Firewall Configuration

Configure host-based and cloud firewalls for network security.

When to Use This Skill

Use this skill when:

• 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

Prerequisites