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Too many connections...

 
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J.K.
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PostPosted: Sat May 14, 2005 9:07 pm    Post subject: Too many connections... Reply with quote

FTP Wanderer seems really great. It's small, fast, easy to use... Congrats!!

So far, I only found one problem. I'm not sure but I think FTP Wanderer does not properly close the transfert connection when a download is completed. After some downloads, the server refuses any new connections, every connections seem alive but idle. Hope you can fix that.

Thanx.
J.K.
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admin
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Joined: 13 Apr 2005
Posts: 1472

PostPosted: Sat May 14, 2005 9:47 pm    Post subject: Reply with quote

I'm 99.9% sure FTP Wanderer closes the transfer connections.
You can verify this by running the command:
netstat -a
on the Windows commandline, this will show you all opened connections.
A possible cause of your 'hanging' connections could be a buggy firewall or a corrupted Winsock LSP chain. You can try a utility like LSPFix to correct this problem.

Pablo
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J.K.
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PostPosted: Sun May 15, 2005 2:47 am    Post subject: Reply with quote

Thank you for your time Pablo!

I think everything is OK on the client side but not on the server side. I ran BabyFTP on my other machine (running Win98) and I saw many opened ports even after closing FTP Wanderer (running on WinXP). These connections disappear after some time.

I used netstat and I see these pending connections (approx. one connection for each downloaded files):
Code:
TCP   xxxxxx:1085   yyyyyyy:5001    TIME_WAIT
TCP   xxxxxx:1086   yyyyyyy:5002    TIME_WAIT
TCP   xxxxxx:1087   yyyyyyy:5003    TIME_WAIT


Do you know where they come from?
Again, thank you for your help. It's really appreciated. Smile

J.K.

P.S. Sorry for my english, I'm french... Embarassed
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J.K.
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PostPosted: Sun May 15, 2005 3:14 am    Post subject: Reply with quote

Forget my last post. These entries are normal.

Here is what I found. I did some tests using WarFTP Daemon 1.67 as server and connections made from FTP Wanderer stay there for a while... even after closing the client. I see one connection by downloaded files.

Everything seems OK if I use Microsoft FTP client from the command prompt.

J.K.
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J.K.
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PostPosted: Thu Jun 02, 2005 3:32 am    Post subject: Reply with quote

Hi Pablo.

Sorry to bother you again... do you have any idea why I have those pending connections? Where should I look?

Thank you a lot.
J.K.
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admin
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Joined: 13 Apr 2005
Posts: 1472

PostPosted: Thu Jun 02, 2005 7:59 am    Post subject: Reply with quote

Hi J.K.

I'm sorry but I have no idea why these connections stay pended.
FTP Wanderer uses WININET (a standard Windows API also used by Internet Explorer) to make conections, so if something is wrong with you Windows configuration you should have the same behaviour using IE.

Is there a difference if you use PASV mode of instead PORT mode?

Pablo
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