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Old 08-29-2004, 06:40 AM   #1
UglyBunz
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Question FlashFXP on XP SP2 - MP3 uploads choke

OS: Windows XP SP2, from streamlined fresh install, no further patches (none available yet), registered
Firewall: Windows XP firewall with FlashFXP set in exceptions
FlashFXP: Version 3, build 1015, registered
Antivirus: AVG Free Edition V6.0.745, database 497
NAT: No, on static registered IP address
Router: Allied Telesyn AT-AR250E configured as router (no NAT, firewall, filters etc.) /29 registered IP pool
LAN: No, router configured for WAN only
Internet feed: 2048/256 ADSL

Note: I have previously used my router/net feed with FlashFXP 2.x with no problems to the remote servers I have since had problems with, so the problem appears to be a FlashFXP 3/XP SP2 interaction. Unfortunately I upgraded to FFXP 3 at the same time that I installed XP SP2!

Symptoms: When uploading MP3 files to different remote FTP servers, FlashFXP upload falls to 0bps on some files and eventually times out. On resume, after the rollback data has been uploaded, the upload chokes in exactly the same position as before. The upload choke ALWAYS occurs on the same files in the same position, regardless of which remote server I am sending to. The remote servers are mainly Serv-U, BSD FTPd, and NCFTPd. This is simple FTP, not FXP. Setting passive or port mode has no effect, nor does setting keep-alives. Disabling my AV software also has no effect. I cannot really disable my firewall, for obvious reasons!

This is completely consistent - it always occurs on the same files in the same places. I have not been able to try a different firewall yet, as my previous firewall (Kerio Personal Firewall) didn't seem to be very happy with SP2 (SSH sessions constantly timed out on me - the Windows firewall was disabled at the time. I have not experienced this SSH problem with the Windows firewall).

I have tried uploading the same MP3 files that I cannot upload with FlashFXP using the Windows command-line FTP in binary mode, and the transfers work successfully. So FTP transfers appear to be possible: the Windows firewall alone is not breaking these.

Workaround: This problem occurs with maybe 1 in 5 MP3 files: there are almost always one or two tracks in my queue that exhibit the problem and mess up the upload. So I have taken to compressing the MP3s into multi-segment RARs (10MB segments) with WinRAR 3. The RAR files seem to upload with no problems. I know there's no benefit to compressing MP3s, but I do it to transform the files, on the assumption that some data sequence within the MP3s (and probably common in MP3 files, judging from my experiences) is causing the transfers to break.

I can supply specimen files that always fail to upload via FlashFXP in my environment if required.

Here is a sample log file with some specific info edited out (the remote server is really Serv-U 4.1 with spoofed info):

WinSock 2.0 -- OpenSSL 0.9.7d 17 Mar 2004
[R] Connecting to x.x.x -> IP=y.y.y.y PORT=21
[R] Connected to x.x.x
[R] 220 BunnySoft FTPd V0.93c - © BunnySoft Inc.
[R] USER w
[R] 331 User name okay, need password.
[R] PASS (hidden)
[R] 230 User logged in, proceed.
[R] SYST
[R] 215 UNIX Type: L8
[R] FEAT
[R] 211-Extension supported
[R] MDTM
[R] MDTM YYYYMMDDHHMMSS[+-TZ] filename
[R] SIZE
[R] SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
[R] REST STREAM
[R] 211 End
[R] PWD
[R] 257 "/d:" is current directory.
[R] TYPE A
[R] 200 Type set to A.
[R] PORT z,z,z,z,7,207
[R] 200 PORT Command successful.
[R] LIST -al
[R] 150 Opening ASCII mode data connection for /bin/ls.
[R] 226 Transfer complete.
[R] List Complete: 1 KB in 0.42 seconds (3.0 KB/s)
[R] CWD upload
[R] 250 Directory changed to /d:/upload
[R] PWD
[R] 257 "/d:/upload" is current directory.
[R] PORT z,z,z,z,7,209
[R] 200 PORT Command successful.
[R] LIST -al
[R] 150 Opening ASCII mode data connection for /bin/ls.
[R] 226 Transfer complete.
[R] List Complete: 906 bytes in 0.44 seconds (2.0 KB/s)
[R] CWD w
[R] 250 Directory changed to /d:/upload/w
[R] PWD
[R] 257 "/d:/upload/w" is current directory.
[R] PORT z,z,z,z,7,211
[R] 200 PORT Command successful.
[R] LIST -al
[R] 150 Opening ASCII mode data connection for /bin/ls.
[R] 226 Transfer complete.
[R] List Complete: 429 bytes in 0.45 seconds (0.9 KB/s)

NOTE NOTE - the next entries are me renaming the same file that I successfully uploaded with Windows FTP (see later log)

[R] RNFR Freeform - 03 - Saigon.mp3
[R] 350 File or directory exists, ready for destination name
[R] RNTO xFreeform - 03 - Saigon.mp3
[R] 250 RNTO command successful.
[R] PORT z,z,z,z,7,213
[R] 200 PORT Command successful.
[R] LIST -al
[R] 150 Opening ASCII mode data connection for /bin/ls.
[R] 226 Transfer complete.
[R] List Complete: 430 bytes in 0.38 seconds (1.1 KB/s)
[R] TYPE I
[R] 200 Type set to I.
[R] PORT z,z,z,z,7,215
[R] 200 PORT Command successful.
[R] STOR Freeform - 03 - Saigon.mp3
[R] 150 Opening BINARY mode data connection for Freeform - 03 - Saigon.mp3.
[R] 426 Data connection closed, receive file Freeform - 03 - Saigon.mp3 aborted.
[R] Transfer Failed!
[R] PORT z,z,z,z,7,217
[R] 200 PORT Command successful.
[R] REST 2228224
[R] 350 Restarting at 2228224. Send STORE or RETRIEVE.
[R] STOR Freeform - 03 - Saigon.mp3
[R] 150 Opening BINARY mode data connection for Freeform - 03 - Saigon.mp3.
[R] Connection lost: x.x.x
[R] Attempting to Reconnect.
[R] Connecting to x.x.x -> IP=y.y.y.y PORT=21 (attempt # 1)
[R] Connected to x.x.x
[R] 220 BunnySoft FTPd V0.93c - © BunnySoft Inc.
[R] USER w
[R] 331 User name okay, need password.
[R] PASS (hidden)
[R] 230 User logged in, proceed.
[R] SYST
[R] 215 UNIX Type: L8
[R] FEAT
[R] 211-Extension supported
[R] MDTM
[R] MDTM YYYYMMDDHHMMSS[+-TZ] filename
[R] SIZE
[R] SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
[R] REST STREAM
[R] 211 End
[R] PWD
[R] 257 "/d:" is current directory.
[R] CWD /d:/upload/w/
[R] 250 Directory changed to /d:/upload/w
[R] PWD
[R] 257 "/d:/upload/w" is current directory.
[R] TYPE A
[R] 200 Type set to A.
[R] PORT z,z,z,z,7,222
[R] 200 PORT Command successful.
[R] LIST -al
[R] 150 Opening ASCII mode data connection for /bin/ls.
[R] 226 Transfer complete.
[R] List Complete: 511 bytes in 0.44 seconds (1.1 KB/s)
[R] TYPE I
[R] 200 Type set to I.
[R] PORT z,z,z,z,7,224
[R] 200 PORT Command successful.
[R] REST 2228224
[R] 350 Restarting at 2228224. Send STORE or RETRIEVE.
[R] STOR Freeform - 03 - Saigon.mp3
[R] 150 Opening BINARY mode data connection for Freeform - 03 - Saigon.mp3.
[R] Connection lost: x.x.x
[R] Attempting to Reconnect.
[R] Connecting to x.x.x -> IP=y.y.y.y PORT=21 (attempt # 1)
[R] Connected to x.x.x
[R] 220 BunnySoft FTPd V0.93c - © BunnySoft Inc.
[R] USER w
[R] 331 User name okay, need password.
[R] PASS (hidden)
[R] 230 User logged in, proceed.
[R] SYST
[R] 215 UNIX Type: L8
[R] FEAT
[R] 211-Extension supported
[R] MDTM
[R] MDTM YYYYMMDDHHMMSS[+-TZ] filename
[R] SIZE
[R] SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
[R] REST STREAM
[R] 211 End
[R] PWD
[R] 257 "/d:" is current directory.
[R] CWD /d:/upload/w/
[R] 250 Directory changed to /d:/upload/w
[R] PWD
[R] 257 "/d:/upload/w" is current directory.
[R] List (cached)
[R] List Complete: 511 bytes in 0.08 seconds (6.4 KB/s)
[R] TYPE I
[R] 200 Type set to I.
[R] PORT z,z,z,z,7,229
[R] 200 PORT Command successful.
[R] REST 2228224
[R] 350 Restarting at 2228224. Send STORE or RETRIEVE.
[R] STOR Freeform - 03 - Saigon.mp3
[R] 150 Opening BINARY mode data connection for Freeform - 03 - Saigon.mp3.
[R] Connection lost: x.x.x
[R] Attempting to Reconnect.
[R] Connecting to x.x.x -> IP=y.y.y.y PORT=21 (attempt # 1)
[R] Connected to x.x.x
[R] 220 BunnySoft FTPd V0.93c - © BunnySoft Inc.
[R] USER w
[R] 331 User name okay, need password.
[R] PASS (hidden)
[R] 230 User logged in, proceed.
[R] SYST
[R] 215 UNIX Type: L8
[R] FEAT
[R] 211-Extension supported
[R] MDTM
[R] MDTM YYYYMMDDHHMMSS[+-TZ] filename
[R] SIZE
[R] SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
[R] REST STREAM
[R] 211 End
[R] PWD
[R] 257 "/d:" is current directory.
[R] CWD /d:/upload/w/
[R] 250 Directory changed to /d:/upload/w
[R] PWD
[R] 257 "/d:/upload/w" is current directory.
[R] List (cached)
[R] List Complete: 511 bytes in 0.08 seconds (6.4 KB/s)
[R] TYPE I
[R] 200 Type set to I.
[R] PORT z,z,z,z,7,234
[R] 200 PORT Command successful.
[R] REST 2228224
[R] 350 Restarting at 2228224. Send STORE or RETRIEVE.
[R] STOR Freeform - 03 - Saigon.mp3
[R] 150 Opening BINARY mode data connection for Freeform - 03 - Saigon.mp3.

Got fed up here! The timeouts means it takes quite some time to generate this amount of logfile.

Here's the same file being uploaded with Windows FTP (command line heaven!). I uploaded this file prior to the FFXP transfer logged above, hence the file rename in the above log:

ftp: 358 bytes received in 0.00Seconds 358000.00Kbytes/sec.
ftp> binary
200 Type set to I.
ftp> put "Freeform - 03 - Saigon.mp3"
200 PORT Command successful.
150 Opening BINARY mode data connection for Freeform - 03 - Saigon.mp3.
226 Transfer complete.
ftp: 10897119 bytes sent in 454.47Seconds 23.98Kbytes/sec.
ftp> quit
221 Goodbye!

Note that I had to add Windows FTP to my Windows firewall exceptions in order to use it.

I intend to experiment with other firewalls shortly, as the Windows one is mainly outwards-looking and really offers next to no tweakability, so I'll follow up here with my experiences - whether things improve or not.

Thanks,
UglyBunz
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Old 08-29-2004, 07:07 AM   #2
blubb-
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Hi,

did you try enabling the 'Send noops during transfer'-option? maybe it helps to keep the connection.

cu
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Old 08-29-2004, 07:22 AM   #3
UglyBunz
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Quote:
Originally posted by blubb-
Hi,

did you try enabling the 'Send noops during transfer'-option? maybe it helps to keep the connection.

cu
Hi,

Yeah, as I said in my post, setting keep-alives (send noops during transfer) makes no difference.

If the problem was due to a simple control channel timeout from the server then surely I would see the same problem with Windows FTP?

Thanks for your input

UglyBunz
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Old 08-29-2004, 07:33 AM   #4
blubb-
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Hi,

sorry, i didn't read that before
Maybe you should try an older version of flashfxp, this bug would have been noticed if it would exist in previous versions of flashfxp.

cu
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Old 08-29-2004, 10:36 AM   #5
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Have you tried uploading to another ftp servers?

I've never heard of "BunnySoft FTPd V0.93c - © BunnySoft Inc." do you know where one could download this ftp server? I'd be interested in installing it to see if I could reproduce the problem.

FlashFXP does not do anything with the file data prior to uploading, the file data is sent directly to the socket. If there is a problem sending files that contain certain data then this issue is outside the scope of FlashFXP.
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Old 08-29-2004, 10:41 AM   #6
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Default Re: FlashFXP on XP SP2 - MP3 uploads choke

Bigstar:

Quote:
Originally posted by UglyBunz
... (the remote server is really Serv-U 4.1 with spoofed info) ...
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Sapere Aude
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Old 08-29-2004, 11:39 AM   #7
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Ahhh, Thanks for the info.. Perhaps the ftp server should be upgraded to the latest v5.1..
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Old 08-29-2004, 01:18 PM   #8
UglyBunz
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Quote:
Originally posted by bigstar
Ahhh, Thanks for the info.. Perhaps the ftp server should be upgraded to the latest v5.1..
Hi,

I have verified that the problem exists sending files to ftpds on 3 different platforms (Windows, FreeBSD & SuSE Linux) and 4 ftpds (serv-u, bsd ftpd, ncftpd and pureftpd). I just happened to pick the serv-u log as the example, but logs to other ftpds are the same, so I don't think upgrading serv-u will make the problem go away!

Thanks,

UglyBunz
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Old 08-30-2004, 03:52 PM   #9
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Well, I managed to transfer one of the problem files to an ftpd on a non-standard port number, but not so far to any server on port 21.

I tried a load of different ftp clients also (there's some scary stuff lurking on some "free" or "shareware" sites!), and they all worked fine. I uninstalled FlashFXP 3 1015 (also removed all of its ancillary files) and installed it again, fresh install, and the problem persisted

So now I've reverted to 2.1, build 924, which I suspect is a very old build. It's running in shareware mode at the moment and works perfectly. It would be nice if it was possible to download the most recent 2.1 build from somewhere, as I don't know what the auto-upgrade in 2.1 did with all the installers it downloaded!

I think I'll hold off on 3 until these more obscure issues have been resolved on XP SP2 systems!

Thanks to all who followed up!

UglyBunz
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Old 08-30-2004, 04:10 PM   #10
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FlashFXP v2.1 build 924 was the last release build of v2.1.

Can you please post the ftp status log from FlashFXP v2.1
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Old 08-30-2004, 04:50 PM   #11
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Quote:
Originally posted by bigstar
FlashFXP v2.1 build 924 was the last release build of v2.1.
So that explains it... it's smarter than I thought

Quote:
Can you please post the ftp status log from FlashFXP v2.1
Sure, same ftpd as before (really serv-u 4.1), same MP3 file. I have other files that similarily failed to transfer with 3 that I can now transfer with 2.1. The log has had identifying info replaced.

WinSock 2.0
Connecting to x.x.x
Connected to x.x.x -> IP=y.y.y.y PORT=21
220 BunnySoft FTPd V0.93c - © BunnySoft Inc.
USER w
331 User name okay, need password.
PASS (hidden)
230 User logged in, proceed.
SYST
215 UNIX Type: L8
REST 100
350 Restarting at 100. Send STORE or RETRIEVE.
REST 0
350 Restarting at 0. Send STORE or RETRIEVE.
PWD
257 "/d:" is current directory.
TYPE A
200 Type set to A.
PORT z,z,z,z,4,60
200 PORT Command successful.
LIST
150 Opening ASCII mode data connection for /bin/ls.
226 Transfer complete.
List Complete: 1 KB in 1.34 (0.96 KBps)
CWD upload
250 Directory changed to /d:/upload
PWD
257 "/d:/upload" is current directory.
PORT z,z,z,z,4,62
200 PORT Command successful.
LIST
150 Opening ASCII mode data connection for /bin/ls.
226 Transfer complete.
List Complete: 930 bytes in 0.48 (0.91 KBps)
CWD w
250 Directory changed to /d:/upload/w
PWD
257 "/d:/upload/w" is current directory.
PORT z,z,z,z,4,64
200 PORT Command successful.
LIST
150 Opening ASCII mode data connection for /bin/ls.
226 Transfer complete.
List Complete: 254 bytes in 0.45 (0.25 KBps)
TYPE I
200 Type set to I.
PORT z,z,z,z,4,66
200 PORT Command successful.
STOR Freeform - 03 - Saigon.mp3
150 Opening BINARY mode data connection for Freeform - 03 - Saigon.mp3.
226 Transfer complete.
Transferred: Freeform - 03 - Saigon.mp3 10.39 MB in 08:52 (19.99 KBps)
TYPE A
200 Type set to A.
PORT z,z,z,z,4,68
200 PORT Command successful.
LIST
150 Opening ASCII mode data connection for /bin/ls.
226 Transfer complete.
List Complete: 337 bytes in 0.47 (0.33 KBps)
Transfer queue completed
Transferred 1 file totaling 10.39 MB in 08:53 (19.99 KBps)
QUIT
221 Goodbye!
Logged off: x.x.x

Thanks,

UglyBunz
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Old 08-30-2004, 07:00 PM   #12
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Bigstar,

After upgrading to XP SP2 (official), I had problem too downloading with proxies i.e. disconnected even I enabled both noops in control channel and during transfer.

It didn't happen before upgrade to SP2. Every 3 minutes reconnections.


Compatibility issue?
[08:04:00] [R] Opening data connection via Proxy
[08:04:00] [R] REST 38619326
[08:04:00] [R] SOCKS: Connecting to x.x.x.1x:1112
[08:04:01] [R] SOCKS: Connected to x.x.x.1x:1112
[08:04:01] [R] 350 Restarting at 38619326. Send STORE or RETRIEVE.
[08:04:02] [R] RETR sosset04.r53
[08:04:02] [R] 150 Opening BINARY mode data connection for sosset04.r53 (50000000 Bytes).
[08:04:24] [R] 200 Command okay.
[08:05:25] [R] Connection lost: Server x
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Old 08-30-2004, 10:55 PM   #13
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UglyBunz: I was hoping there might be something slightly different but it looks exactly the same :/

OngL: I don't see how it could be WinXP SP2 but I suppose anything is possible. However I'm not having any problems with WinXP SP2 on either of my two machines. I even tested HTTP and SOCKS5 proxies.
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Old 08-31-2004, 07:27 AM   #14
UglyBunz
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Quote:
Originally posted by bigstar
[B]UglyBunz: I was hoping there might be something slightly different but it looks exactly the same :/
I was careful to do things in exactly the same way, so that the only variable was the ftp client. Have you tried sending that file I sent you when testing to an ftpd on port 21, from an XP SP2 system with the Windows firewall enabled? If you see the same problem as me it will choke at about 2.15MB.

Unlike OngL, my problem does not seem to be time-related.

UglyBunz
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Old 08-31-2004, 07:37 AM   #15
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No actually I did not try to upload the file. Unfortunately I didn't keep it either. Could you please upload the file to me again and I will try that.

Thank you
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