Scott & Lee,

Blacklisting prevents individual hosts from being used to dictionary attack
a VNC Server.  It's a security feature and disabling it is A Bad Thing.

Regards,

Wez @ RealVNC Ltd.


> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Scott C. Best
> Sent: 01 June 2005 17:33
> To: vnc-list@realvnc.com
> Cc: [EMAIL PROTECTED]
> Subject: Re: Blacklisted IP address
> 
> Lee:
> 
>       Heya. Blacklisting only happens if a client tries
> and fails to connect repeatedly -- it seems to be about
> 5 times in a 10 second interval (empirical data, here;
> I'm not actually sure what the "interval" for failures
> is). Once blacklisting is triggered, it takes the
> "BlacklistTimeout" number of seconds until the server will
> again accept connections from that IP address.
> 
>       To effectively disable this feature, you can set
> the "BlacklistTimeout" registry key in ../WinVNC4 to "0".
> But...your email suggests that an IP address is being
> "blocked", so maybe it's really an AuthHosts problem, not
> a blacklisting one?
> 
>       Along these lines...I'm not sure I see the point
> of blacklisting the loopback interface. That's like making
> sure the front door is securely locked after the bad guys
> are already in the house. :)
> 
> -Scott
> 
> > Does anyone know how to unblacklist an IP address that is
> > being blocked.
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