Linux Networking Cookbook电子书

Linux Networking Cookbook

Table of Contents

Linux Networking Cookbook

Credits

About the Author

About the Reviewer

www.PacktPub.com

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Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Errata

Piracy

Questions

1. Configuring a Router

Introduction

Setting up the physical network

How to do it…

How it works…

Configuring IPv4

How to do it…

How it works…

Configuring IPv4 permanently

How to do it…

How it works…

Connecting two networks

How to do it…

How it works…

Enabling NAT to the outside

How to do it…

How it works…

Setting up DHCP

How to do it…

How it works…

Setting up a firewall with IPtables

How to do it…

How it works…

Setting up port forwarding

How to do it…

How it works…

Adding VLAN Tagging

How to do it...

How it works...

2. Configuring DNS

Introduction

Setting up your system to talk to a nameserver

How to do it…

How it works…

Setting up a local recursive resolver

How to do it…

How it works…

There's more…

Configuring dynamic DNS on your local network

How to do it…

How it works…

Setting up a nameserver for your public domain

How to do it...

How it works…

Setting up a slave nameserver

How to do it…

How it works…

3. Configuring IPv6

Introduction

Setting up an IPv6 tunnel via Hurricane Electric

How to do it…

How it works…

Using ip6tables to firewall your IPv6 traffic

How to do it…

How it works…

Route an IPv6 netblock to your local network

How to do it...

How it works…

4. Remote Access

Introduction

Installing OpenSSH

How to do it…

How it works…

Using OpenSSH as a basic shell client

How to do it…

How it works…

Using OpenSSH to forward defined ports

How to do it…

How it works…

Using OpenSSH as a SOCKS proxy

How to do it…

How it works…

Using OpenVPN

How to do it…

How it works...

5. Web Servers

Introduction

Configuring Apache with TLS

How to do it…

How it works…

Improving scaling with the Worker MPM

How to do it…

How it works…

Setting up PHP using an Apache module

How to do it…

How it works…

Securing your web applications using mod_security

How to do it…

How it works…

Configuring NGINX with TLS

How to do it…

How it works...

Setting up PHP in NGINX with FastCGI

How to do it…

How it works…

6. Directory Services

Introduction

Configuring Samba as an Active Directory compatible directory service

How to do it…

How it works…

Active Directory requirements

Selecting a realm and domain name

Using Samba-tool

Bind configuration

Joining a Linux box to the domain

How to do it…

How it works…

7. Setting up File Storage

Introduction

Serving files with SMB/CIFS through Samba

How to do it…

How it works…

Granting authenticated access

How to do it…

How it works…

Setting up an NFS server

How to do it…

How it works…

There's more…

Configuring WebDAV through Apache

How to do it…

How it works…

Apache modules

Directory directive

Authnz_external configuration

Directory definition

Authentication/Authorization:

Basic Apache directory configuration:

Enable WebDAV:

Granting write access

8. Setting up E-mail

Introduction

Configuring Postfix to send and receive e-mail

How to do it…

How it works…

There's more…

Setting up aliases

Setting up a smarthost

Relays without authentication

Relays with Auth

Setting up DNS records for e-mail delivery

How to do it…

How it works…

Configuring IMAP

How to do it...

How it works…

Configuring authentication for outbound e-mail

How to do it…

How it works…

Configuring Postfix to support TLS

How to do it…

How it works…

Blocking spam with Greylisting

How to do it…

How it works…

Filtering spam with SpamAssassin

How to do it…

How it works…

9. Configuring XMPP

Introduction

Installing ejabberd

How to do it...

How it works…

Configuring authentication

Configuring listening ports

C2S service

S2S service

HTTP Service

Access control

Modules

mod_muc

mod_roster

mod_announce

Configuring DNS for XMPP

How to do it…

How it works…

Configuring the Pidgin client

How to do it…

Install pidgin

Configuring your account

How it works…

10. Monitoring Your Network

Introduction

Installing Nagios

How to do it…

How it works…

Adding Nagios users

How to do it…

How it works…

Adding Nagios hosts

How to do it…

How it works…

Monitoring services

How to do it…

How it works…

Defining commands

How to do it…

How it works…

Monitoring via NRPE

How to do it…

How it works…

On the target

On the Nagios host

Monitoring via SNMP

How to do it...

How it works…

11. Mapping Your Network

Introduction

Detecting systems on your network with NMAP

How to do it…

How it works…

Detecting Systems Using Arp-Scan

How to do it…

How it works…

Scanning TCP ports

How to do it…

TCP CONNECT scan

TCP SYN scan

How it works…

Scanning UDP ports

How to do it…

How it works…

Identifying services

How to do it…

How it works…

Identifying operating systems

How to do it...

How it works…

12. Watching Your Network

Introduction

Setting up centralized logging

Input methods

Output methods

How to do it…

How it works…

Installing a Snort IDS

How to do it…

How it works…

WAN Interface

LAN interface

Dedicated interface

Managing your Snort rules

How to do it...

How it works…

Managing Snort logging

How to do it...

How it works…

Ubuntu stock

Enable fast logging

Enabling Tcpdump logging

Other logging options

Index