<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Nginx on seraldinho.pages.dev</title><link>https://seraldinho.pages.dev/tags/nginx/</link><description>Recent content in Nginx on seraldinho.pages.dev</description><generator>Hugo -- gohugo.io</generator><language>es</language><managingEditor>nseral@proton.me (Nicolás Seral)</managingEditor><webMaster>nseral@proton.me (Nicolás Seral)</webMaster><copyright>© 2026 Nicolás Seral</copyright><lastBuildDate>Tue, 02 Jun 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://seraldinho.pages.dev/tags/nginx/index.xml" rel="self" type="application/rss+xml"/><item><title>HackTheBox - Helix</title><link>https://seraldinho.pages.dev/writeups/helix/</link><pubDate>Tue, 02 Jun 2026 00:00:00 +0000</pubDate><author>nseral@proton.me (Nicolás Seral)</author><guid>https://seraldinho.pages.dev/writeups/helix/</guid><description>OS: Linux | Dificultad: Medium | Conceptos: Enum. de subdominios, Apache NiFi, CVE Público, OPC UA, Clave privada, Cracking de contraseñas, Privilegios sudo</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://seraldinho.pages.dev/writeups/helix/featured.png"/></item><item><title>HackTheBox - 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Pterodactyl</title><link>https://seraldinho.pages.dev/writeups/pterodactyl/</link><pubDate>Sat, 28 Feb 2026 00:00:00 +0000</pubDate><author>nseral@proton.me (Nicolás Seral)</author><guid>https://seraldinho.pages.dev/writeups/pterodactyl/</guid><description>OS: Linux | Dificultad: Medium | Conceptos: Pterodactyl Server Manager, CVE Público, Redis, MySQL, Trivy, UDisks2</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://seraldinho.pages.dev/writeups/pterodactyl/featured.png"/></item><item><title>HackTheBox - Browsed</title><link>https://seraldinho.pages.dev/writeups/browsed/</link><pubDate>Wed, 18 Feb 2026 00:00:00 +0000</pubDate><author>nseral@proton.me (Nicolás Seral)</author><guid>https://seraldinho.pages.dev/writeups/browsed/</guid><description>OS: Linux | Dificultad: Medium | Conceptos: Chrome Extensions, Bash Injection, Python Cache Poisoning</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://seraldinho.pages.dev/writeups/browsed/featured.png"/></item><item><title>HackTheBox - Nibbles</title><link>https://seraldinho.pages.dev/writeups/nibbles/</link><pubDate>Sat, 14 Feb 2026 00:00:00 +0000</pubDate><author>nseral@proton.me (Nicolás Seral)</author><guid>https://seraldinho.pages.dev/writeups/nibbles/</guid><description>OS: Linux | Dificultad: Easy | Conceptos: Nibbleblog, CVE Público, Metasploit</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://seraldinho.pages.dev/writeups/nibbles/featured.png"/></item><item><title>HackTheBox - Facts</title><link>https://seraldinho.pages.dev/writeups/facts/</link><pubDate>Thu, 12 Feb 2026 00:00:00 +0000</pubDate><author>nseral@proton.me (Nicolás Seral)</author><guid>https://seraldinho.pages.dev/writeups/facts/</guid><description>OS: Linux | Dificultad: Easy | Conceptos: MinIO, S3, CamaleonCMS, CVE Público, Binario Custom</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://seraldinho.pages.dev/writeups/facts/featured.png"/></item><item><title>HackTheBox - Analytics</title><link>https://seraldinho.pages.dev/writeups/analytics/</link><pubDate>Sat, 24 Jan 2026 00:00:00 +0000</pubDate><author>nseral@proton.me (Nicolás Seral)</author><guid>https://seraldinho.pages.dev/writeups/analytics/</guid><description>OS: Linux | Dificultad: Easy | Conceptos: Subdominio, Docker, RCE, Metabase</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://seraldinho.pages.dev/writeups/analytics/featured.png"/></item><item><title>HackTheBox - 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