---
title: sec_protocol_options_get_default_max_tls_protocol_version()
framework: security
role: symbol
role_heading: Function
path: security/sec_protocol_options_get_default_max_tls_protocol_version()
---

# sec_protocol_options_get_default_max_tls_protocol_version()

## Declaration

```swift
func sec_protocol_options_get_default_max_tls_protocol_version() -> tls_protocol_version_t
```

## Return Value

Return Value The default maximum TLS version.

## Discussion

Discussion Get the system default maximum TLS protocol version.