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Author Topic: "Server Unavailable" message when attempting to access FTP server.  (Read 13314 times)

sgip2000

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"Server Unavailable" message when attempting to access FTP server.
« on: April 01, 2009, 11:38:17 AM »
I have a DNS-323 behind a DIR-825 router and am having trouble accessing the FTP server.  I can get to the "root" but once I try to access folders a level down, I get an error stating that the server is down and not responding.

I have verified that port 21 is being forwarded to the DNS-323 port 21.  I have also tried with DMZ enabled for the DNS-323.

This is seen with firmware 1.05 and 1.06.  I'm getting this error via the local network and remotely.

Any suggestions?

Thanks.
« Last Edit: April 01, 2009, 11:41:47 AM by sgip2000 »
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ECF

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #1 on: April 01, 2009, 11:53:59 AM »
Are you able to send and receive files from the root without and issue?
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #2 on: April 01, 2009, 12:46:18 PM »
Quote from: ECF on April 01, 2009, 11:53:59 AM
Are you able to send and receive files from the root without and issue?

Update...I am now able to access the FTP server locally; however, it is still unavailable via the internet. 

I have verified that port 21 is NOT blocked by my ISP and I have my router set to forward traffic on port 21 to the DNS-323 on port 21.
« Last Edit: April 01, 2009, 01:16:52 PM by sgip2000 »
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ECF

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #3 on: April 01, 2009, 01:49:38 PM »
Are you now not even able to get to the root? In your previous port you were able to access the root folder.
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #4 on: April 01, 2009, 02:19:15 PM »
Quote from: ECF on April 01, 2009, 01:49:38 PM
Are you now not even able to get to the root? In your previous port you were able to access the root folder.

So, it turns out that it works fine on the local network but when connected remotely the server looses the connection randomly.
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #5 on: April 01, 2009, 03:10:42 PM »
Quote from: ECF on April 01, 2009, 01:49:38 PM
Are you now not even able to get to the root? In your previous port you were able to access the root folder.

I can see the root folder in the web browser but not in windows explorer.  If I click on the root folder in the browser, sometimes I can see files/folders and other times I get the server unavailable message.
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #6 on: April 01, 2009, 06:09:14 PM »
So, I have narrowed the problem down to the DIR-825.  I swapped the DIR-825 with another router and it works.  Now I just need the DIR-825 fixed.
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arod

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #7 on: April 02, 2009, 08:43:40 AM »
Instead of using Port Forwarding.. Disable the rule you created and apply it to Virtual Server and see if that makes a difference.
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #8 on: April 02, 2009, 09:20:22 AM »
Quote from: Ru-Fi-Oh on April 02, 2009, 08:43:40 AM
Instead of using Port Forwarding.. Disable the rule you created and apply it to Virtual Server and see if that makes a difference.

Already tried that.
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ECF

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #9 on: April 02, 2009, 10:31:04 AM »
Did you try an FTP client like Filezilla and see a log at any point? That would help to diagnose the problem also can you telnet the FTP port OK when using the DIR-825? I assume its OK since you can get to the root but its a good idea to verify.
« Last Edit: April 02, 2009, 10:33:59 AM by ECF »
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #10 on: April 02, 2009, 10:47:01 AM »
Quote from: ECF on April 02, 2009, 10:31:04 AM
Did you try an FTP client like Filezilla and see a log at any point? That would help to diagnose the problem also can you telnet the FTP port OK when using the DIR-825? I assume its OK since you can get to the root but its a good idea to verify.

Yes, I have.  I'll look at the logs.

Thanks.
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #11 on: April 03, 2009, 08:47:36 AM »
The FTP client logs says:

[08:44:26] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
[08:44:26] Client closed the connection.
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ECF

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #12 on: April 03, 2009, 09:00:24 AM »
What is the Hardware revision and firmware version of your DIR-825?
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #13 on: April 03, 2009, 09:22:46 AM »
Quote from: ECF on April 03, 2009, 09:00:24 AM
What is the Hardware revision and firmware version of your DIR-825?

Hardware: A1

Firmware: 1.01
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sgip2000

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Re: "Server Unavailable" message when attempting to access FTP server.
« Reply #14 on: April 06, 2009, 10:02:32 AM »
Looks like my problem is similar to this:

http://forums.dlink.com/index.php?topic=3476.0
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