Thomas P. Warren wrote:
> Hey listers.
>
> I get this when trying to log on to some servers. What gives?
Misconfigured or not configured NATing router/firewall.
The other reply was correct.
> What do I need to disable?
You have one solution: 1) Fix the router
You have one workaround: 2) Use PASV ftp.
> 257 "/" is current directory.
> TYPE A
> 200 Type set to A.
> PORT 192,168,0,2,11,213
> 500 Invalid PORT Command.
>
> The line I want people to check out is the 500 line - Invalid PORT Command.
Check.
> Once the FTP client gets to this point, I don't get anymore info from the
> computer to which I'm trying to connect. Is there anything I can do to fix
> this?
1) To fix a Linux router that's doing NAT for your internal LAN,
all one needs to do is load the kernel module called ip_masq_ftp.o,
using the command 'insmod'. From then on, the router will
intercept the PORT commands and fix them to pass along your
external IP address, rather than the private 192.168.x.y ones.
For a hardware router, like a Linksys or Netgear Cable/DSL
router with builtin firewall or similar, you're on your
own to check your manuals and work the right support channels
from your vendor. Same idea though, you're asking for "how
to enable Active ftp from behind the masq."
2) Or you could try the workaround, instead. That'd be something
easy to try, in case you don't have access to the router.
For this workaround, you configure you ftp program to send
PASV commands not PORT commands by enabling "passive ftp"
somewhere in your ftp program's settings.
> Thanks.
>
> Tom
Good Luck Maj Tom.
Matt
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