Miller James

@miller-proxy001

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Infrastructure Lead at Proxy001. Writing about Web Scraping, Python & Residential Proxies.

Joined November 2025

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Recently published

MJMiller Jamesproxy001.hashnode.dev4d ago · 13 min read

Session Persistence Across Rotating Proxies in Python: The Sticky-IP Pattern

Your scraper logs in fine, then three requests later it's hit with a CAPTCHA or a fresh login screen — because your rotating proxy handed the next request a different exit IP and the target tied the s

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MJMiller Jamesproxy-engineering.hashnode.devDec 9, 2025 · 21 min read

Web Scraping Proxy Playbook: From "Works Locally" to Surviving Cloudflare in Production

Your web scraping proxy setup works flawlessly on your laptop. You ship it to a cloud server, and suddenly you're drowning in 403 errors, CAPTCHAs, and mysterious timeouts. This is the "works locally, fails in production" trap—and it catches nearly e...

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MJMiller Jamesproxy001-engineering.hashnode.devDec 4, 2025 · 20 min read

How to Detect Whether an IP Is a Proxy: Practical Methods, Code Examples, and Real-World Use Cases

Proxy detection has become a critical capability for modern web applications. Whether you're protecting an e-commerce platform from fraudulent orders, validating advertising traffic authenticity, or defending APIs against automated abuse, understandi...

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MJMiller Jamesproxy001.hashnode.devNov 27, 2025 · 3 min read

How to Rotate Residential Proxies in Python to Avoid 403 Errors

How to Rotate Residential Proxies in Python to Avoid 403 Errors Web scraping at scale often hits a wall: the 403 Forbidden error. Modern Web Application Firewalls (WAFs) are increasingly aggressive at detecting non-human traffic. While rotating User-...

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Miller James

About

Available for

Miller James's blogs

Recently published

Session Persistence Across Rotating Proxies in Python: The Sticky-IP Pattern

Web Scraping Proxy Playbook: From "Works Locally" to Surviving Cloudflare in Production

How to Detect Whether an IP Is a Proxy: Practical Methods, Code Examples, and Real-World Use Cases

How to Rotate Residential Proxies in Python to Avoid 403 Errors

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Miller James

About

Available for

Miller James's blogs

Recently published

Session Persistence Across Rotating Proxies in Python: The Sticky-IP Pattern

Web Scraping Proxy Playbook: From "Works Locally" to Surviving Cloudflare in Production

How to Detect Whether an IP Is a Proxy: Practical Methods, Code Examples, and Real-World Use Cases

How to Rotate Residential Proxies in Python to Avoid 403 Errors