# HttpKnownHeaderNames.XFrameOptions

Kind: Field  
Namespace: `Sisk.Core.Http`  
Assembly: `Sisk.Core.dll`  
Source: https://docs.sisk-framework.org/api/Sisk.Core.Http.HttpKnownHeaderNames.XFrameOptions.html

## XFrameOptions {#Sisk_Core_Http_HttpKnownHeaderNames_XFrameOptions}

The HTTP X-Frame-Options header.

Used to control whether a browser should be allowed to render a page in a iframe, frame, embed or object tag, helping to prevent clickjacking attacks.

```csharp
public const string XFrameOptions = "X-Frame-Options"
```

### Field Value

[string](https://learn.microsoft.com/dotnet/api/system.string)