Troubleshooting
Everything tagged Troubleshooting.
74 articles
Topic Troubleshooting
Guide
Unable to Connect to the Proxy Server: Fixes for Every Device
Chrome's old heading for ERR_PROXY_CONNECTION_FAILED. What to check in order on Windows and in Chrome, who set the proxy, and the fix on Android, Mac and Firefox.
August 24, 2026 · 12 min read
Guide
Windows Could Not Automatically Detect This Network's Proxy Settings: How to Fix It
What the troubleshooter's message means, where Windows keeps its proxy settings, and the fixes in order, from Microsoft's own pages: Settings, WinHTTP, the VPN, the stack.
August 24, 2026 · 8 min read
Guide
Proxy Error Codes: What Each Message Means and Who Sent It
Every proxy error comes from one of three places: your machine, the proxy or the site. We sent the same failures to nine clients and recorded what each one prints.
August 23, 2026 · 17 min read
Guide
Do Your Proxies Support WebSockets? How to Test It in Two Minutes
WebSockets fail through proxies in a few specific ways, and provider docs rarely mention it. The two-minute test, how to read the failure, and why rotation is the usual cause.
August 23, 2026 · 11 min read
Guide
How the _abck cookie works, measured in a real browser
What the Akamai _abck cookie is, what its value contains, how the sensor rewrites it, and what a proxy changes. Measured in Chrome on September 2, 2026.
August 6, 2026 · 15 min read
Guide
How to Bypass AWS WAF Bot Control With Residential Proxies
AWS WAF Bot Control scores your IP reputation, your TLS (JA3) fingerprint, a JavaScript token that interrogates your browser, and your session behavior. Residential proxies fix the reputation part. The other three signals you bring yourself.
July 18, 2026 · 8 min read
Guide
How to Bypass Fastly Bot Management (Next-Gen WAF) With Residential Proxies
Fastly's Next-Gen WAF, formerly Signal Sciences, scores your IP and NLX reputation, your request signals and rate, and a client-side challenge that fingerprints headless browsers. What residential proxies fix, and what you have to bring yourself.
July 18, 2026 · 8 min read
Guide
How to Scrape Past Radware Bot Manager With Residential Proxies
Radware Bot Manager scores your IP and cross-property reputation, a JavaScript Crypto Challenge, a 250-parameter device fingerprint, and your intent through IDBA. What a residential proxy solves there, and what you have to bring yourself.
July 18, 2026 · 8 min read
Guide
How to Get Past Kasada When Scraping (and Why It Is Hard)
Kasada is an invisible, CAPTCHA-free bot defense built around a client-side JavaScript challenge that only a real browser can run. We cover how it works, what residential proxies do and do not fix, and why it is one of the hardest walls.
July 17, 2026 · 10 min read
Guide
How to get through a Queue-it waiting room, and why bypass tools fail
Why a Queue-it waiting room holds you or sends you back, what its signed pass checks, and what gets you in. Read from Queue-it's documentation and connector code in September 2026.
July 17, 2026 · 12 min read
Guide
How to Handle F5 (Shape) Distributed Cloud Bot Defense When Scraping
Shape Security has been F5's since January 2020 and now ships as Distributed Cloud Bot Defense. Its first answer to a plain client can be a 200 holding nothing but an obfuscated script, from a home address too. What it reads, where we met it, and what a residential proxy changes.
July 17, 2026 · 10 min read
Guide
How to Handle PerimeterX (Now HUMAN) When Scraping
PerimeterX, now HUMAN Bot Defender, scores every request and keeps the score in a cookie that lives 5.5 minutes. Our plain requests were refused at Sam's Club, GNC and Wayfair from home and datacenter alike. What a residential IP changes, and the rest.
July 17, 2026 · 10 min read
Guide
How to Scrape Past Akamai Bot Manager With Residential Proxies
Akamai scores every request from 0 to 100, starting with the first. A residential IP fixes the reputation part: our plain requests from a home connection still got Access Denied from Home Depot, Kohl's and Lowe's. What gets through, and what it costs.
July 17, 2026 · 14 min read
Guide
How to Scrape Past Imperva (Incapsula) With Residential Proxies
Imperva answered our plain requests from a home connection with 200 OK, and two of three pages were challenges. What a residential proxy fixes, and the rest.
July 17, 2026 · 16 min read
Guide
How to Solve Cloudflare Turnstile Errors: Every Code, What It Means, the Fix
What each Cloudflare Turnstile error code means, from 600010 and 110200 to timeout-or-duplicate, who has to fix it, and how, from the Cloudflare docs and 142 reports.
July 17, 2026 · 9 min read
Guide
Free DeepSeek Proxy for Janitor AI: Setup and Fixing 429 Errors
Set up DeepSeek as a Janitor AI proxy in minutes: the API key, the proxy URL and the current model name, why the free route ended, and how to fix 429 errors.
July 10, 2026 · 9 min read
Guide
ERR_PROXY_CONNECTION_FAILED in Chrome: 6 Fixes
ERR_PROXY_CONNECTION_FAILED means Chrome cannot reach your proxy at all. Six fixes, plus the neighboring errors we produced one at a time to tell them apart.
July 3, 2026 · 11 min read
Guide
How to Fix 403 Forbidden Errors When Using a Proxy
A 403 through a proxy comes from the site or from the proxy itself. One command tells you which, and RFC 9110, Squid and the sites' own rules say what to do next.
July 3, 2026 · 8 min read
Guide
How to Fix 407 Proxy Authentication Required
A 407 comes from the proxy, not the site. What curl, Python, PowerShell, npm, git and Java print for it, and the fix for each cause, measured in 129 cases on a lab proxy.
July 3, 2026 · 14 min read
Guide
429 Too Many Requests: What It Means, Who Counts, and How to Fix It
A 429 means a server counted your requests and refused one. Who counts (address, token or account), the 429s waiting never ends, Retry-After and backoff.
July 3, 2026 · 13 min read
Guide
How to Fix 502 Bad Gateway Errors When Using a Proxy
502 Bad Gateway through a proxy means a gateway got an invalid response from upstream. Which gateway, measured: the Via header and the clock tell you.
July 3, 2026 · 13 min read
Guide
How to Fix cURL Proxy Errors (7, 56, and 60)
Three cURL exit codes cover almost every proxy failure: 7, 56 and 60. What each one means, why proxies trigger it, the real fix, and the failure that exits 0.
July 3, 2026 · 14 min read
Guide
How to Get Around DataDome With Residential Proxies
DataDome scores your IP, your browser and your behavior. A residential proxy fixes the first: our own plain request from a home connection still got a 403 and a 0.99 risk score. What gets through, where DataDome runs, and what the traffic costs.
July 3, 2026 · 16 min read
Guide
How to Scrape Past Cloudflare With Proxies in 2026
We changed one thing at a time against 14 sites. The same plain request from a home and a datacenter address got the same answer at all 14; changing only the TLS stack changed two. What Cloudflare checks, what a residential proxy does there, and the setup that follows.
July 3, 2026 · 9 min read
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Proxies that don't die mid-job
Residential, ISP, datacenter and mobile, verified by the same engine that runs tens of millions of checks. They read as a real device and hold up under load. Pay as you go, and your balance never expires. $0.44/GB is the 2,000 GB+ rate; a single gigabyte is $0.50/GB, with no minimum order.
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HProxy.
Honest guides and comparisons on proxies, scraping and staying unblocked, from the team that runs the network.