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Friday, June 12, 2009 11:27 AM

Temporarily re-enabling CAS policy during migration

Over the last few weeks we’ve been looking at the changes to security policy in .NET 4, namely that security policy is now in the hands of the host and the operating system. While we’ve looked at how to update code that implicitly uses CAS policy , loads
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Tuesday, June 09, 2009 12:14 PM

Coding with Security Policy in .NET 4 part 2 – Explicit uses of CAS policy

Over the last few posts, I’ve been looking at how the update to the CLR v4 security policy interacts with how you write managed code against the v4 .NET Framework.  So far we’ve looked at the implicit uses of CAS policy, such as loading assemblies
Posted by shawnfa | 1 Comments
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Monday, June 08, 2009 11:59 AM

More Implicit Uses of CAS Policy: loadFromRemoteSources

In my last post about changes to the CLR v4 security policy model, I looked at APIs which implicitly use CAS policy in their operation (such as Assembly.Load overloads that take an Evidence parameter), and how to migrate code that was using those APIs.  
Posted by shawnfa | 5 Comments
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Thursday, May 28, 2009 1:30 PM

CLR 4 Security on Channel 9

A while back I did an interview with Charles Torre   about the changes to security in CLR v4, and he posted it to the Channel 9 videos site yesterday. I start out talking about the security policy changes I've been covering here over the last week,
Posted by shawnfa | 1 Comments
Wednesday, May 27, 2009 10:46 AM

Coding with Security Policy in .NET 4.0 – Implicit uses of CAS policy

Last week we looked at sandboxing and the v4 CLR – with the key change being that the CLR now defers exclusively to the host application when setting up sandboxed domains by moving away from the old CAS policy model, and moving instead to simple sandboxed
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Friday, May 22, 2009 10:54 AM

Sandboxing in .NET 4.0

Yesterday I talked about the changes in security policy for managed applications , namely that managed applications will run with full trust - the same as native applications - when you execute them directly. That change doesn’t mean that managed code
Posted by shawnfa | 6 Comments
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Thursday, May 21, 2009 12:03 PM

Security Policy in the v4 CLR

One of the first changes that you might see to security in the v4 CLR is that we’ve overhauled the security policy system.  In previous releases of the .NET Framework, CAS policy applied to all assemblies loaded into an application (except for in
Posted by shawnfa | 13 Comments
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