PometryDocs
GitHub

Network Security

Secure network communication

Implement network policies, TLS, and traffic control.

Kubernetes Network Policies

Restrict pod-to-pod communication:

TLS/SSL Configuration

Ingress with TLS

Internal TLS (Service Mesh)

Using Istio:

Firewall Rules (Cloud)

AWS Security Groups

GCP Firewall Rules

Private Subnets

Deploy in private subnet with NAT gateway:

API Rate Limiting

Prevent abuse:

Application-level:

DDoS Protection

  • Cloud providers: AWS Shield, GCP Cloud Armor
  • CDN: Cloudflare, Akamai
  • Web Application Firewall (WAF): Rate limiting, IP blocking

Security Checklist

  • Network policies restrict pod traffic
  • TLS enabled for external traffic
  • mTLS enabled for internal (optional)
  • Private subnets for databases
  • Rate limiting configured
  • Firewall rules minimal and specific
  • VPN/Bastion for admin access only
  • Security groups reviewed quarterly

See Also