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# NWTLSParameters

TLS properties for creating a connection.

```
class NWTLSParameters
```

## Topics

### Accessing TLS parameters

[`TLSSessionID`](/documentation/NetworkExtension/NWTLSParameters/tlsSessionID)

The Session ID to use for the associated TCP connection.

[`SSLCipherSuites`](/documentation/NetworkExtension/NWTLSParameters/sslCipherSuites)

The set of allowed cipher suites when negotiating TLS.

[`minimumSSLProtocolVersion`](/documentation/NetworkExtension/NWTLSParameters/minimumSSLProtocolVersion)

The minimum allowed `SSLProtocol` value to use when negotiating TLS.

[`maximumSSLProtocolVersion`](/documentation/NetworkExtension/NWTLSParameters/maximumSSLProtocolVersion)

The maximum allowed `SSLProtocol` value to use when negotiating TLS.

## Relationships

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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