site to site transfer problem

[adN criptic]

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


the problem is... i set up a Serv-U FTP Server v2.5h on a computer at work, and i want to FXP a file from a friends computer... but its not working. both servers are fxpable with other servers like the one from my home. this is the log:

[18:36:30] PASV
[18:36:30] 227 Entering Passive Mode (213,114,26,43,11,124)
[18:36:30] PORT 213,114,26,43,11,124
[18:36:30] 200 PORT Command successful.
[18:36:30] STOR 00-q-bert-gag_seal_breaks-lp-2001-jce.nfo
[18:36:31] 150 Opening ASCII mode data connection for 00-q-bert-gag_seal_breaks-lp-2001-jce.nfo.
[18:36:31] RETR 00-q-bert-gag_seal_breaks-lp-2001-jce.nfo
[18:36:32] 150 Opening ASCII mode data connection for 00-q-bert-gag_seal_breaks-lp-2001-jce.nfo.
[18:36:36] 426 Connection closed: Connection timed out.
[18:36:36] Transfer Failed!
[18:36:36] PORT 81,196,191,57,16,186
[18:36:36] 200 PORT Command successful.
[18:36:36] LIST
[18:36:36] 425 Try later, data connection in use.

what should i do?
thank you in advance, Andrew

[MxxCon]

try to enable "alternative fxp" in site manager for one of the sites

[adN criptic]

tried alternative fxp method and it still isnt workin

now i get:

[03:13:42] PASV
[03:13:42] 227 Entering Passive Mode (212,35,139,164,11,113)
[03:13:42] PORT 212,35,139,164,11,113
[03:13:42] 200 PORT command successful.
[03:13:42] STOR FILE.txt
[03:13:43] RETR FILE.txt
[03:14:04] 150 Opening ASCII mode data connection for FILE.txt.
[03:14:04] 426 Data connection closed, receive file FILE.txt aborted.

why isnt it workin?