[Bug 1975567] Re: Proftpd 1.3.7c not working with openssl 3

[Florian Knauf]

I found that just applying the linked patch to the deb-src package does
not fix the issue. Something else that's relevant must have changed
between the Ubuntu package state and that commit in the proftpd github,
or one of the other Ubuntu patches interferes.

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https://bugs.launchpad.net/bugs/1975567

Title:
  Proftpd 1.3.7c not working with openssl 3

Status in proftpd-dfsg package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  On ubuntu 22.04, the current version of Proftpd 1.3.7c+dfsg-1build1 doesn't work with openssl 3.0.
  The result of this issue is : you can't connect with sftp.

  You can see two issues with the same problem :

  https://github.com/proftpd/proftpd/issues/1448
  https://github.com/proftpd/proftpd/issues/1469

  The problem for sftp module is fixed in 1.3.7e version :
  1.3.7e
  --------------------------------
  - Issue 1448 - Ensure that mod_sftp algorithms work properly with OpenSSL 3.x.

  https://github.com/proftpd/proftpd/blob/1.3.7/NEWS

  This is the commit for the fix :
  https://github.com/proftpd/proftpd/commit/8aa39b27d8fd6ada556b51c4547a504956474078

  Thanks for the help.

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