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Blog

Thoughts, tutorials, and engineering notes.

Real projects, AI-assisted drafting. I document my actual experiments and code, using AI tools to structure and polish the final write-ups.

Running a Tor Bridge on Linux: Complete obfs4 & WebTunnel Guide
March 30, 2026
  • #Tor
  • #Privacy
  • #Linux

Running a Tor Bridge on Linux: Complete obfs4 & WebTunnel Guide

Guide to running obfs4 and WebTunnel Tor bridges on Linux with Nginx camouflage, firewall hardening, Prometheus monitoring, and CrowdSec.

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MikroTik PPPoE + DHCPv6-PD: Dual-Stack for DIGI Spain
February 15, 2026
  • #MikroTik
  • #PPPoE
  • #IPv6

MikroTik PPPoE + DHCPv6-PD: Dual-Stack for DIGI Spain

Configure PPPoE with DHCPv6 Prefix Delegation on MikroTik RouterOS for DIGI Spain. VLAN tagging, SLAAC, prefix change handling, and firewall rules.

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MikroTik WireGuard VPN: Complete Dual-Stack IPv4/IPv6 Configuration
February 14, 2026
  • #MikroTik
  • #WireGuard
  • #VPN

MikroTik WireGuard VPN: Complete Dual-Stack IPv4/IPv6 Configuration

Configure WireGuard VPN on MikroTik RouterOS with full IPv4/IPv6 dual-stack. Access your home network with native IPv6 from any connection.

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MikroTik Honeypot: Trap & Auto-Block Port Scanners
January 19, 2026
  • #MikroTik
  • #Security
  • #Honeypot

MikroTik Honeypot: Trap & Auto-Block Port Scanners

Configure a MikroTik honeypot to detect port scanners, log malicious activity, and auto-block attackers using firewall address lists and the RAW table.

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Implementing a Tarpit in Nginx: Trap Malicious Scanners
January 16, 2026
  • #Nginx
  • #Security
  • #Tarpit

Implementing a Tarpit in Nginx: Trap Malicious Scanners

Implement an Nginx tarpit to slow down and trap malicious bots, vulnerability scanners, and brute-force attackers. Includes CrowdSec integration.

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Mastering QUIC and HTTP/3 with Nginx: The Complete Guide
January 14, 2026
  • #Nginx
  • #HTTP3
  • #Performance

Mastering QUIC and HTTP/3 with Nginx: The Complete Guide

Deep dive into QUIC and HTTP/3 — technical architecture, security features, and step-by-step Nginx configuration for production deployment.

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Content Security Policy (CSP) with Nginx: The Complete Guide
December 19, 2025
  • #Nginx
  • #Security
  • #CSP

Content Security Policy (CSP) with Nginx: The Complete Guide

Master Content Security Policy from zero to A+ — nonces, hashes, strict-dynamic, Trusted Types, bypass prevention, and production Nginx configs.

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Mastering Virtual Files in Nginx: A Complete Guide
December 18, 2025
  • #Nginx
  • #DevOps
  • #Containers

Mastering Virtual Files in Nginx: A Complete Guide

Serve virtual files in Nginx without disk I/O. Covers root vs alias vs try_files, named locations, Kubernetes health endpoints, and containers.

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Mastering Mutual TLS (mTLS) with Nginx: A Deep Dive
December 16, 2025
  • #Nginx
  • #Security
  • #mTLS

Mastering Mutual TLS (mTLS) with Nginx: A Deep Dive

Implement Mutual TLS (mTLS) with Nginx — create a CA, generate client certificates, configure CRL and OCSP revocation, and enable Zero Trust.

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Topics

# security 6 # nginx 6 # mikrotik 3 # ipv6 2 # tor 1 # privacy 1 # linux 1 # pppoe 1 # dhcpv6-pd 1 # networking 1 # wireguard 1 # vpn 1 # honeypot 1 # tarpit 1 # http3 1 # performance 1 # csp 1 # devops 1 # containers 1 # kubernetes 1 # mtls 1

© 2026 José Manuel Requena Plens. All rights reserved.