Security › Network Security › Firewall Rules

🛡️ Firewall Rules

Configure inbound and outbound traffic controls for your cloud infrastructure. Rules are evaluated by priority (lowest number first). Default action: DROP.

Configuration
ID: fw-8f4a2c91
Low Priority High Priority (20)
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rule_id: "fw-8f4a2c91" name: "Allow-HTTPS-Inbound" direction: "inbound" action: "ALLOW" protocol: "tcp" port: 443 source: "0.0.0.0/0" priority: 20 stateful: true
✅ Validation passed. Rule syntax is correct and ready for deployment.
Rule ID Name Direction Source → Dest Action Priority Status Actions
fw-8f4a2c91 Allow-HTTPS-Inbound Inbound 0.0.0.0/0 → 10.0.1.0/24 ALLOW
20		 Active
fw-3d91b2e4 Block-Bot-Net Inbound 185.220.101.0/24 → * DROP
5		 Active
fw-7c22a1f9 Allow-SSH-Admin Inbound 203.0.113.42/32 → 10.0.1.0/24 ALLOW
10		 Disabled
fw-default Default-Deny-All Inbound/Outbound * → * DROP
100		 Active
Recent Traffic Events
2025-06-15 14:23:11
ALLOW
Src: 8.8.8.8 → Dst: 10.0.1.15:443 (TCP) | Rule: fw-8f4a2c91
2025-06-15 14:22:58
DROP
Src: 185.220.101.44 → Dst: 10.0.1.15:22 (TCP) | Rule: fw-3d91b2e4 | Reason: Botnet IP
2025-06-15 14:21:33
ALLOW
Src: 203.0.113.42 → Dst: 10.0.1.15:22 (TCP) | Rule: fw-7c22a1f9
2025-06-15 14:20:12
DROP
Src: 45.95.169.3 → Dst: 10.0.1.15:3389 (TCP) | Rule: fw-default | Reason: Default Deny
2025-06-15 14:19:45
ALLOW
Src: 10.0.1.15 → Dst: 13.107.42.14:443 (TCP) | Rule: fw-allow-outbound
API & CLI Reference

Manage firewall rules programmatically using our REST API or Terraform provider. Rules follow a first-match-wins evaluation model.

# Create firewall rule via CloudNexus CLI cxn firewall create \ --name "Allow-HTTPS-Inbound" \ --direction inbound \ --action allow \ --protocol tcp \ --port 443 \ --source 0.0.0.0/0 \ --priority 20 \ --stateful # REST API Example POST https://api.cloudnexus.io/v1/firewall/rules { "name": "Allow-HTTPS-Inbound", "direction": "inbound", "action": "allow", "protocol": "tcp", "port": "443", "source_cidr": "0.0.0.0/0", "priority": 20, "enable_logging": true }
📘 Full API Docs 📦 Terraform Provider
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