Practical Internet Server Configuration: Learn to Build a Fully Functional and Well-Secured Enterprise Class Internet Server

Tabsle of Contents
About the Author
About the Technical Reviewer
Chapter 1: Introduction and Preparations
	Addendum
	Free Software
	Required Knowledge and Experience
		Required Time and Motivation
	External Account for Email and Disk Space
	Selecting a System and a Provider
		Hardware
			Physical Server or Virtual Machine?
			Minimum Specifications
		Operating System
		File System
		Provider
		BIOS or UEFI Configuration
		Log On to the New Server
	Names and Addresses Used in This Book
		IP Address
		Domain Names
		Hostname
		Usernames
	Summary
Chapter 2: Unix and POSIX in a Few Words
	User Accounts
	Shell
		Shell Configuration
		Shell Script
	Directory Structure
		Filename Extensions
	Network Ports
	Processes
		Displaying Processes
		Terminating Processes
		Switching Off/Restarting the System
	Daemons
		Starting and Stopping Daemons
			BSD-Style init
			SysV-Style init
			systemd
		Other Background Processes
	Logs
	Documentation
		Man and Info Pages
		HTML and Text
		Request for Comments (RFC)
	Summary
Chapter 3: Software Management
	FreeBSD
		Base System
		Additional Software
			Package Installation
			Package Updates
			Installation of the Ports Collection
			Installation of Ports
			Port Updates
			Package and Port Information
			Removal of Packages and Ports
			Restarting the Interrupted Installation of a Port
	Debian
		Updates
		Installation
		Information
		Removal
	CentOS
		Updates
		Installation
		Information
		Removal
	Perl and Python
		Perl: CPAN/cpan
		Python: PyPI/pip
	Summary
Chapter 4: Network Basics and Firewall
	Network Configuration
		About the Netmask and the Routing Prefix
		FreeBSD
		Debian
		CentOS
	Firewall
		Martians
		FreeBSD
			Sample Configuration
			Firewall Manipulation
		Linux
			Sample Configuration
			Firewall Manipulation
		Brute-Force Attacks
			Fail2ban Configuration
			Brute-Force Attacks Against Websites
	Summary
Chapter 5: User Management and Permissions
	Users and Groups
		Files
			User Accounts
			Groups
			Manipulation
		Account Creation
			FreeBSD
			Debian
			CentOS
		Password Modification
		Account Modification
			chfn
			chsh
		Locking an Account
		Account Deletion
			FreeBSD
			Debian and CentOS
		User Information
		Group Creation and Deletion
			FreeBSD
			Debian
			CentOS
		Changing Group Memberships
			FreeBSD
			Debian
			CentOS
		Group Information
	Permissions
		Traditional
			Numerical Representation of Permissions
			Default Permissions
			Changing Permissions
			Special Permissions
		Access Control Lists
			Preparation
			Usage
			Default ACLs
	Limiting Root Access
		sudo
		Locking the Root Account
		setuid
	Accounts for Other Users
	Departure of a System Administrator
	Summary
Chapter 6: Domain Name System (DNS)
	Installation
		FreeBSD
		Debian
		CentOS
	Configuration
	Adding Domains
		Zone File
			SOA Record
			NS Record
			MX Record
			A Record
			AAAA Record
			CNAME Record
			TXT Record
			SSHFP Record
			PTR Record
			Other Records
			The Other Zone Files
		Adding Zones to the Configuration
		Loading the Configuration
	Reverse Resolution
	Consulting and Debugging
	Summary
Chapter 7: Secure Shell (SSH)
	Installing and Configuring the SSH Server
		Installation on FreeBSD
		Installation on Debian
		Installation on CentOS
		Configuration
		Starting and Stopping
			FreeBSD
			Debian and CentOS
	Starting a Session
		Linux, BSD, and macOS
		Windows
	File Transfer via an SSH Connection
		SFTP
		SCP
		rsync
	SSH Keys Instead of Passwords
		Generating a Key Pair
			Unix
			Windows
		Installing the Key on the Server
		Using a Key to Connect
			Unix
			Windows
		Rejecting Password-Based Authentication
	Summary
Chapter 8: Task Scheduling
	Network Time Protocol (NTP)
		FreeBSD
		Debian
		CentOS
	Cron
	Anacron
	at
	Summary
Chapter 9: Web Server Part 1: Apache/Nginx Basics
	Directory
	Apache
		Installation on FreeBSD
		Installation on Debian
		Installation on CentOS
		First Test
		Configuration
			FreeBSD
			Debian
			CentOS
			.htaccess
	Nginx
		Installation on FreeBSD
		Installation on Debian
		Installation on CentOS
		First Test
		Configuration
	mod_php
	PHP-FPM
		Installation on FreeBSD
		Installation on Debian
		Installation on CentOS
		Configuration
	PHP
		Configuration
		Extensions
	A First Virtual Host or Virtual Server
		DNS
		Names
		User
		Directories
		PHP-FPM
		Apache
		Nginx
			FreeBSD
			Debian
			CentOS
			Common
		Test
			It Works!
	Replacing mod_php with PHP-FPM
	Summary
Chapter 10: Traffic Encryption: SSL/TLS
	Let’s Encrypt
		Certbot
		Installation of the green.example.com Certificate
			Apache
			Nginx
		Automatic Renewal
			Restart the Web Server
		Certificate Removal
	Summary
Chapter 11: Databases
	db.example.com
	MariaDB (MySQL)
		Installation on FreeBSD
		Installation on Debian
		Installation on CentOS
		Post-installation
		phpMyAdmin
			Installation on FreeBSD
			Installation on Debian
			Installation on CentOS
			Configuration Apache
			Configuration Nginx
			Configuration PHP-FPM
			Configuration phpMyAdmin
			Connecting to phpMyAdmin
	PostgreSQL
		Installation on FreeBSD
		Installation on Debian
		Installation on CentOS
		Post-installation
		phpPgAdmin
			Installation on FreeBSD
			Installation on Debian
			Installation on CentOS
			Configuration Apache
			Configuration Nginx
			Configuration PHP-FPM
			Configuration phpPgAdmin
	Lightweight Directory Access Protocol (LDAP)
		Installation
		TLS Certificate
		Daemon Configuration
		Client Configuration
		Container for Users
		phpLDAPadmin
			Installation on FreeBSD
			Installation on Debian
			Installation on CentOS
			Configuration Apache
			Configuration Nginx
			Configuration PHP-FPM
			Configuration phpLDAPadmin
			Connecting to phpLDAPadmin
		Apache Directory Studio
	Other Databases
		DBM
		SQLite
	Summary
Chapter 12: Email Basics
	DNS
	TLS Certificate
	Internet Message Access Protocol (IMAP)
		Dovecot
		Installation
			FreeBSD
			Debian
			CentOS
		Directory
		Configuration
			Users
			Dovecot
			Email Client
		Test
	Simple Mail Transfer Protocol (SMTP)
		Postfix
		Installation
			FreeBSD
			Debian
			CentOS
		Configuration
		Test
	Basic Mail Server Finished
	Summary
Chapter 13: Web Server Part 2: Advanced Apache/Nginx
	www.example.com
	CGI (Common Gateway Interface)
		Apache
		Nginx
	Alias
		Apache
		Nginx
	Access Control
		Apache
		Nginx
	WebDAV
		Apache
		Nginx
		CalDAV and CardDAV
			Radicale and Apache
			Radicale and Nginx
			Clients
	Logs and Statistics
	Instant Web Applications
		Complete Website
		Ecommerce
		Customer Service
		Wiki
		Personal Cloud Service
	Summary
Chapter 14: Advanced Email
	Sieve
		Installation
			FreeBSD
			Debian
			CentOS
		Configuration
		Manipulation of the Filters
	Fine-tuning the Postfix Configuration
		Verification of HELO/EHLO Command
		Verification of Addresses
		Unused Addresses
	Greylisting
		Installation
		Configuration
	DNS Blackhole List (DNSBL)
	Sender Policy Framework (SPF)
		pypolicyd-spf
	DomainKeys Identified Mail (DKIM)
	Spam Filter
		Reclassification of Emails
	Web Mail
	Summary
Chapter 15: Backup and Monitoring
	Backup
		What Needs to Be Backed Up?
		Where Are Backups Stored?
		When Are Backups Created?
		Conclusion
	Monitoring
		Mailing Lists
		Monitoring Locally
			Log Files
			Scripts
		Remote Monitoring
	Summary
Chapter 16: Taking It Further
	chroot and Virtualization
	Kernel Configuration
	Load Balancing
	RAID
	Reduce the System Administrator’s Work
		Web Hosting Control Panel
		Configuration Management
	Summary
Appendix: Default Port Numbers
Index