Summary

Let's recap some of the key points covered in this chapter. You learned all about what IPsec is and its key features. You also learned about the different types of security association modes. Next, you learned how to configure an IPsec tunnel on pfSense for different sites. You also learned how to create firewall and NAT rules to allow traffic through the IPsec tunnels. In the final chapter, you will learn about a proxy server implementation called Squid proxy server.