---
title: tls_protocol_version_t
framework: security
role: symbol
role_heading: Enumeration
path: security/tls_protocol_version_t
---

# tls_protocol_version_t

The collection of supported TLS and DTLS versions.

## Declaration

```swift
enum tls_protocol_version_t
```

## Topics

### Protocol Versions

- [tls_protocol_version_t.TLSv10](security/tls_protocol_version_t/tlsv10.md)
- [tls_protocol_version_t.TLSv11](security/tls_protocol_version_t/tlsv11.md)
- [tls_protocol_version_t.TLSv12](security/tls_protocol_version_t/tlsv12.md)
- [tls_protocol_version_t.TLSv13](security/tls_protocol_version_t/tlsv13.md)
- [tls_protocol_version_t.DTLSv10](security/tls_protocol_version_t/dtlsv10.md)
- [tls_protocol_version_t.DTLSv12](security/tls_protocol_version_t/dtlsv12.md)

### Initializers

- [init(rawValue:)](security/tls_protocol_version_t/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)