Linux System Administrator and Server Hardening Specialist
Costa Rica
Espagnol
Certaines informations sont présentées en anglais.
À propos de moi
Linux System Administrator specialized in initial server hardening, SSH security protocols, UFW firewall configuration, and file system permission auditing (Ubuntu/Debian).
I help businesses and web admins secure their Linux environments:
• Linux Server Hardening & Security Setup
• OpenSSH Hardening (Key-based auth, custom ports, root restriction)
• UFW Firewall Configuration & Port Isolation
• File Permission Auditing & Remediation
All workflows follow security standards with documented labs (GitHub: joelsolano-dev).... Plus d’infos