---
title: "nw_parameters_set_local_only(_:_:)"
framework: network
role: symbol
role_heading: Function
path: "network/nw_parameters_set_local_only(_:_:)"
---

# nw_parameters_set_local_only(_:_:)

Restricts listeners to only accepting connections from the local link.

## Declaration

```swift
func nw_parameters_set_local_only(_ parameters: nw_parameters_t, _ local_only: Bool)
```

## See Also

### Customizing Connection Options

- [nw_parameters_set_multipath_service(_:_:)](network/nw_parameters_set_multipath_service(_:_:).md)
- [nw_parameters_get_multipath_service(_:)](network/nw_parameters_get_multipath_service(_:).md)
- [nw_multipath_service_t](network/nw_multipath_service_t.md)
- [nw_parameters_set_service_class(_:_:)](network/nw_parameters_set_service_class(_:_:).md)
- [nw_parameters_get_service_class(_:)](network/nw_parameters_get_service_class(_:).md)
- [nw_service_class_t](network/nw_service_class_t.md)
- [nw_parameters_set_fast_open_enabled(_:_:)](network/nw_parameters_set_fast_open_enabled(_:_:).md)
- [nw_parameters_get_fast_open_enabled(_:)](network/nw_parameters_get_fast_open_enabled(_:).md)
- [nw_parameters_set_expired_dns_behavior(_:_:)](network/nw_parameters_set_expired_dns_behavior(_:_:).md)
- [nw_parameters_get_expired_dns_behavior(_:)](network/nw_parameters_get_expired_dns_behavior(_:).md)
- [nw_parameters_expired_dns_behavior_t](network/nw_parameters_expired_dns_behavior_t.md)
- [nw_parameters_set_requires_dnssec_validation(_:_:)](network/nw_parameters_set_requires_dnssec_validation(_:_:).md)
- [nw_parameters_requires_dnssec_validation(_:)](network/nw_parameters_requires_dnssec_validation(_:).md)
- [nw_parameters_set_prefer_no_proxy(_:_:)](network/nw_parameters_set_prefer_no_proxy(_:_:).md)
- [nw_parameters_get_prefer_no_proxy(_:)](network/nw_parameters_get_prefer_no_proxy(_:).md)