Usually, when recording a client-side cookie, Silk Performer uses a generic form for the domain attribute. The domain is cropped by the first dot, for example: will be cropped to Usually, this is the desired behaviour, because such a cookie is valid for a variety of domains, including and regarding the above example.

The recording rule ScriptCookieDomainAsRequestHost defines the domain for a cookie more precisely. The domain attribute matches exactly the request host.

The recording rule can be applied to certain cookies, by adding the name of the cookie to the <data> tag.