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Networking Intermediate

What is Proxy Server?

An intermediary server that forwards requests between clients and destination servers, providing caching, filtering, or anonymity.

A proxy server acts as a gateway between users and the internet. Forward proxies serve clients (hiding client identity), while reverse proxies serve servers (load balancing, SSL termination, caching).

Use cases include content filtering, bandwidth saving through caching, accessing geo-restricted content, and security monitoring. Nginx and Squid are popular proxy server software.

Related Terms

Network Monitoring
The practice of continuously observing network infrastructure to detect failures, performance degradation, and security threats.
CIDR Notation
A compact method for specifying IP addresses and their associated routing prefix using a slash followed by the prefix length.
Network Packet
A formatted unit of data carried over a network, containing headers with routing information and a payload with the actual data.
NAT (Network Address Translation)
A method of mapping private IP addresses to public IP addresses, allowing multiple devices to share a single public IP.
HTTPS Everywhere
The practice of securing all web traffic with TLS encryption, ensuring data integrity and privacy between browsers and servers.
HTTP/HTTPS
The protocol used for transferring web pages and data between browsers and servers, with HTTPS adding encryption.
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