Summary
In this chapter, we have learned about configuring the Squid proxy server to join a cache hierarchy. We also learned about the various relationships between cache peers or neighbors. We also learned about various peer selection mechanisms for forwarding requests.
Specifically, we covered:
Advantages and disadvantages of joining a cache hierarchy
Various configuration options while adding peers
Ways to restrict access to cache peers
Various configuration directives to control request forwarding to peers
The protocols used for communication among cache peers
In the next chapter, we'll learn about configuring Squid in the reverse proxy mode.
