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Proxy guides and news
How to pick the right proxy type, IP whitelist tips, product updates — short and to the point.

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How to Handle Proxy Passwords Containing Special Characters in Python Requests
Proxy usernames or passwords containing special characters can cause URLs to be parsed incorrectly and authentication to fail. This article explains proper percent encoding, Python Requests configuration, and troubleshooting without exposing credentials.

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Downloading Files Through a Proxy: Resuming with HTTP Range After a Connection Drop
Learn how to resume large file downloads through a proxy using HTTP Range, check server responses, and validate files to avoid downloading them again or combining data incorrectly.

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Setting Up a Mobile Proxy on Android: Checking Your IP and Troubleshooting
Learn how to set up a mobile proxy on Android, check your exit IP address, and identify the causes of proxy connection errors. This article also explains the limitations of Wi-Fi proxy settings and key considerations when using mobile data.

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Monitoring HTTP Proxies with Prometheus Blackbox Exporter and Alertmanager
A guide to monitoring HTTP proxies along the actual connection path, measuring latency with Prometheus Blackbox Exporter, and sending alerts through Alertmanager. This article explains how to configure probes, interpret metrics, and reduce false alerts.

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Testing wss:// WebSocket Proxies with Node.js and Troubleshooting Errors
Learn how to test whether a proxy supports secure WebSocket connections using Node.js, verify that connections actually pass through the proxy, and classify errors by stage. Includes test code for HTTP and SOCKS proxies and a troubleshooting workflow for real-time applications.

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GitHub Actions Proxy: Store Secrets and Configure CI/CD Securely
Learn how to store proxy credentials in GitHub Actions Secrets, restrict access, and use them securely in CI/CD workflows. Discover how to reduce password leaks through logs, temporary configuration files, and untrusted code.

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Configuring NO_PROXY Correctly for Localhost and Internal APIs
Learn how to configure NO_PROXY so applications access the Internet through a proxy while connecting directly to localhost and internal APIs. Explore environment variable settings, differences between HTTP libraries, and a configuration verification workflow.

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How to Update Your Proxy IP Whitelist When Your Home or Office IP Changes
A change in your network's IP address can cause an IP-authenticated proxy to reject connections even if the previous configuration worked. Learn how to identify your outbound IP, update your proxy whitelist, and safely test the connection.

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How to Configure Proxies for Website Testing by Country
Learn how to configure proxies to check pricing, currencies, and languages on your website by country. Build a controlled localization testing workflow, from setting up the environment to comparing results before launch.

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Guide to Configuring Proxies in Screaming Frog for Large-Scale Website Crawling
Learn how to configure proxies in Screaming Frog SEO Spider to crawl large-scale websites reliably, minimizing the risk of IP address rate limiting.

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Guide to Configuring Proxies for Android Emulators (LDPlayer, NoxPlayer) for Mobile Account Farming
Learn the detailed process of setting up proxies on popular Android emulators such as LDPlayer and NoxPlayer to manage and farm mobile app accounts securely and reliably.

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Guide to Configuring Proxies for Postman and JMeter for Secure API Performance Testing
Learn how to set up proxies for Postman and JMeter in detail for secure, accurate API testing and performance measurement in enterprise environments.