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firewall-config

authentic

Configure iptables, nftables, and cloud firewalls. Implement network segmentation and traffic filtering. Use when securing network perimeters or implementing security zones.

When to use

• Setting up a new server and need to restrict network access
• Implementing network segmentation between application tiers
• Configuring cloud security groups for AWS, GCP, or Azure resources
• Migrating from iptables to nftables
• Auditing existing firewall rules for compliance
• Responding to a security incident requiring emergency network blocks

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