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Possible Duplicate:
Tags with usability problems - app.config and web.config

There are some questions which are tagged with [.cs], but it is not possible to show them. The following URL results in an empty page:

The same problem exists for other extensions, filenames and paths which are blocked by ASP.NET, ee.g.:

BTW: I guess the [.cs] tag should be replaced with the [C#] tag anyway.

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marked as duplicate by Jeff Atwood Aug 29 '10 at 19:45

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

I'm fairly sure this is a duplicate - will have to search – ChrisF Aug 29 '10 at 14:15
@ChrisF: I thought so as well, but wasn't able to find something. – M4N Aug 29 '10 at 14:17
Wait, ASP.NET is blocking an extension for a file that doesn't exist? – TheLQ Aug 29 '10 at 14:33
@TheLQ: with you can configure handlers for each file-type. By default ".cs" is handled by the HttpForbiddenHandler which denies access to the requested resource. – M4N Aug 29 '10 at 14:41
up vote 5 down vote accepted

OK, a workaround seems to be to put the tag into brackets:[.cs]

But this should be done automatically by the system, e.g. when clicking the link for the [.cs] tag on the tags page (

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