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Cybersecurity › Network Security

Next-Gen Firewalls

18 Controls
Next-Generation Firewalls

Implement advanced firewalls with deep packet inspection, application awareness, and threat intelligence integration.

Implementation:
  • Application-layer filtering and control
  • Intrusion prevention capabilities
  • SSL/TLS inspection and decryption
  • Threat intelligence feeds integration
# iptables — Block all inbound, allow established + SSH
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A INPUT -i lo -j ACCEPT