Problem on XMPP protocoll for facebook

[Andrea Catalini]

Hi, i've a problem with XMPP protocol for facebook account while i 
haven't problem with the same protocol but for Gtalk account. I surf on 
web for solution but failure.

Pidgin write this error: *****.****@chat.facebook.com/Pidgin disabled   
Not authorized

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My setting for facebook account are:

in section basic:

Protocol: XMPP
User: facebook user
domain: chat.facebook.com
resource: Pidgin
password: *******
local alias: my name

in section advanced:

connection security: use cryptography, if available
port for connection: 5222
server of connection: chat.facebook.com
server proxy for file transfer: proxy.eu.jabber.org

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/I hope this is sufficient, i'm waiting for your help! thank you/
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