Help !!!! Problem With Ident

[MAD-DOG]

I NEED TO CONNECT TO A SITE WITH IDENT
IM SURFING UNDER A ROUTER (NETWORK)
AND I SEE THIS :

Microsoft wsock32.dll, ver2.2, 32bit of Jul 27 1999, at 02:06:18.
Connecting to SITE
Connected to SITE -> IP=******** PORT=***
220 ShadowlighT (glftpd 1.27_Linux) ready.
USER ***
331 Password required for roy.
PASS (hidden)
530 "*@((MY IP))" is not valid for the account specified.
Connection failed
Delaying for 120 seconds before reconnect attempt #1

WHY IS THAT ?
HEEEEEELP