[Bug 2114864] [NEW] proftpd doesn't understand basic commands

[Andrew Benham]

Public bug reported:

Following OS upgrade from 24.10 to 25.04, proftpd doesn't understand
commands like LIST, RETR, and STOR.

After the upgrade, proftpd won't start unless one comments out the
following directives in /etc/proftpd/proftpd.conf:

ShowSymlinks

TimeoutNoTransfer
TimeoutStalled

ListOptions


Having commented these out, proftpd will start but is unusable:

lftp user at localhost:~> dir
ls: Fatal error: 500 LIST not understood
lftp user at localhost:~> get fred
get: fred: Fatal error: 500 RETR not understood
lftp user at localhost:~> put file 
put: file: Fatal error: 500 STOR not understood

ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: proftpd-core 1.3.8.c+dfsg-2
ProcVersionSignature: Ubuntu 6.14.0-15.15-generic 6.14.0
Uname: Linux 6.14.0-15-generic x86_64
ApportVersion: 2.32.0-0ubuntu5.2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: XFCE
Date: Tue Jun 17 22:09:25 2025
InstallationDate: Installed on 2020-09-10 (1741 days ago)
InstallationMedia: Xubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
SourcePackage: proftpd-dfsg
UpgradeStatus: Upgraded to plucky on 2025-05-30 (18 days ago)

** Affects: proftpd-dfsg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug plucky

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https://bugs.launchpad.net/bugs/2114864

Title:
  proftpd doesn't understand basic commands

Status in proftpd-dfsg package in Ubuntu:
  New

Bug description:
  Following OS upgrade from 24.10 to 25.04, proftpd doesn't understand
  commands like LIST, RETR, and STOR.

  After the upgrade, proftpd won't start unless one comments out the
  following directives in /etc/proftpd/proftpd.conf:

  ShowSymlinks

  TimeoutNoTransfer
  TimeoutStalled

  ListOptions

  
  Having commented these out, proftpd will start but is unusable:

  lftp user at localhost:~> dir
  ls: Fatal error: 500 LIST not understood
  lftp user at localhost:~> get fred
  get: fred: Fatal error: 500 RETR not understood
  lftp user at localhost:~> put file 
  put: file: Fatal error: 500 STOR not understood

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: proftpd-core 1.3.8.c+dfsg-2
  ProcVersionSignature: Ubuntu 6.14.0-15.15-generic 6.14.0
  Uname: Linux 6.14.0-15-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5.2
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: XFCE
  Date: Tue Jun 17 22:09:25 2025
  InstallationDate: Installed on 2020-09-10 (1741 days ago)
  InstallationMedia: Xubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  SourcePackage: proftpd-dfsg
  UpgradeStatus: Upgraded to plucky on 2025-05-30 (18 days ago)

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