You can't become an UP if you are firewalled.... Look in tools- options - error report-see an exemple. If the line
recived incoming this sessions: true, you can become an UP if false you are firewalled by either a software or a router.

Bonne chance

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Liens d'intérêt /Links of interest:
Gnutellaforums en français /The House's rules you have to respect / First search the forum, then create a thread / Free software alternatives! - Logiciels alternatifs gratuits!/