Re: FTP connection tracking doesn't work with nftables

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Tomek L a écrit :
> I agree on source port issue, but I don't think that in case of TLS
> there is nothing that can be done with FTP helper. Still we can assume
> that just after TLS AUTH negotiation, client will connect on high port
> with new connection to server. Now we are in situation, where if TLS
> is used, high ports on server side must be open all the time.

IMO, it is not much better to open all passive ports to any host which
has established a connection to port 21 regardless of whether a
PASV/EPSV command was acknowledged by the server.
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