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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
2.4 KiB
2.4 KiB
API Reference: pfSense Firewall Configuration Agent
Overview
Manages pfSense firewall rules via the REST API: creates LAN/DMZ/Guest isolation rules, configures NAT port forwarding, and audits rules for overly permissive or undocumented entries.
Dependencies
| Package | Version | Purpose |
|---|---|---|
| requests | >=2.28 | pfSense REST API communication |
Prerequisites
- pfSense 2.7+ with the
pfsense-apipackage installed - API key and secret configured in pfSense WebConfigurator
CLI Usage
# Audit existing rules
python agent.py --url https://192.168.1.1 --api-key <key> --api-secret <secret> --audit-only
# Create DMZ and Guest isolation rules
python agent.py --url https://192.168.1.1 --api-key <key> --api-secret <secret> \
--setup-dmz --setup-guest
Key Functions
PfSenseAPI(base_url, api_key, api_secret)
REST API client for pfSense with GET, POST, PUT, DELETE methods.
get_firewall_rules(api)
Retrieves all configured firewall rules from pfSense.
create_firewall_rule(api, interface, action, protocol, source, destination, dst_port, description)
Creates a new firewall rule on the specified interface.
create_lan_to_wan_rules(api)
Creates standard LAN egress rules: HTTP, HTTPS, DNS allowed; all else blocked.
create_dmz_rules(api, dmz_interface)
Creates DMZ isolation rules: inbound web traffic allowed, DMZ-to-LAN blocked.
create_guest_isolation_rules(api, guest_interface)
Blocks guest network from all RFC1918 ranges, allows internet-only access.
configure_nat_port_forward(api, interface, external_port, target_ip, target_port)
Creates NAT port forwarding rules for inbound service access.
audit_firewall_rules(rules)
Audits for: any-to-any pass rules, undocumented rules, and disabled rules.
pfSense API Endpoints Used
| Endpoint | Method | Purpose |
|---|---|---|
/api/v1/firewall/rule |
GET | List all rules |
/api/v1/firewall/rule |
POST | Create new rule |
/api/v1/firewall/nat/port_forward |
POST | Create NAT rule |
/api/v1/diagnostics/system_log/firewall |
GET | Retrieve firewall logs |
Rule Templates
| Template | Rules | Purpose |
|---|---|---|
| LAN-to-WAN | 5 | Standard egress (HTTP, HTTPS, DNS + block all) |
| DMZ | 6 | Web inbound, block to LAN, limited outbound |
| Guest | 6 | Block RFC1918, allow internet only |