TCP/IP Illustrated, Vol. 1: The Protocols (Addison-Wesley Professional Computing Series)

TCP/IP Illustrated: The Implementation, Vol. 2

TCP/IP Illustrated: v. 3: TCP for Transactions, HTTP, NNTP and the Unix Domain Protocols (Addison-Wesley Professional Computing Series)

Interconnections: Bridges, Routers, Switches, and Internetworking Protocols (2nd Edition)

The TCP/IP Guide: A Comprehensive, Illustrated Internet Protocols Reference

Unix Network Programming, Volume 1: The Sockets Networking API (3rd Edition)

UNIX Network Programming

The Design of the UNIX Operating System

Operating Systems: Three Easy Pieces

The Linux Programming Interface: A Linux and UNIX System Programming Handbook

Practical Packet Analysis, 3E: Using Wireshark to Solve Real-World Network Problems