---
title: prohibitedInterfaceTypes
framework: network
role: symbol
role_heading: Instance Property
path: network/nwparameters/prohibitedinterfacetypes
---

# prohibitedInterfaceTypes

A list of interface types that connections, listeners, and browsers will not use.

## Declaration

```swift
final var prohibitedInterfaceTypes: [NWInterface.InterfaceType]? { get set }
```

## See Also

### Selecting Paths

- [requiredInterfaceType](network/nwparameters/requiredinterfacetype.md)
- [requiredInterface](network/nwparameters/requiredinterface.md)
- [requiredLocalEndpoint](network/nwparameters/requiredlocalendpoint.md)
- [prohibitConstrainedPaths](network/nwparameters/prohibitconstrainedpaths.md)
- [prohibitExpensivePaths](network/nwparameters/prohibitexpensivepaths.md)
- [prohibitedInterfaces](network/nwparameters/prohibitedinterfaces.md)