HostFilteringOptions.AllowedHosts Property

Definition

Namespace:

Microsoft.AspNetCore.HostFiltering

Assembly:

Microsoft.AspNetCore.HostFiltering.dll

Package:

Microsoft.AspNetCore.App.Ref v8.0.0

The hosts headers that are allowed to access this site. At least one value is required.

public:
 property System::Collections::Generic::IList<System::String ^> ^ AllowedHosts { System::Collections::Generic::IList<System::String ^> ^ get(); void set(System::Collections::Generic::IList<System::String ^> ^ value); };

public System.Collections.Generic.IList<string> AllowedHosts { get; set; }

member this.AllowedHosts : System.Collections.Generic.IList<string> with get, set

Public Property AllowedHosts As IList(Of String)

Property Value

IList<String>

Remarks

• Port numbers must be excluded.
• A top level wildcard "*" allows all non-empty hosts.
• Subdomain wildcards are permitted. E.g. "*.example.com" matches subdomains like foo.example.com, but not the parent domain example.com.
• Unicode host names are allowed but will be converted to punycode for matching.
• IPv6 addresses must include their bounding brackets and be in their normalized form.