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List:       ipfilter
Subject:    IPFilter and ftp server and client...
From:       "Cordonnier Christophe" <christophe.cordonnier () steria ! cnes ! fr>
Date:       2005-12-29 17:17:21
Message-ID: 200512291717.jBTHHNB15029 () cnes ! fr
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Merry Christmas

Hello

I use ipfilter, and i have a configuration problem, with proxy port ftp.
I thank's to help me.


I'm explain,



My network is :

Unix_A (192.168.0.10) |-------------| (qfe0) IPF (hme0) |-----------|
(1.2.3.10) Unix_B

I must configure Unix_A and Unix_B in server ftp and client ftp !


1): Unix_A is ftp server and Unix_B is ftp client
With ipnat.conf :
rdr hme0 1.2.3.10/32 port 20 -> 192.168.0.10 port 20 tcp
rdr hme0 1.2.3.10/32 port 21 -> 192.168.0.10 port 21 tcp
map hme0 192.168.0.10/32 -> 1.2.3.10/32 proxy port 21  ftp/tcp
=> result : 
Unix_A in ftp server : OK (cmd+data)
Unix_B in ftp server :NotOK (cmd OK, but no data)

2): Unix_A is ftp client and Unix_B if ftp client
Witch ipnat.conf :
rdr hme0 1.2.3.10/32 port 20 -> 192.168.0.10 port 20 tcp
rdr hme0 1.2.3.10/32 port 21 -> 192.168.0.10 port 21 tcp
map hme0 192.168.0.10/32 -> 1.2.3.10/32
=> result : 
Unix_B in ftp server : OK (cmd + data)
Unix_A in ftp_server : NotOK (cmd Ok, but not data)


3) (Unix A and Unix_B) is (ftp server and ftp client)
With ipnat.conf
????
I tray (rdr + map on hme0) and (rdr + map on qfe0), but this is not OK 


THANKS, Christophe

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