"ewruff" <ewruff.18hc8z@mail.webservertalk.com> wrote in message
news:ewruff.18hc8z@mail.webservertalk.com...
>
> I am running Windows 2003 Advanced Server with all of the current
> updates. My problem is accessing the FTP site from outside of my LAN.
> I am hosting my own WWW site using a free URL from DynDNS.org the
> website's URL is linked to a service that updates my local IP address,
> the site works fine externally. I want to use the same url except ftp
> instead of http as the protocol. I can connect to the FTP site using
> the private ip address from another computer on my LAN, and my router
> firewall is set up correctly to forward ports 20-21 to the private ip
> of the server. I also tryed setting up a new ftp site and forwarding
> to port 2020-2021 to make sure my ISP is not blocking port 20-21. I
> even placed the server ip address in the DMZ to make sure it is not a
> router issue. I have my DNS server pointed to the DNS server for the
> DynDNS.org service as they require. NSLOOKUP resolves both my public
> and private ip address and the URL. Here is the error I get when
> trying to log in.
>
> An error occured opening that folder on the ftp server. make sure you
> have permission to access that folder
> details:
> 200 type set to A
> 500 Invalid PORT command
> 500 'LPRT 6,16,0,0,0,0,0,0,0,0,67,0,0,0,0,0,133,96,2,8,98': command not
> understood
>
>
>
> --
> ewruff
> ------------------------------------------------------------------------
> Posted via http://www.webservertalk.com
> ------------------------------------------------------------------------
> View this thread: http://www.webservertalk.com/message283764.html
>

> From: ewruff <ewruff.18hc8z@mail.webservertalk.com>
> An error occured opening that folder on the ftp server. make sure you
have permission to access that folder
> details:
> 200 type set to A
> 500 Invalid PORT command
> 500 'LPRT 6,16,0,0,0,0,0,0,0,0,67,0,0,0,0,0,133,96,2,8,98': command not

Alun Jones [MSFT] wrote:
> *> From: ewruff <ewruff.18hc8z@mail.webservertalk.com>
> > An error occured opening that folder on the ftp server. make sur
> you
> have permission to access that folder
> > details:
> > 200 type set to A
> > 500 Invalid PORT command
> > 500 'LPRT 6,16,0,0,0,0,0,0,0,0,67,0,0,0,0,0,133,96,2,8,98': comman
> not
> understood
>
> The "LPRT" command is pretty close to bogus and can be ignored.
>
> The "invalid PORT command" indicates that this is not a problem wit
> the
> server, but that the server has detected that your PORT command ask
> it to
> connect to an address that is unacceptable. It would be helpful t
> see
> what PORT command was attempted, but we can make a few guesses. Th
> first
> guess is that the last few parameters of the LPRT command ar
> probably the
> same, or close to the same, as those used for the PORT command. Thi
> rules
> out my first thought, that a NAT was not translating the POR
> command's use
> of an internal IP address. There are a couple of othe
> possibilities:
>
> 1. You've already asked it to connect to that port, and you close
> that
> connection less than four minutes ago. This is somewhat unlikely
> unless
> this is the result of trying to transfer several small files.
> 2. That isn't the same IP address as the incoming control connectio
> came
> in on. I can't quite imagine how you'd manage that, so for th
> moment,
> we'll dismiss that.
> 3. Something else is bound to port 20, preventing the server fro
> binding
> to port 20 (if the server is running on port 21) before connectin
> out.
>
> One thing you can try is to use the command-line ftp client, with th
> debug
> parameter - open a command prompt window, and type "ftp -
> your-ip-here"
> (where "your-ip-here" gets replaced with the IP address of th
> server
> you're connecting to).
>
> Alun.
> ~~~~

> From: ewruff <ewruff.18mw92@mail.webservertalk.com>
>
> Thank-you for you contributions, I will try the debug mode along with