Connecting to NAS via Java and FTP

[ThemePark]

Now that I have successfully been able to connect to my NAS through
FTP, my next step is to connect to it through Java, at first to test
how fast a program can write to it. However, I always keep getting a
ConnectionError everytime I try to get the OutputStream from the
UrlConnection.

So can anyone tell me why this is? I'm sure the solution lies in the
NAS and not Java. Furthermore I have been able to connect to it
through Telnet and FTP, both through CuteFTP and the browser. And
since FTP is enabled, there should be a service listening when I try
to connect to it in Java. I have read that it could be due to a
firewall, so I tried closing the one on my computer to no avail, and
since I can connect to the NAS in other ways, and I'm using port 21 in
Java, I don't expect it to be a problem with the internal firewall.

Any ideas are most welcome.

[Kevin Ricks]

I don't know about the Java but I have trouble with FTP. It connects OK
but the connection drops after a few seconds.
It takes several tries to complete a 100K file. This is accessing from
external internet site. Accessing from my internal network seems to work
OK but have not extensively tested it.

[Ted]

Hi, I suspect that it is ur connection rather than the machine
problem, is ur internet stable? When I try my ftp, the transfer rate
reaches abt 100-300kb/s. You should also try other ways just to make
sure, I suggest you go download the file explorer.cgi file to test
download speed using http.
Good luck
Ted

[Kevin Ricks]

My ISP Clearwire may be the problem.
They block many ports 80, 25 etc. They also throttle applications like
P2P and maybe FTP etc.
I only have 760Kb down and 256Kb up.
I will probably be looking for a new ISP soon when Clearwire (Clear)
goes bankrupt.