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Thursday, March 15, 2007 9:51 AM

Using the MMC Snap-In to Configure 64 Bit CAS Policy

The .NET Framework SDK ships with a MMC Snap-In which enables you to, among other things, avoid using caspol to modify your local security policy. Since each runtime installed on your machine has independent security policy , the MMC Snap-In will only
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Tuesday, March 21, 2006 1:17 PM

Return of the Mailbag

Over the last week or so I've seen a few questions pop up multiple times. In no particular order: Q: Is calling a virtual method with a non-virtual call verifiable? A: It depends :-) In v1.x of the CLR this was verifiable. We made a change in v2.0 which
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Wednesday, May 04, 2005 11:11 AM

Forcing Security to Stay On

Last time we looked at how the Whidbey version of CasPol uses a mutex to indicate the state of the security system. One of the more interesting fallouts from this model is that is that we can actually use this information to prevent security from being
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Thursday, April 28, 2005 8:03 AM

Whidbey's Security Off Model

Although the v1.0 and v1.1 versions of CasPol provided a switch to disable the CLR's security system, running without CAS enforcement on was never a scenario that we encouraged for obvious reasons. The choice to disable security was a system wide switch
Posted by shawnfa | 17 Comments
Wednesday, April 06, 2005 4:05 PM

Happy Birthday Channel 9

Channel 9 turns one year old today, and to celebrate they've been releasing quite a few interesting interviews. One in particular that really stands out is the four parter with Windows Kernel Architect Dave Probert . Dave gives an overview of Windows
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Wednesday, December 15, 2004 10:55 AM

Why Do I Still Get an Exception Accessing a File with Full FileIOPermission?

This issue (and its cousin: Why Do I Still Get an Exception Accessing the Registry with Full RegistryPermission?) come up fairly frequently on the newsgroups. The reasoning is actually very simple. The exception being thrown in these cases arises from
Posted by shawnfa | 5 Comments
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Friday, September 03, 2004 3:54 PM

Labor Day Links

Here are a few quick security links to check out over the barbecue this Labor Day Weekend. Nothing says party like a good discussion about impersonation leaks in managed code and how SIDs work, that's what I always say :-) Eric Lippert grabbed another
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