[oclug] WU-FTP and Passive Mode

[Paul Godin]

On Wed, 07 Feb 2001, you wrote:

I had a similar problem when in setting up my ipchains I denied access to my
Passive mode FTP with the following syntax. 

ipchains -A input  -i $EXTERNAL_INTERFACE -p tcp -s $ANYWHERE $UNPRIVPORTS -d
$IPADDR $UNPRIVPORTS -j DENY
 ipchains -A output -i $EXTERNAL_INTERFACE -p tcp ! -y -s $IPADDR $UNPRIVPORTS
-d $ANYWHERE $UNPRIVPORTS -j DENY

This also denied my navigator to download ftp data of course. 

Paul Godin

 > Hello,
> 
> My ftp server suddenly stopped allowing passive transfers.  I didn't do
> anything to the configuration files and my box is firewalled and I don't
> allow anonymous access.  I am running  wu-ftpd-2.6.0-14.6x
> 
> Collin
> 
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