---
title: tcpi_tfo_cookie_wrong
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.12+]
path: kernel/tcp_connection_info/1643356-tcpi_tfo_cookie_wrong
---

# tcpi_tfo_cookie_wrong

## Declaration

```occ
u_int32_t tcpi_tfo_cookie_wrong:1;
```