<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>regsi.lab — Catatan Teknik &amp; Eksplorasi Sistem</title><description>Dapur kerja &amp; eksperimen arsitektur, catatan rekayasa sistem, low-latency AI, dan utilitas Linux oleh Regsi Wahyu Saputra.</description><link>https://regsi.my.id/</link><language>id-ID</language><atom:link href="https://regsi.my.id/rss.xml" rel="self" type="application/rss+xml" xmlns:atom="http://www.w3.org/2005/Atom"/><copyright>Copyright 2026 Regsi Wahyu Saputra. All rights reserved.</copyright><item><title>Automasi Sertifikat TLS Mandiri dan Zero-Config Reverse Proxy dengan Caddy Server</title><link>https://regsi.my.id/blog/automasi-tls-caddy/</link><guid isPermaLink="true">https://regsi.my.id/blog/automasi-tls-caddy/</guid><description>Menyelami arsitektur otomatisasi sertifikat TLS pada Caddy v2, mekanisme ACME challenge internal, serta strategi offloading SSL bersama Cloudflare Tunnel dengan flag auto_https off.</description><pubDate>Sat, 12 Sep 2026 00:00:00 GMT</pubDate><category>caddy</category><category>tls</category><category>ssl</category><category>reverse-proxy</category><category>cloudflare-tunnel</category><category>devops</category><category>networking</category><author>Regsi Wahyu Saputra</author></item><item><title>Arsitektur Keamanan Administrasi Server: Membatasi Port 2019 Caddy Admin Endpoint</title><link>https://regsi.my.id/blog/mengamankan-caddy-admin-api/</link><guid isPermaLink="true">https://regsi.my.id/blog/mengamankan-caddy-admin-api/</guid><description>Analisis ancaman keamanan Server-Side Request Forgery (SSRF) dan privilege escalation pada Caddy Admin API port 2019, serta implementasi hardening dengan direktif admin off.</description><pubDate>Sat, 12 Sep 2026 00:00:00 GMT</pubDate><category>security</category><category>caddy</category><category>hardening</category><category>devops</category><category>linux</category><category>api</category><category>ssrf</category><author>Regsi Wahyu Saputra</author></item><item><title>Isolasi Total Server Tanpa Port Publik Menggunakan Cloudflare Tunnel (cloudflared)</title><link>https://regsi.my.id/blog/arsitektur-ingress-cloudflare-tunnel/</link><guid isPermaLink="true">https://regsi.my.id/blog/arsitektur-ingress-cloudflare-tunnel/</guid><description>Membangun arsitektur ingress Zero Trust yang mengisolasi server lokal sepenuhnya dari internet publik dengan Cloudflare Tunnel, multi-hostname routing, dan catch-all 404.</description><pubDate>Fri, 11 Sep 2026 00:00:00 GMT</pubDate><category>cloudflare</category><category>tunnel</category><category>ingress</category><category>zero-trust</category><category>networking</category><category>homelab</category><category>security</category><author>Regsi Wahyu Saputra</author></item></channel></rss>