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FullTrust on the LocalIntranet

We released the first beta of .NET 3.5 SP 1 this morning, and it includes a change to the default grant set for applications launched from the LocalIntranet zone. The quick summary is that as of .NET 3.5 SP1, applications run from a network share will
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Avoiding Assembly Level Declarative Security

I've written in the past about the three assembly level declarative security actions : RequestMinimum, RequestOptional, and RequestRefuse. Although the CLR has supported these since v1.0, I tend to stay away from using them as much as I possibly can,
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Specifying Permissions for IE Controls in Orcas

One of my most read blog posts (and one of the reasons I created this blog in the first place -- to answer what was one of the most asked questions on the old .NET Security newsgroup), is my post about granting managed controls hosted in IE extra permissions
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ClickOnce Same Site Permissions

ClickOnce applications can request that they be granted permission to contact their site of origin. In Visual Studio this is done by clicking on the Advanced button in the Security tab of the project properties and checking "Grant the application access
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Sandboxed Applications Can’t Elevate Their Own Permissions

Every once in a while someone will ask how they can do something similar to these caspol commands from within their application. Generally, they want their application to be deployed from the Internet or a file share and don’t want users to have to deal
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5 Reasons to Choose Simple Sandboxing

When it comes time to host some partially trusted code in your application, perhaps as a part of an Add-In model, you’ve got a few options to choose from. How do you decide which is the best way to go? Thankfully the answer to this one is relatively straightforward
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Debugging a Partial Trust ClickOnce Application

Although the theory is that by the time we deploy a finished application it's already fully debugged we all know that in practice things rarely go that smoothly. So what happens if you deploy a partial trust ClickOnce application that starts to crash
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Detecting that You're Running in a ClickOnce Application

In my last post , I mentioned that application scoped isolated storage only works if you're running in a ClickOnce application. That begs the question -- how do I tell if I'm currently running in the context of a ClickOnce application? You can see if
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Isolated Storage and ClickOnce

Isolated storage introduced a new scope in v2.0 of the CLR to work with ClickOnce applications. Application scoped Isolated storage is backed by the application's data directory. This enables scenarios where your isolated storage data will flow forward
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Why Can't I See My Partially Trusted ClickOnce Applications in Task Manager?

If you're developing a partial trust ClickOnce application and are looking for its process in Task Manager or Process Explorer, you might be surprised that you can't find it listed anywhere. What you will see however is a process named AppLaunch.exe.
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Using Add-Ins with a ClickOnce Deployed Application

One of the attendees at the PDC had an interesting question combining ClickOnce and Add-Ins. Basically, his application was being deployed with ClickOnce, and was running without elevating it's privileges beyond the Internet zone [fan-tastic :-)]. The
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PDC '05: Lunch with Apple

Just got back from lunch with a group from Apple. After checking the rule book, it turns out that no physical laws would be violated by having Apple and Microsoft so close together, and than fully there was no matter-antimatter reaction :-). They were
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A Closer Look at the Simple Sandboxed AppDomain

Yesterday we took a look at Whidbey's new Simple Sandboxing API . At first glance this API does seem relatively simple, however when you start to look closer at the AppDomain that is created for your sandboxed code, there are a few surprising properties.

Configuring the TrustManager

I've been working on the CLR side of ClickOnce pretty much from the beginning. In fact, since I started working with it, I can count at least 3 major design revisions and countless minor tweaks. I believe that of all the people on the CLR team, I've been
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Console Applications requre UIPermission

Starting with beta 2, we’ve made a change around what permissions are required to launch a console application. When I talk about console applications here, I’m talking about applications that specify they should run with the WINDOWS_CUI subsystem
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