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ferrosti is offline     weird connection problem with IIS6  
ferrosti


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03-31-04 11:24 AM

Hi folks,

I have already taken a look at all those connection threads and googled arou
nd. Somehow I cannot fix this specific problem.

I have a Linux Server which is running some PERL programs to send log files 
to the IIS6 ftp server. The programs use the libnet net::ftp module for the 
ftp transfer. I did not find any issues with that, either.
We have isolated the specific program parts and made a standalone of it. All
 that it does is sending a file and then getting it for checking md5 sums.

The same program works fine for 70 per cent of the time, but in the rest we 
encounter a "connection closed" error. I donßt know where this comes from. I
 have set the timeout to 600 secs, but no chance. I should also mention, tha
t the files are only a few megabytes.
For a stress test I tried the same with a 500 MB file. It is all the same. T
he load is handled through a GBit direct link with a private IP address.

Included is an excerpt of the IIS6 logfile. I have deleted critical informat
ion.

2004-03-31 09:27:52 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++ 192.1
68.20.20 21 [74]USER +++++++ - 331 0 0 0 0 FTP - - - -
2004-03-31 09:27:52 192.168.50.20 ++++++++ MSFTPSVC606538788 ++++++++++ 192.
168.20.20 21 [74]PASS - - 230 0 0 0 0 FTP - - - -
2004-03-31 09:27:52 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++ 192.1
68.20.20 21 [74]CWD /ftp_backup - 250 0 0 0 0 FTP - - - -
2004-03-31 09:27:54 192.168.50.20 +++++++ MSFTPSVC606538788 +++++++ 192.168.
20.20 21 [74]created /ftp_backup/documents.backup.20040330_backup_document_q
ueue.tgz - 226 0 0 18308805 844 FTP - - - -
2004-03-31 09:27:54 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++ 192.1
68.20.20 21 [74]sent /ftp_backup/documents.backup.20040330_backup_document_q
ueue.tgz - 226 0 0 0 844 FTP - - - -
2004-03-31 09:27:54 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++ 192.1
68.20.20 21 [74]sent /ftp_backup/documents.backup.20040330_backup_document_q
ueue.tgz - 550 2 0 0 844 FTP - - - -
2004-03-31 09:27:55 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++ 192.1
68.20.20 21 [74]created documents.backup.20040330_backup_document_queue.tgz 
- 425 10061 0 0 968 FTP - - - -
2004-03-31 09:27:55 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++ 192.1
68.20.20 21 [74]QUIT - - 200 0 0 0 0 FTP - - - -

Maybe someone already sees the problem...
Well, I donīt know.

Regards, Chris




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    Re: weird connection problem with IIS6  
Bernard


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04-01-04 08:38 AM

425 - Connection Closed
10061 - Winstatus error 'no connection could be made because the target
machine actively refused it'

No clues 

A bit weird. if you look at the log, first ([created, sent])
> documents.backup.20040330_backup_document_queue.tgz 226
was sent succesfully - status 226
but then your program send again ([sent],[sent],[created])
> documents.backup.20040330_backup_document_queue.tgz - 550 2
so you got 550 error, with winstatus 2 'the system cannot find the file
specified'
this '2' error could related to err file locking or etc. (Not sure)
and finally you get 425 response.

if you manually put the file, any error, how many entry of created and sent
?

--
Regards,
Bernard Cheah
http://support.microsoft.com/
http://www.msmvps.com/bernard/


"ferrosti" <ferrosti.13zfxm@mail.webservertalk.com> wrote in message
news:ferrosti.13zfxm@mail.webservertalk.com...
>
> Hi folks,
>
> I have already taken a look at all those connection threads and googled
> around. Somehow I cannot fix this specific problem.
>
> I have a Linux Server which is running some PERL programs to send log
> files to the IIS6 ftp server. The programs use the libnet net::ftp
> module for the ftp transfer. I did not find any issues with that,
> either.
> We have isolated the specific program parts and made a standalone of
> it. All that it does is sending a file and then getting it for checking
> md5 sums.
>
> The same program works fine for 70 per cent of the time, but in the
> rest we encounter a "connection closed" error. I don? know where this
> comes from. I have set the timeout to 600 secs, but no chance. I should
> also mention, that the files are only a few megabytes.
> For a stress test I tried the same with a 500 MB file. It is all the
> same. The load is handled through a GBit direct link with a private IP
> address.
>
> Included is an excerpt of the IIS6 logfile. I have deleted critical
> information.
>
> 2004-03-31 09:27:52 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++
> 192.168.20.20 21 [74]USER +++++++ - 331 0 0 0 0 FTP - - - -
> 2004-03-31 09:27:52 192.168.50.20 ++++++++ MSFTPSVC606538788 ++++++++++
> 192.168.20.20 21 [74]PASS - - 230 0 0 0 0 FTP - - - -
> 2004-03-31 09:27:52 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++
> 192.168.20.20 21 [74]CWD /ftp_backup - 250 0 0 0 0 FTP - - - -
> 2004-03-31 09:27:54 192.168.50.20 +++++++ MSFTPSVC606538788 +++++++
> 192.168.20.20 21 [74]created
> /ftp_backup/documents.backup.20040330_backup_document_queue.tgz - 226 0
> 0 18308805 844 FTP - - - -
> 2004-03-31 09:27:54 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++
> 192.168.20.20 21 [74]sent
> /ftp_backup/documents.backup.20040330_backup_document_queue.tgz - 226 0
> 0 0 844 FTP - - - -
> 2004-03-31 09:27:54 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++
> 192.168.20.20 21 [74]sent
> /ftp_backup/documents.backup.20040330_backup_document_queue.tgz - 550 2
> 0 0 844 FTP - - - -
> 2004-03-31 09:27:55 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++
> 192.168.20.20 21 [74]created
> documents.backup.20040330_backup_document_queue.tgz - 425 10061 0 0 968
> FTP - - - -
> 2004-03-31 09:27:55 192.168.50.20 +++++++ MSFTPSVC606538788 ++++++++++
> 192.168.20.20 21 [74]QUIT - - 200 0 0 0 0 FTP - - - -
>
> Maybe someone already sees the problem...
> Well, I don? know.
>
> Regards, Chris
>
>
>
> --
> ferrosti
> ------------------------------------------------------------------------
> Posted via http://www.webservertalk.com
> ------------------------------------------------------------------------
> View this thread: http://www.webservertalk.com/message167811.html
>







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