KestrunHttpMiddlewareExtensions.AddCors method (1 of 2)

Registers a named CORS policy that was already composed with a CorsPolicyBuilder and applies that policy in the pipeline.

public static KestrunHost AddCors(this KestrunHost host, string policyName, 
    Action<CorsPolicyBuilder> buildPolicy)
parameter description
host The KestrunHost instance to configure.
policyName The name to store/apply the policy under.
buildPolicy An action to configure the CORS policy.

Return Value

The current KestrunHost instance.

Exceptions

exception condition
ArgumentException Thrown when the policy name is null or whitespace.

See Also

KestrunHttpMiddlewareExtensions.AddCors method (2 of 2)

Registers a named CORS policy that was already composed with a CorsPolicyBuilder and applies that policy in the pipeline.

public static KestrunHost AddCors(this KestrunHost host, string policyName, 
    CorsPolicyBuilder builder)
parameter description
host The KestrunHost instance to configure.
policyName The name to store/apply the policy under.
builder A fully‑configured CorsPolicyBuilder. Callers typically chain .WithOrigins(), .WithMethods(), etc. before passing it here.

See Also