What Is an Upstream Proxy? Parent Proxy Explained
An upstream proxy is a proxy that forwards traffic to another proxy. Learn how upstream and parent proxies work, Squid and mitmproxy config, and real use cases.
SparkProxy·Proxy Basic
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#proxy server
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#proxy server articles
What Is a Forward Proxy? How It Works and Use Cases
A forward proxy routes client traffic to the internet through an intermediary. Learn how a forward proxy works, forward vs reverse, and common use cases.
SparkProxy·Proxy Types
How Proxy Servers and IP Addressing Work Together
A proxy substitutes its own IP for yours on every request. This guide explains how proxy servers and IP addressing work together from first principles.
SparkProxy·Guides
Do You Need a Proxy or a VPN? Use-Case Guide (2026)
Proxy or VPN, which do you actually need? A use-case guide mapping each tool to scraping, privacy, remote work, and enterprise security, with a decision table.
SparkProxy·Guides
What Is a Proxy Server? Meaning & How It Works (2026)
A proxy server is an intermediary between your device and the internet, it hides your IP, filters traffic, and boosts security for 65%+ of enterprises.
SparkProxy·Proxy Basic
What Is a Proxy Server? Types, Protocols & Use Cases (2026)
Proxy servers route traffic through an intermediary IP, cutting detection rates below 5% for residential types. Covers types, protocols, and key use cases.
SparkProxy·Guides
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