Chapter 2. Networking

In this chapter, we will cover the following recipes:

• Connecting to a network with a static IP
• Installing the DHCP server
• Installing the DNS server
• Hiding behind the proxy with squid
• Being on time with NTP
• Discussing load balancing with HAProxy
• Tuning the TCP stack
• Troubleshooting network connectivity
• Securing remote access with OpenVPN
• Securing a network with uncomplicated firewall
• Securing against brute force attacks
• Discussing Ubuntu security best practices