A proxy server essentially acts as a bridge between the user and the Internet. You do not have to connect directly to the site or other users, but to a proxy server that will communicate with the site on your behalf.
With a proxy server, your browser first connects to a proxy, which forwards your traffic to the web site you're trying to visit. This explains why proxy servers are sometimes called forward proxies.
1. The proxy server receives the traffic from the website and forwards it back to the user. In this secure way, users and websites can be separated from each other, with an agent acting as a middleman.
The specific proxy servers used globally vary depending on use cases, security requirements, compliance requirements, or other specific requirements. Proxy servers anonymize their users by changing their IP addresses, making it much harder for hackers to locate specific devices on the network if they want to access them.
A firewall is a security system that protects a network from external threats. Firewalls are primarily configured to block unwanted access or protect users from installing malicious software on their systems.
2. Proxy servers are usually deployed as hosts for these firewalls so that they can check traffic compliance before it reaches the network.
Many organizations use proxy servers as content filters to block outgoing traffic to undesirable or insecure sites.
Users can override these content filters using proxy servers. By storing data from these sites, caching makes it easier and faster to access sites you've visited before. The proxy can cache web sites for you to help reduce latency.
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