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Date:      Fri, 12 Dec 2003 21:36:42 -0600
From:      "Jacques A. Vidrine" <nectar@FreeBSD.org>
To:        Brett Glass <brett@lariat.org>
Cc:        net@freebsd.org
Subject:   Re: Controlling ports used by natd
Message-ID:  <20031213033642.GA76231@madman.celabo.org>
In-Reply-To: <6.0.0.22.2.20031212161250.045e9408@localhost>
References:  <200312120312.UAA10720@lariat.org> <20031212074519.GA23452@pit.databus.com> <6.0.0.22.2.20031212011133.047ae798@localhost> <20031212083522.GA24267@pit.databus.com> <6.0.0.22.2.20031212103142.04611738@localhost> <20031212181944.GA33245@pit.databus.com> <6.0.0.22.2.20031212161250.045e9408@localhost>

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On Fri, Dec 12, 2003 at 04:20:04PM -0700, Brett Glass wrote:
> It'd be nice to restrict which ports the OS
> allowed apps to use, not only so that they don't get blocked by a firewall
> but so that a worm that's gotten into the system is detected. (You could set
> off an alarm if it tried to bind a "forbidden" port.)

Er, that's the purpose of PortSentry, I believe, which I mentioned
earlier :-)
-- 
Jacques Vidrine   NTT/Verio SME      FreeBSD UNIX       Heimdal
nectar@celabo.org jvidrine@verio.net nectar@freebsd.org nectar@kth.se



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