# HttpKnownHeaderNames.PublicKeyPins

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

## PublicKeyPins {#Sisk_Core_Http_HttpKnownHeaderNames_PublicKeyPins}

The HTTP Public-Key-Pins header.

Used to prevent man-in-the-middle attacks by specifying which public keys are valid for the server's certificate.

```csharp
public const string PublicKeyPins = "Public-Key-Pins"
```

### Field Value

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