Posted on June 07, 2021 in Security • Tagged with proxy-detection, anti-scraping • 10 min read
VPN's and Proxy Servers can be detected by comparing latencies measured with JavaScript in the browser with the corresponding latency of the TCP/IP handshake on the server.
Posted on June 05, 2021 in Security • Tagged with proxy-provider, bot-detection, anti-scraping • 10 min read
In this blog article I demonstrate several bullet-proof ways how to detect Brightdata Data Collector as a bot without any doubt.
Posted on May 20, 2021 in Scraping • Tagged with web scraping, crawling, puppeteer, playwright, CDP • 10 min read
In this blog post I explain why it is best to avoid puppeteer and playwright for web scraping.
Posted on April 24, 2021 in Security • Tagged with Proxy Detection • 7 min read
Posted on April 11, 2021 in Security • Tagged with Behavioral Analysis, Bot Detection • 4 min read
Behavioral analysis is an interesting approach to detect bots. It surely is not the panacea for bot detection, but it certainly is an useful extension in your bot hunting tool belt.
Posted on March 13, 2021 in Security • Tagged with TCP, IP, fingerprinting, Proxy, VPN • 9 min read
TCP/IP fingerprinting is as old as the Internet itself. But this technique seems to have lost it's relevancy in our modern times. However, with the rise of Proxy and VPN Providers, TCP/IP fingerprinting becomes interesting again from a security perspective.