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gabzaf/README.md

Gabriel Affonso

Linux System Administrator focused on security · Porto, Portugal · Student at 42 Porto

I run and harden a production Linux VPS (WireGuard, Cloudflare WAF, Docker/Traefik, centralised logs, rollback) and practise offensive security in authorised labs, writing reports with impact and remediation.

Proof of work

Repo What it is
zero-trust-vps-platform Linux VPS I operate: WireGuard admin, Cloudflare WAF, Docker/Traefik, logs and rollback
pentest-lab-reports Lab reports (command injection, IDOR): finding, impact, fix — not commercial pentest

Stack

Linux Bash Python Docker Ansible C C++ TypeScript Kubernetes OWASP

(ISC)² CC. PT / EN / ES. As Electrical Engineer: risk, standards, clients.

LinkedIn

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  1. zero-trust-vps-platform zero-trust-vps-platform Public

    Production Linux VPS (AlmaLinux) documented as four S.T.A.R. cases: zero-trust admin over WireGuard, Cloudflare WAF with origin lockdown, a DOCKER-USER-filtered container platform behind Traefik, V…

  2. pentest-lab-reports pentest-lab-reports Public

    Authorised web pentest lab reports: OWASP findings with impact, reproduction at a high level, and remediation. Not commercial testing.

  3. cybersecurity-officer cybersecurity-officer Public

    Study notes for the Security Officer role in Portugal. NIS2/RJC, QNRCS, ISO 27001, NIST CSF, CIS Controls.

    Python

  4. FT_TRANSCENDENCE FT_TRANSCENDENCE Public

    ft_transcendence is a real-time multiplayer Pong game platform built as a full-stack web application.

    TypeScript 1

  5. 42_WebServer 42_WebServer Public

    HTTP/1.1 server in C++98. Single poll() loop, nginx-style config, static files, CGI, uploads, and virtual hosts.

    C++