.net/ubuntu/+source/python-urllib3/+question/693442

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https://bugs.launchpad.net/bugs/1898875

Title:
  Samba cannot register to the domain controller anymore

Status in python-urllib3 package in Ubuntu:
  Invalid

Bug description:
  On 6 October2020 on an Ubuntu 16 system with kernel 4.4.0-187-generic,
  by "unattended-updates", python3-urllib3 1.13.1-2ubuntu016.04.3
  is updates to python3-urllib3 1.13.1-2ubuntu016.04.4

  After this update Samba doesn't work any more.
  Registering of the Samba server at the Domain Controller no longer works.

  # net ads join -U admsamba
  Enter admsamba's password:
  Failed to join domain: failed to lookup DC info for domain 'SAMBA-DOMEIN.LOCAL' over rpc: Undetermined error

  From the website below I downloaded the former version python3-urllib3 1.13.1-2ubuntu016.04.3'
  https://Launchpad.net/ubuntu/xenial/...ython3-urllib3

  With dpkg I installed the former/correct version 3 over the new/wrong
  version 4.

  #dpkg -i python3-urllib3_1.13.1-2ubuntu016.04.3_all.deb
  dpkg: warning: downgrading python3-urllib3 from 1.13-1-2ubuntu0.16.04.4 to 1.13.1-2ubuntu016.04.3
  (Reading database ... 168370 files and directories currently installed.)

  The command below shows that the former version 3 is installed and the new version 4
  is available.
  # apt policy python3-urllib3
  python3-urllib3
  Installed: 1.13.1-2ubuntu0.16.04.3
  Candidate: 1.13.1-2ubuntu0.16.04.4

  After the downgrade, it was possible again to register the Samba
  server at the domain controller.

  # net ads join -U admsamba
  Enter admsamba's password:
  Using short domain name -- SAMBA-DOMAIN
  Joined 'system1'to dns domain 'samba-domain.local'

  It seems that python3-urllib3 1.13.1-2ubuntu016.04.4 contains a problem.
  Maybe the security update is to strict.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: python3-urllib3 1.22-1ubuntu0.18.04.2
  ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18
  Uname: Linux 4.15.0-117-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.18
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Oct  7 15:12:10 2020
  InstallationDate: Installed on 2019-08-19 (415 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  PackageArchitecture: all
  SourcePackage: python-urllib3
  UpgradeStatus: No upgrade log present (probably fresh install)

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