Protect ASP.NET applications

Hello.

I had a problem last month when my webhosting provider stole an ASP.NET application and somehow sold it to other company.
I cannot prove anything cause no copyright was written in files ...

Now that "I'm fried" I want to ask you to help me protect my applications (.dll's), and make them run only on one machine.
Maybe retrieving the Procesor ID... etc.

I really have no idea what is the best practice, but I am trying to find as much "unique" parameters as possible to avoid this problem in the future....

Please help me.
And take care...

Thanking you in advanve,
Vlad Mihai
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ptmcompCommented:
You can sign your assemblies and you can add some policies but you cannot avoid that the files being copied by your webhosting provider. If your provider is not serious then change the provider or get a permanent connection and host it yourself. You should have a firewall between the webserver and the internet to protect your webapp better.
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