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-   -   FlashFXP behind a firewall doesn't work (https://oss.azurewebsites.net/forum/flashfxp/release-archive/flashfxp-v2-1-a/general/2834-flashfxp-behind-firewall-doesnt-work.html)

vr500003 07-08-2003 10:38 AM
FlashFXP behind a firewall doesn't work
 
Hi all,

* FlashFXP v[2 ].[1 ], build [924 ], [ ]registered, [ x]unregistered, [ ]pirated
* OS [ ] WinXP, [ x] Win2K, [ ] Win98, [ ] WinME, [ ] Other
* Running behind NAT/router [x ] Yes & Model [ ], [ ] No, [ ] Not sure
* Running firewall [x ] Yes, Name [ ], Ver. [ ], or [ ] No
* Running Antivirus [ McAffee 4.5.1 SP1] Yes, Name [ ] or [ ] No
* Network [ ] xDSL, [ ] CABLE, [ ] Dail-Up, [ LAN ] Other

additional info if related
* FTP server(s) name [ unknown ], version [ ]

I try to connect to ftp://oth:oth@goldmine.myftp.org:39675 using a http proxy, but it doesn't work.
The proxy is: 203.121.0.12:80

I have to use a proxy because the firewall at work blocks all FTP ports but 21.
My employer is a big company with about 30000 employees worldwide, so I
guess that my client is behind a router and I am sure it is behind a firewall, but
don't ask me models/types of hardware...

I can connect through this proxy to any FTP server that uses port 21 (not blocked by firewall), like vr500003.onlinehome.de (see log).

But when trying to connect to FTP servers that use other ports, it doesn't work (see log).

I selected HTTP proxy in the preferences and entered address and port for the proxy.
Am I missing something else??
Can you help me please?

P.S.: The log doesn't tell that FlashFXP is using port 39675 when connecting to goldmine.myftp.org...
Is it assuming port 21 maybe...?


LOG CONTENT:

*** Log Opened: 08.07.2003 17:20:06
[17:20:06] WinSock 2.0
[17:20:15] Connecting to vr500003.onlinehome.de via Proxy (203.121.0.12:80)
[17:20:15] Connection failed (Address already in use)
[17:20:15] Delaying for 120 seconds before reconnect attempt #1
[17:20:21] Retry attempt Aborted
[17:20:33] Connecting to vr500003.onlinehome.de via Proxy (203.121.0.12:80)
[17:20:33] <HTML><HEAD><META HTTP-EQUIV="REFRESH" CONTENT="0" URL="https://vr500003.onlinehome.de:21/"></HEAD><BODY>
[17:20:33] </BODY></HTML>
[17:20:33] Connection failed (Connection lost)
[17:20:33] Delaying for 120 seconds before reconnect attempt #1
[17:20:35] Retry attempt Aborted


Connecting to vr500003.onlinehome.de works here!!


[17:20:36] Connecting to vr500003.onlinehome.de via Proxy (203.121.0.12:80)
[17:20:37] 220 FTP Server ready.
[17:20:37] 331 Password required for ka1020-455.
[17:20:37] PASS (hidden)
[17:20:37] 230 User ka1020-455 logged in.
[17:20:37] SYST
[17:20:37] 215 UNIX Type: L8
[17:20:37] REST 100
[17:20:38] 350 Restarting at 100. Send STORE or RETRIEVE to initiate transfer
[17:20:38] REST 0
[17:20:38] 350 Restarting at 0. Send STORE or RETRIEVE to initiate transfer
[17:20:38] PWD
[17:20:38] 257 "/" is current directory.
[17:20:38] TYPE A
[17:20:38] 200 Type set to A
[17:20:38] PASV
[17:20:38] 227 Entering Passive Mode (212,227,119,78,200,41).
[17:20:38] LIST
[17:20:38] 150 Opening ASCII mode data connection for file list
[17:20:39] 226 Transfer complete.
[17:20:39] List Complete: 1 KB in 0,92 (1,99 KBps)
[17:20:42] QUIT
[17:20:42] 221 Goodbye.
[17:20:42] Logged off: vr500003.onlinehome.de


Connecting to goldmine.myftp.org DOESN'T works here!!


[17:21:23] Connecting to goldmine.myftp.org via Proxy (203.121.0.12:80)
[17:22:17] <DIV class=Section1>
[17:22:17] <P class=MsoNormal
[17:22:17] style="mso-list: none; mso-list-ins: '' 19991102T2025">&nbsp;
[17:22:17] </P>
[17:22:17] <TABLE border=1 cellPadding=0
[17:22:17] style="BORDER-BOTTOM: 4.5pt outset; BORDER-LEFT: 4.5pt outset; BORDER-RIGHT:
[17:22:17] 4.5pt outset; BORDER-TOP: 4.5pt outset; WIDTH: 100%; mso-cellspacing: 1.5pt"
[17:22:17] width="100%">
[17:22:17] <TBODY>
[17:22:17] <TR>
[17:22:17] <TD
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="22%">
[17:22:17] <P class=MsoNormal><B>Problem Report</B></P>
[17:22:17] </TD>
[17:22:17] <TD
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="78%">
[17:22:17] <P class=MsoNormal>There was a communication problem.</P>
[17:22:17] </TD>
[17:22:17] </TR>
[17:22:17] <tr>
[17:22:17] <td
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="22%">
[17:22:17] <p class=MsoNormal><b>Message ID</b></p>
[17:22:17] </td>
[17:22:17] <td
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="78%">
[17:22:17] <p class=MsoNormal>TCP_ERROR </p>
[17:22:17] </td>
[17:22:17] </tr>
[17:22:17] <TR>
[17:22:17] <TD
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="22%">
[17:22:17] <P class=MsoNormal><B>Problem Description</B></P>
[17:22:17] </TD>
[17:22:17] <TD
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="78%">
[17:22:17] <P class=MsoNormal>The system was unable to communicate with the server.</P>
[17:22:17] </TD>
[17:22:17] </TR>
[17:22:17] <TR>
[17:22:17] <TD
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="22%">
[17:22:17] <P class=MsoNormal><B>Possible Problem Cause</B></P>
[17:22:17] </TD>
[17:22:17] <TD
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="78%">
[17:22:17] <P class=MsoNormal><ul><li>The Web server may be down.</li>
[17:22:17] <li>The Web server may be too busy.</li>
[17:22:17] <li>The Web server may be experiencing other problems, preventing it from responding to

clients.</li>
[17:22:17] <li>The communication path may be experiencing problems.</li></ul>
[17:22:17] <SPAN class=msoIns><INSdatetime="1999-11-02T20:37" cite="mailto: %20 "></SPAN></p>
[17:22:17] </TD>
[17:22:17] </TR>
[17:22:17] <TR>
[17:22:17] <TD
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="22%">
[17:22:17] <P class=MsoNormal><B>Possible Solution</B></P>
[17:22:17] </span></TD>
[17:22:17] <TD
[17:22:17] style="PADDING-BOTTOM: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-RIGHT: 0.75pt;
[17:22:17] PADDING-TOP: 0.75pt" width="78%">
[17:22:17] <P>Try connecting to this server later.</P>
[17:22:17] </TD>
[17:22:17] </TR>
[17:22:17] </TBODY>
[17:22:17] </TABLE>
[17:22:17] <P>&nbsp;</P>
[17:22:17] Connection failed (Connection lost)
[17:22:17] Delaying for 120 seconds before reconnect attempt #1
[17:23:41] Retry attempt Aborted

MxxCon 07-08-2003 04:17 PM
it seems like when you tried to use that proxy it was busy.
i just tried connecting w/o any prolems
Quote:
[17:12:11] (1) Connecting to ftp.uu.net via Proxy (203.121.0.12:80)
[17:12:29] (1) 220 FTP server ready.
[17:12:29] (1) 331 Guest login ok, send your complete e-mail address as password.
[17:12:29] (1) PASS (hidden)
[17:12:30] (1) 230-
...

vr500003 07-09-2003 02:12 AM
Quote:
Originally posted by MxxCon
it seems like when you tried to use that proxy it was busy.
i just tried connecting w/o any prolems
What port did you connect to?
Connecting to port 21 works for me too.
Connecting to other ports (e.g. 224, 18284) does not work.

MxxCon 07-09-2003 05:39 AM
well, right now it apears that this proxy is down so i can not test connecting to any other sites:)

vr500003 07-09-2003 06:21 AM
This proxy is up at the moment:

207.89.128.20:80

And please try both connections, to FTP servers with port 21 and servers with another port.
Because in my case connecting to a server with port 21 works with the mentioned proxy and
connecting to servers with ports other than 21 doesn't work.
And in such cases you could think that the proxy is down...

MxxCon 07-09-2003 06:27 AM
Quote:
[07:22:03] (1) Connecting to ftp.uu.net via Proxy (207.89.128.20:80)
[07:22:03] (1) <HTML><HEAD><TITLE>Cache Access Denied</TITLE></HEAD>
[07:22:03] (1) <BODY><H1>Error</H1>
[07:22:03] (1) <H2>Access Denied</H2>
[07:22:03] (1) <P>
[07:22:03] (1) Sorry, you are not currently allowed to request:
[07:22:03] (1) <PRE> ftp.uu.net:21</PRE>
[07:22:03] (1) from this cache. Please check with the
[07:22:03] (1) <A HREF="mailto:webmaster">cache administrator</A>
[07:22:03] (1) if you believe this is incorrect.
[07:22:03] (1) <P>
[07:22:03] (1) <HR>
[07:22:03] (1) <ADDRESS>
[07:22:03] (1) Generated by N2H2 Proxy Server/4.21@bess-proxy.klmz.mi.voyager.net
[07:22:03] (1) </ADDRESS></BODY></HTML>
[07:22:04] (1) Connection failed (Connection lost)
both sites i tried produce same result

vr500003 07-09-2003 06:33 AM
Quote:
Originally posted by MxxCon
both sites i tried produce same result
Hhmm, i can connect.
Maybe your domain is being blocked by the Proxy...

Do you maybe know a proxy that allows you to connect to FTP servers with
ports other than 21 so you can test?

MxxCon 07-09-2003 01:23 PM
nope, sorry, don't have/use any proxies:(
maybe somebody else here can help you..


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