5096Re: Problems accessing LS outside LAN
- Apr 23, 2006By doing what you suggested, I could open the port and got
"220 FTP Server Ready".
But when I finger the IP address, I get The name of the network and
then ">Finger:Connect::Connection Refused". I'm assuming that's
because I'm trying to finger the IP that I'm already using. And
doesn't necessarily tell me if our ISP is blocking FTP.
I know that it is not that the ISP has a short lease on the IP
address, because it has been the same for about 4 weeks now. And every
time I work on this project I check the WAN IP.
> From windows cmd prompt run telnet
> open 65.a.b.123 21
> This will just try to open port 21. It doesn't know
> about FTP or the protocal or anything so don't let the
> word telnet fool you. Your telnetiing to port 21
> which is an FTP port and not a telnet port. This
> doesn't know about any of the other ports required for
> you might see:
> Trying 65.a.b.123...
> Connected to (somewhere.com).
> Escape character is '^]'.
> 220 Somewhere.com FTP server (Version wu-2.6.2+Sun)
> (I typed a return here)
> 530 Please login with USER and PASS.
> This is an actual response from a Sun unix machine to
> itself. I also tried using windows to the sun and got
> the same result. You won't be able to log on.
> Get simple connectivity, then get the protocol to
> If you suspect FTP is being blocked try a finger
> client and server which uses port 79.
> If you have a Windows PC or whatever and get a finger
> server to work.
> 1) your ISP could be blocking FTP.
> 2) your ISP has a short lease on your IP address.
> --- Jeff <jfish_berean@...> wrote:
> > I still cannot FTP from the Internet from an outside
> > location. When I
> > enter in my username/password combo with the WAN IP
> > that the newtwork
> > with the LinkStation is on (i.e.
> > ftp://username:password@...)
> > it times out every time.
> > I set up my Linkstation to have a static IP address
> > of 192.168.x.y and
> > a Gateway of 192.168.x.1 (which is the same as the
> > IP address of my
> > router). I can access the Linkstation locally
> > either through the
> > Workgroup, as a Network Drive, and by FTP using the
> > local LAN IP
> > 192.168.x.y. I configured my D-Link router to allow
> > ports 20, 21, and
> > 1025-1027 for FTP access and set up the Virtual FTP
> > Server to point to
> > the IP address of my LinkStation 192.168.x.y, but I
> > still can't access
> > it from the internet - using passive or active modes
> > of any FTP
> > program or web browser...
> > Neither Buffalo nor D-Link has been helpful at all.
> > Any other
> > thoughts out there? I'm still tinkering around with
> > it to see if I
> > can discover something I overlooked.
> > --- In LinkStation_General@yahoogroups.com, KeepIt
> > SimpleStupid
> > <keepitsimplestupid@> wrote:
> > >
> > > Opening ports 20-21 is not enough to get FTP to
> > work.
> > > You need to open a few (say 3) higher number
> > ports.
> > > Try opening 1025, 1026 and 1027 as well. I just
> > > looked at what I had forwarded on my router. For
> > more
> > > info look at the RFC for FTP. You also need to
> > use
> > > the right mode of FTP.
> > >
> > > It's also difficult to test since you can't ftp
> > from
> > > inside to your public IP address. I was able to
> > ssh
> > > to a unix host and then ftp back into my LAN from
> > that
> > > host to test.
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