christian mercier wrote:
hello,

I am getting a TLS issue when there is a firewall between my ftp client
(filezilla) and the ftp apache server.
without the firewall I am prompted if I want to accept or not the
certificate provided by default in the distribution.
with the firewall in the middle I get a "500 AUTH not understood" response
when command "AUTH TLS" is issued.

do I need to open a special port for the TLS negotiation?
thank you.

No, TLS is done on the same port. Besides, as far as I understand we never return that error message. Could it be that the firewall works as a FTP proxy? What's the firewall your using?

/niklas


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