<!--
{
  "availability" : [
    "iOS: 2.0.0 - 13.0.0",
    "iPadOS: 2.0.0 - 13.0.0",
    "macCatalyst: 13.1.0 - 13.1.0",
    "macOS: 10.2.0 - 10.15.0"
  ],
  "documentType" : "symbol",
  "framework" : "Security",
  "identifier" : "/documentation/Security/SSLSessionOption/sendOneByteRecord",
  "metadataVersion" : "0.1.0",
  "role" : "Case",
  "symbol" : {
    "kind" : "Case",
    "modules" : [
      "Security"
    ],
    "preciseIdentifier" : "c:@E@SSLSessionOption@kSSLSessionOptionSendOneByteRecord"
  },
  "title" : "SSLSessionOption.sendOneByteRecord"
}
-->

# SSLSessionOption.sendOneByteRecord

Enables `1/n-1` record splitting for BEAST attack mitigation.

```
case sendOneByteRecord
```

## Discussion

When enabled, record splitting is performed only for TLS 1.0 connections based on a block cipher.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)