Am 15.04.2016 um 10:16 schrieb Reindl Harald:
Am 14.04.2016 um 23:53 schrieb Marcelo Ricardo Leitner:
>>> Otherwise it won't be able to expect the new connection
>>
>> sounds reasonable, on the other side the client yesterday had troubles
>> to make passive ftp connections with "connection refused" as far as
the
>> admin was able to tell on the phone
>>
> It could be that the drop happened and an auxiliary connection was
> attempted before the retransmission of the 227 reply, so your firewall
> didn't know about it and actively blocked the connection. If it had
> silently dropped the new connection request, the client probably would
> retransmit the SYN after a bit.
>
> Now why the cameras are triggering it, good question
not the cameras - a ordinary client with filezilla, that one with 227 in
his IP address, the cameras blow their images without any problem on the
FTP server
maybe i made it not clear enough:
there is no "my firewall" between that is just iptables directly on the
machine running pure-ftpd and so it's killing outgoing localhost traffic
- that is very weird