Supported NAT Types
| Feature | 1:1 NAT | Many:1 PAT (Masquerade) |
|---|---|---|
| External IP per client | ✅ Dedicated | ❌ Shared |
| Maps all ports | ✅ | ❌ |
| Inbound without outbound | ✅ | ❌ |
| Outbound | ✅ | ✅ |
| Port filtering | ✅ Optional ACL | N/A |
| Use case | Servers, hosting, full access | Outbound-only clients |