Network Support Services Revisited

Intranet: An internal network inside a company, accessible if you are on a company’s network

Intranets can provide a wide range of information and are meant to improve productivity by giving employees a greater medium to share information.
Think of it like the company’s website that’s only accessible to people on the company network.
Intranets are most commonly seen in large enterprises and can be incredibly valuable tool for employee productivity.

Proxy server: An intermediary between a company’s network and the Internet, receiving network traffic and relaying that information to the company network

This way, company network traffic is kept private from the Internet.
The internet gets traffic through a proxy server, but it doesn’t know where it originally came from.
They can be configured so certain websites are filtered from being accessed.
Proxy servers are useful for providing privacy and security on the Internet and regulating access inside the company.