A customer has set up a website on a server IIS6. In older versions of Firefox, they have a problem with a URL containing a hyphen character. When they request


they get a 301 redirect to


The hyphen is replaced by the "%2D" code, and they want to continue seeing the hyphen.

The obvious answer that we have given to the customer, is that the problem is solved by upgrading to II7 or using a newer version of Firefox, but it seems that these options are not possible for them.

Exist any other way to solve the problem?

They are tested using Firefox 20.

Thanks a lot for your help!

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