---
title: init()
framework: network
role: symbol
role_heading: Initializer
path: network/nwprotocoltcp/options/init()
---

# init()

Initializes a default set of TCP connection options.

## Declaration

```swift
init()
```

## See Also

### Customizing TCP Options

- [enableFastOpen](network/nwprotocoltcp/options/enablefastopen.md)
- [maximumSegmentSize](network/nwprotocoltcp/options/maximumsegmentsize.md)
- [noDelay](network/nwprotocoltcp/options/nodelay.md)
- [noOptions](network/nwprotocoltcp/options/nooptions.md)
- [noPush](network/nwprotocoltcp/options/nopush.md)
- [retransmitFinDrop](network/nwprotocoltcp/options/retransmitfindrop.md)
- [disableAckStretching](network/nwprotocoltcp/options/disableackstretching.md)
- [disableECN](network/nwprotocoltcp/options/disableecn.md)