John W. Colby
jwcolby at colbyconsulting.com
Thu Sep 23 19:03:21 CDT 2004
>and brand new Intel chips with Execute Disable bit set Uhh... AMD might not like you calling THEIR technology "Intel chips". AMD invented the concept (or at least was first to market with it) in the Athlon 64 processor family. Intel promptly copied it. John W. Colby www.ColbyConsulting.com -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of MartyConnelly Sent: Thursday, September 23, 2004 5:26 PM To: Access Developers discussion and problem solving Subject: [AccessD] One hardware solution to MS buffer overflow securityproblems This solution is to use Win XP SP2 and brand new Intel chips with Execute Disable bit set Right now it is only available in Intel Itanium Servers and AMD Athalon 64 bit servers. http://www.intel.com/business/bss/infrastructure/security/xdbit.htm What it does, is set apart pages of memory to be data only, so code cannot be executed from it. http://www.intel.com/business/bss/infrastructure/security/flash.htm -- Marty Connelly Victoria, B.C. Canada -- _______________________________________________ AccessD mailing list AccessD at databaseadvisors.com http://databaseadvisors.com/mailman/listinfo/accessd Website: http://www.databaseadvisors.com