Date: Wed, 19 Sep 2001 10:16:15 -0700 (PDT) From: David Kirchner <davidk@accretivetg.com> To: Brett Glass <brett@lariat.org> Cc: <security@FreeBSD.ORG> Subject: Re: Defense against "Code Rainbow" Message-ID: <20010919101020.B85958-100000@localhost> In-Reply-To: <4.3.2.7.2.20010919112438.0598b8b0@localhost>
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On Wed, 19 Sep 2001, Brett Glass wrote: > Unfortunately, there was a serious problem with this approach. The BSD > TCP/IP stack apparently does not expect its routing table to be very big, > and so scans it linearly. Something I've wanted to implement but haven't because I'm not really knowledgable enough is a sysctl that would enable/disable dynamic route creation. It's so rare that any one of these /32 routes the server creates will ever be different than any of the others that it's just a waste of resources for the system to track them. Those that want to route with their BSD box would leave dynamic routes enabled. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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