Posts described how FSB technicians analyze DPI (deep packet inspection) logs to blacklist specific VPN protocols. One tutorial showed how to fingerprint OpenVPN over HTTPS using timing analysis.
As of mid-2025, the full fsiblog3 dataset has been uploaded to Internet Archive (mirror) and is being analyzed by cybersecurity firms. Several active Telegram channels linked to the FSB have gone silent. Russian authorities have arrested one low-level system administrator (name withheld by Russian courts) for “violation of state secrets handling procedures” — likely a scapegoat. fsiblog3.
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If fsiblog3 once ranked for terms like “FSI training blog” or “financial services blogging platform,” you can re-optimize around those. Posts described how FSB technicians analyze DPI (deep