This guide introduces you to the QNX Neutrino Core Networking stack and its manager, io-pkt.
The following table may help you find information quickly in this guide:
| For information on: | Go to: | 
|---|---|
| io-pkt and its architecture | Overview | 
| Examining and modifying packets, and creating a firewall | Packet Filtering | 
| Setting up secure connections | IP Security and Hardware Encryption | 
| 802.11 a/b/g (Wi-Fi) | Wi-Fi Configuration Using WPA and WEP | 
| io-pkt and Qnet | Transparent Distributed Processing | 
| Support for different types of network drivers | Network Drivers | 
| Related utilities, etc. | Utilities, Managers, and Configuration Files | 
| How to write your own network driver | Writing Network Drivers for io-pkt | 
| Sample code for the above | A Hardware-Independent Sample Driver: sam.c | 
| More information about writing a network driver | Additional Information | 
| Terms used in this document | Glossary |