Bug#980119: libgnutls30: "An unexpected TLS packet was received" when connecting to FTPS (FTP/TLS) servers

[Andreas Metzler]

On 2021-01-15 Andreas Metzler <ametzler at bebt.de> wrote:
> On 2021-01-14 "Boyd Stephen Smith Jr." <bss at IguanaSuicide.net> wrote:
[...]
> > Dear Maintainer,

>> Trying to upload some files to a game hosting provider that only
>> allows FTPS (not SFTP) access.  Provider is akliz.net.

>> Each customer gets a private virtual (vsftp?) instance.  I'm connecting to
>> bos-sr-2-36.akliz.net

>> In both FileZilla 3.51.0-1 and lftp 4.8.4-2+b1 I get an error _after_ a
>> successful login when trying to list the contents of the current directory.
> [...]

> Is this reproducible with gnutls-cli?

Does 
env GNUTLS_DEBUG_LEVEL=4711 lftp ....
produce more verbose output?

cu Andreas