How do I get ASP.NET Web API (self-hosted) to listen on *only* localhost?

Question

I\'m following the example here for a self-hosted ASP.NET Web API service. However, when specifying \"localhost\" as the host in the base address, it is translated to \"+\" (mea

Answer 1

Set your HostNameComparisonMode property to Exact:

var config = new HttpSelfHostConfiguration("https://localhost/api/");
config.HostNameComparisonMode = HostNameComparisonMode.Exact;

See this article for more information on HostNameComparisonMode