---
title: kNWErrorDomainTLS
framework: network
role: symbol
role_heading: Global Variable
path: network/knwerrordomaintls
---

# kNWErrorDomainTLS

A TLS error reported by a TLS connection or listener.

## Declaration

```swift
let kNWErrorDomainTLS: CFString
```

## See Also

### CFError Domain Constants

- [kNWErrorDomainPOSIX](network/knwerrordomainposix.md)
- [kNWErrorDomainDNS](network/knwerrordomaindns.md)