Part IV. Networking and related issues

Table of Contents

23. Introduction to TCP/IP Networking

23.1. Audience

23.2. Supported Networking Protocols

23.3. Supported Media

23.3.1. Ethernet

23.3.2. IEEE 802.11 (Wi-Fi)

23.3.3. Serial Line

23.4. TCP/IP Address Format

23.5. Subnetting and Routing

23.6. Name Service Concepts

23.6.1. /etc/hosts

23.6.2. Domain Name Service (DNS)

23.6.3. Network Information Service (NIS/YP)

23.6.4. Other

23.7. IPv6

23.7.1. What good is IPv6?

23.7.2. Changes to IPv4

24. Setting up TCP/IP on NetBSD in practice

24.1. Overview of the network configuration files

24.2. Connecting to common LAN setups

24.2.1. Connecting using IEEE 802.11 (Wi-Fi)

24.3. Manually creating a small LAN

24.4. Connecting to a home/office ISP with PPPoE

24.4.1. Configuring a VLAN

24.4.2. Setting up MSS clamping

24.4.3. Obtaining IPv6 addresses via Prefix Delegation

24.5. Setting up an Internet gateway with NPF

24.6. Setting up a network bridge device

24.6.1. Bridge example

24.7. Ensuring interfaces are initialized in the correct order

24.8. Some useful commands

25. The Internet Super Server inetd

25.1. Overview

25.2. What is inetd?

25.3. Configuring inetd - /etc/inetd.conf

25.4. Services - /etc/services

25.5. Protocols - /etc/protocols

25.6. Remote Procedure Calls (RPC) - /etc/rpc

25.7. Allowing and denying hosts - /etc/hosts.{allow,deny}

25.8. Adding a Service

25.9. When to use or not to use inetd

25.10. Other Resources

26. The Domain Name System

26.1. DNS Background and Concepts

26.1.1. Naming Services

26.1.2. The DNS namespace

26.1.3. Resource Records

26.1.4. Delegation

26.1.5. Delegation to multiple servers

26.1.6. Secondaries, Caching, and the SOA record

26.1.7. Name Resolution

26.1.8. Reverse Resolution

26.2. The DNS Files

26.2.1. /etc/named.conf

26.2.2. /etc/namedb/localhost

26.2.3. /etc/namedb/zone.127.0.0

26.2.4. /etc/namedb/diverge.org

26.2.5. /etc/namedb/1.168.192

26.2.6. /etc/namedb/root.cache

26.3. Using DNS

26.4. Setting up a caching only name server

26.4.1. Testing the server

27. Mail and news

27.1. postfix

27.1.1. Configuration of generic mapping

27.1.2. Testing the configuration

27.1.3. Using an alternative MTA

27.2. fetchmail

27.3. Reading and writing mail with mutt

27.4. Strategy for receiving mail

27.5. Strategy for sending mail

27.6. Advanced mail tools

27.7. News with tin

28. Introduction to the Common Address Redundancy Protocol (CARP)

28.1. CARP Operation

28.2. Configuring CARP

28.3. Enabling CARP Support

28.4. CARP Example

28.5. Advanced CARP configuration

28.6. Forcing Failover of the Master

29. Network services

29.1. The Network File System (NFS)

29.1.1. NFS setup example

29.1.2. Setting up NFS automounting for /net with amd(8)

29.2. The Network Time Protocol (NTP)