On Wed, 2003-02-12 at 05:55, Stephen Hilton wrote:

> What bothers me about this method of defense is the possibilty 
> of an attacker causing a DOS by spoofing their source scan IP 
> and causing your system to deny traffic from a vaild host like 
> your upstream DNS server.

You can add your DNS server to the portsentry.ignore configuration file
so that it never get's blocked.

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