Security on Chengyu Wanghttps://chengyu.eu/tags/security/Recent content in Security on Chengyu WangHugo -- gohugo.ioen© 2026 ChengyuWed, 28 Jan 2026 21:59:54 +0000Clawdbot 2026: VPS Deployment and Hardening Diaryhttps://chengyu.eu/posts/clawdbot-2026-vps-deployment/Wed, 28 Jan 2026 21:59:54 +0000https://chengyu.eu/posts/clawdbot-2026-vps-deployment/Working around a broken systemd installer, teaching a model to fetch stock data itself when the plugin store isn’t reachable, and locking the firewall down to SSH-only.Fixing an Exposed Directory Listing in My Podsync Docker Servicehttps://chengyu.eu/posts/podsync-directory-exposure-fix/Wed, 09 Jul 2025 11:00:06 +0000https://chengyu.eu/posts/podsync-directory-exposure-fix/A missing index.html meant Podsync’s web server was serving up a full directory listing of everything it had synced — here’s the one-file fix.