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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 Segmentation
The practice of dividing a network into isolated segments to improve security, performance, and management.
DNS Record Types
Different types of DNS entries that map domain names to various information like IP addresses, mail servers, and verification strings.
MTU (Maximum Transmission Unit)
The maximum size of a data packet that can be transmitted over a network without fragmentation.
Token Bucket Algorithm
A rate limiting algorithm that allows burst traffic by accumulating tokens at a fixed rate and consuming them per request.
VLAN (Virtual LAN)
A logical grouping of network devices that creates separate broadcast domains on the same physical network infrastructure.
Network Packet
A formatted unit of data carried over a network, containing headers with routing information and a payload with the actual data.
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