---
title: SSLProtocol.sslProtocol3
framework: security
role: symbol
role_heading: Case
path: security/sslprotocol/sslprotocol3
---

# SSLProtocol.sslProtocol3

Specifies that the SSL 3.0 protocol is preferred; the SSL 2.0 protocol may be negotiated if the peer cannot use the SSL 3.0 protocol.

## Declaration

```swift
case sslProtocol3
```