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  4. Cara Mengatur Firewall di VPS Linux

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Cara Mengatur Firewall di VPS Linux Print

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Panduan konfigurasi firewall (UFW/iptables) agar VPS lebih aman.

 

  • Cek status firewall:

     
    sudo ufw status
  • Buka port penting:

     
    sudo ufw allow 22 sudo ufw allow 80 sudo ufw allow 443
  • Tutup port tidak digunakan:

     
    sudo ufw deny 21
  • Aktifkan firewall & restart:

     
    sudo ufw enable sudo ufw reload

 


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