# Security
Security considerations for bindcar deployments.
## Overview
This section covers security best practices for bindcar and BIND9.
## Authentication
- Bearer token authentication
- Kubernetes ServiceAccount tokens
- Token rotation strategies
## Access Control
- Network policies
- RBAC permissions
- API endpoint protection
## BIND9 Security
- RNDC key management
- Zone transfer restrictions
- Query access controls
## Next Steps
- [Authentication & Authorization](./auth.md) - Detailed auth configuration
- [Access Control](./access-control.md) - Access control patterns