https://vitalii-zaiats.com/tags/tcp-fingerprinting/ Recent content in Tcp-Fingerprinting on Vitalii Zaiats Hugo en-us Thu, 11 Jun 2026 00:00:00 +0000 https://vitalii-zaiats.com/posts/socks5-udp-open-relays/ Thu, 11 Jun 2026 00:00:00 +0000 https://vitalii-zaiats.com/posts/socks5-udp-open-relays/ Final version of the SOCKS5 open-UDP-relay teardown: de-quantified the scan-list phrasing, aligned a log comment to first-person voice, and thinned one forward-reference scaffold, with all tables, numbers, RFC references, and the “signals, not weapons” defensive framing preserved verbatim. https://vitalii-zaiats.com/posts/coordinated-disclosure-cctv-proxies/ Wed, 15 Apr 2026 00:00:00 +0000 https://vitalii-zaiats.com/posts/coordinated-disclosure-cctv-proxies/ How I passively fingerprinted hacked Dutch CCTV cameras being resold as residential proxy exit nodes — and reported them to NCSC-NL without ever touching a single box.