# YarpSslProtocol

- Module: [Aspire.Hosting.Yarp](/reference/api/typescript/aspire.hosting.yarp.md)
- Version: `13.4.0`
- Kind: `enum`
- Source: [GitHub](https://github.com/microsoft/aspire)

Specifies the SSL protocols to enable for a YARP cluster. This enum exists because `SslProtocols` includes obsolete members and values that YARP does not accept.

## Definition

```typescript
enum YarpSslProtocol {
  None = 0,
  Tls12 = 1,
  Tls13 = 2,
}
```

## Values

- `None` = `0`
- `Tls12` = `1`
- `Tls13` = `2`