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Old 06-23-2012, 05:34 PM   #1
r3dDaWn
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Question Connection drops at the same time

* FlashFXP v[4 ].[2 ], build [1785 ], [ ]registered, [x ]unregistered, [ ]pirated
* OS [x ] Windows 7, [ ] Vista, [ ] WinXP, [ ] Other (specify)
* Running behind hardware router/firewall [ ] Yes & Model [ ], [ ] No, [ ] Not sure
* Running software firewall [ ] Yes, Name [ ], Ver. [ ], or [ ] No
* Running Antivirus [ ] Yes, Name [ ] or [ ] No
* Internet Connection [ ] DSL, [x ] CABLE, [ ] Other(specify)

I downloaded the latest free version of Flashfxp from softpedia.com to test out. I setup my client to connect to my friend's work server, but have found constant disconnects, all happening at 2:10 of the connection (idle). I downloaded Filezilla, setup, connected, and can transfer with no issues, so I'm not sure if I've not got a setting right or something on Flashfxp. I was hoping someone could help me figure this out. I've taken out ip info for security... It always drops the connection on transfer at 2 min 10 sec of "idle" time.. Duration time can be different, but I notice the connection lost time of 2:10 always the same...

[R] Connecting to Server -> IP=xxx.XXX.XXX.102 PORT=21
[R] Connected to Server
[R] 220 (vsFTPd 2.3.5)
[R] AUTH TLS
[R] 234 Proceed with negotiation.
[R] Connected. Negotiating SSL/TLS session
[R] TLSv1 negotiation successful...
[R] TLSv1 encrypted session using cipher AES256-SHA (256 bits)
[R] PBSZ 0
[R] 200 PBSZ set to 0.
[R] USER tes1xxxe
[R] 331 Please specify the password.
[R] PASS (hidden)
[R] 230 Login successful.
[R] SYST
[R] 215 UNIX Type: L8
[R] FEAT
[R] 211-Features:
[R] AUTH SSL
[R] AUTH TLS
[R] EPRT
[R] EPSV
[R] MDTM
[R] PASV
[R] PBSZ
[R] PROT
[R] REST STREAM
[R] SIZE
[R] TVFS
[R] UTF8
[R] 211 End
[R] PWD
[R] 257 "/home/jone"
[R] CWD /home/jone
[R] 250 Directory successfully changed.
[R] PWD
[R] 257 "/home/jone"
[R] TYPE A
[R] 200 Switching to ASCII mode.
[R] PROT P
[R] 200 PROT now Private.
[R] PASV
[R] 227 Entering Passive Mode (XXX,XXX,XXX,102,175,194).
[R] Opening data connection IP: XXX.XXX.XXX.102 PORT: 44994
[R] LIST -al
[R] Connected. Negotiating SSL/TLS session
[R] TLSv1 negotiation successful...
[R] TLSv1 encrypted session using cipher AES256-SHA (256 bits)
[R] 150 Here comes the directory listing.
[R] 226 Directory send OK.
[R] List Complete: 1 KB in 1 second (1.4 KB/s)
[R] CWD /home/jone/completed
[R] 250 Directory successfully changed.
[R] PWD
[R] 257 "/home/jone/completed"
[R] TYPE I
[R] 200 Switching to Binary mode.
[R] SIZE cartest.AVI
[R] 213 1120470054
[R] MDTM cartest.AVI
[R] 213 20120623053130
[R] PASV
[R] 227 Entering Passive Mode (xx,xx,xx,102,38,143).
[R] Opening data connection IP: xx.xx.xx.102 PORT: 9871
[R] RETR cartest.AVI
[R] Connected. Negotiating SSL/TLS session
[R] TLSv1 negotiation successful...
[R] TLSv1 encrypted session using cipher AES256-SHA (256 bits)
[R] 150 Opening BINARY mode data connection for cartest.AVI (1120470054 bytes).
[R] Transfer Failed!
[R] Connection lost: Server (Duration: 2 minutes 28 seconds / Idle: 2 minutes 10 seconds)
[R] Attempting to Reconnect.
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Old 06-24-2012, 12:07 AM   #2
MxxCon
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try to enable 'send noop during transfer' option.
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Old 06-24-2012, 09:24 AM   #3
bigstar
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I sent you a private message with modified build of FlashFXP that uses a lower internal tcp/ip keep alive interval, this should resolve the problem, please let me know.
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Old 06-24-2012, 03:27 PM   #4
r3dDaWn
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Hi, thank you for the replies. The send NOOP does nothing, still drops at 2:10 idle time during transfer. I got the PM, and will install the file, and test tonight, thank you! I'll post my results!
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Old 06-24-2012, 05:01 PM   #5
r3dDaWn
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So I setup the exe in the same folder overwriting the flashfxp.exe file. I went into Site Manager and verified NOOPS was not checked, and logged in. Tried to transfer a 1GB file. It went past the 2:10 mark that I was having issues with, BUT, disconnected at 3:11

[R] Transfer Failed!
[R] Connection lost: Server (Duration: 4 minutes 24 seconds / Idle: 3 minutes 11 seconds)

Deleted the transfer, and tried again, and it fails at the same time, 3:11
Went into Site Manger, checked send NOOP during transfer, connected, tried again. I may be wrong, but shouldn't I see NOOP in the log as the transfer goes, cause I didn't, and it disconnected again at 3:11

So closed it all out, opened up FileZilla, ALL DEFAULT options on the program, I changed nothing on install other then input of server info. Connected, tried the same 1GB file, downloads, no disconnects.

Since the server is running vsftpd, I thought maybe it was the server software, so I asked a few people that I work with to test with Flashfxp, and they too got the same problem. So does this mean Flashfxp is not compatible with vsftpd? the change made to the tcp/ip keep alive interval did push it beyond the mark of 2:10 I was having at first, but as noted, only by a minute. So what is different from Filezilla and it's setup, that won't drop the connection on transfer, to Flashfxp's? Thanks again for the help!!
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