TCLUG Archive
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Re: [TCLUG:21748] FTP (ipchains?) problem
On Wed, Sep 27, 2000 at 09:48:26PM -0500, Yaron wrote:
> Hi,
>
> Ok, this happens once every now-and-again...
>
> I've got an IPCHAINS nat/firewall with a couple of boxes behind it. Now
> for some reason, when I try to ftp from one of the workstations, I
> occasionally get this:
>
> 230 Guest login ok, access restrictions apply.
> Remote system type is UNIX.
> Using binary mode to transfer files.
> ftp> ls
> 500 Illegal PORT Command
> ftp: bind: Address already in use
>
>
> This happens on every FTP site I connect to. Passive mode seems to work
> fine, but I wanna get to the bottom of this. The firewall is allowing both
> ports 20 and 21, and allowing source to return. Furthermore, it logs all
> denals and is logging nothing when this happens.
Use ncftp. Enable the option "passive". Insmod "ip_masq_ftp.o". Download
files.
--
Chad "^chewie, gunnarr" Walstrom <chewie@wookimus.net>
http://wookimus.net/chewie