See $URL. Probably fixed in upcoming v1.3.7 release.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=47f2f61b980efab9ea9412db2aa484e51f0c5b2e commit 47f2f61b980efab9ea9412db2aa484e51f0c5b2e Author: Sergei Trofimovich <slyfox@gentoo.org> AuthorDate: 2020-03-05 23:39:19 +0000 Commit: Sergei Trofimovich <slyfox@gentoo.org> CommitDate: 2020-03-05 23:39:19 +0000 net-ftp/proftpd: bump up to proftpd-1.3.7rc3 Pull in release candidate to better handle tlc-1.3. Closes: https://bugs.gentoo.org/690526 Package-Manager: Portage-2.3.92, Repoman-2.3.20 Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> net-ftp/proftpd/Manifest | 1 + net-ftp/proftpd/proftpd-1.3.7_rc3.ebuild | 274 +++++++++++++++++++++++++++++++ 2 files changed, 275 insertions(+)