FlashFXp probs with Router :(

[fUN]

i have a Netgear RP614 and when i use flashfxp to flash something on Ftp i´ve probs ... i hope u can help me

TYPE I
200 Type set to I.
TYPE I
200 Type set to I.
PASV
227 Entering Passive Mode (**,+**,+*6,+3,5,1**)
PORT **,***,**6,*3,5,1**
200 PORT command successful.
STOR -500kb-
150 Opening BINARY mode data connection for -500kb-.
RETR -500kb-
425 Unable to open client data connection
ABOR
226 ABOR command successful.
Transfer Failed!
TYPE A
200 Type set to A.
PASV
227 Entering Passive Mode (**,***,**6,*3,5,1**)
LIST
150 Opening ASCII mode data connection for /bin/ls.
226 Transfer complete.
TYPE A
200 Type set to A.
PASV
227 Passive mode entered (**,***,**6,*3,5,1**)
LIST
125 Data connection already open; Transfer starting.
226 Transfer complete.
Transfer queue completed
1 File failed to transfer

i´ve cutted the Ip adress but this ftp server is flashable i´ve tryed with direct connection to Internet without Router and it runs ...

thx