[Bug 2097799] [NEW] netplan doesn't support nameservers with ports

[Hadmut Danisch]

Public bug reported:

I am currently trying to debug why I can use a nameserver with a
nondefault (i.e. != 53) port for wireguard connections with wg-quick and
systemd.netdev, but not with Network-Manager and the nm applet with
Lubuntu and Xubuntu. The editor does not accept the syntax.


But: 

base on the manpage of netplan (see "nameservers"), it does not accept a
port number, just an ipv4 or ipv6 address.

So not all network configurations can be used with netplan / nm-applet.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: netplan.io 1.1.1-1~ubuntu24.04.1
ProcVersionSignature: Ubuntu 6.8.0-51.52-generic 6.8.12
Uname: Linux 6.8.0-51-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.28.1-0ubuntu3.3
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: LXQt
Date: Mon Feb 10 23:54:52 2025
InstallationDate: Installed on 2024-01-03 (405 days ago)
InstallationMedia: Lubuntu 23.10 "Mantic Minotaur" - Release amd64 (20231010)
SourcePackage: netplan.io
UpgradeStatus: Upgraded to noble on 2024-06-25 (230 days ago)

** Affects: netplan.io (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug noble

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https://bugs.launchpad.net/bugs/2097799

Title:
  netplan doesn't support nameservers with ports

Status in netplan.io package in Ubuntu:
  New

Bug description:
  I am currently trying to debug why I can use a nameserver with a
  nondefault (i.e. != 53) port for wireguard connections with wg-quick
  and systemd.netdev, but not with Network-Manager and the nm applet
  with Lubuntu and Xubuntu. The editor does not accept the syntax.

  
  But: 

  base on the manpage of netplan (see "nameservers"), it does not accept
  a port number, just an ipv4 or ipv6 address.

  So not all network configurations can be used with netplan / nm-
  applet.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: netplan.io 1.1.1-1~ubuntu24.04.1
  ProcVersionSignature: Ubuntu 6.8.0-51.52-generic 6.8.12
  Uname: Linux 6.8.0-51-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.28.1-0ubuntu3.3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: LXQt
  Date: Mon Feb 10 23:54:52 2025
  InstallationDate: Installed on 2024-01-03 (405 days ago)
  InstallationMedia: Lubuntu 23.10 "Mantic Minotaur" - Release amd64 (20231010)
  SourcePackage: netplan.io
  UpgradeStatus: Upgraded to noble on 2024-06-25 (230 days ago)

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