Re: Passive FTP not working with iptables

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Am 08.01.19 um 23:41 schrieb Florian Westphal:
Stefanie Leisestreichler <stefanie.leisestreichler@xxxxxxxxxxxxxx> wrote:
Thanks for your hint, Adel.
Enabling the helper modules with echo 1 >
/proc/sys/net/netfilter/nf_conntrack_helper did the trick, thank you very
much.

I am not quite sure if this is just enabling the helpers and loose will be

It enables auto-assignments of the helpers based on hard-coded numbers
(e.g. tcp 21 in case of ftp).

There are no other side effects.

at its default == 0 or if this is setting loose=1 implicit?

No, tcp_loose is about mid-stream pickup (treating a connection as
ESTABLISHED even if we did not see initial syn packet).


I got it. Thank you so much for your help to all of you!
Stefanie



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