The following is the table of contents for the book. Follow the links to browse the online versions of Chapters 6 and 19.

Preface (Full text)

Part I: Basics

1. Networking Basics
2. Processes, Pipes and Signals
3. Introduction to Berkeley Sockets
4. The TCP Protocol
5. The IO::Socket API and Simple TCP Applications

Part II: Developing Clients for Common Services

6. FTP and Telnet (full text)
7. SMTP: Sending Mail
8. POP, IMAP and NNTP
9. HTTP: Talking to the Web

Part III: Developing TCP Client/Server Systems

10. Forking Servers and the Inetd Daemon
11. Multithreaded Applications
12. Multiplexed Operations
13. Non-blocking I/O
14. Bulletproofing servers
15. Pre-Forking and Pre-Threading
16. The IO::Poll Module

Part IV: Advanced Topics

17. TCP Urgent Data
18. The UDP Protocol
19. UDP Servers (full text)
20. Broadcasting
21. Multicasting
22. Unix Domain Sockets

Appendices

1. Additional Code Listings
2. Perl error codes and special variables
3. Internet Reference Tables
4. References and Other Resources