pfsense_update_firewall_advanced_settings

WHAT IT DOES

What pfsense_update_firewall_advanced_settings does on Pfsense

AI agents use pfsense_update_firewall_advanced_settings to create or update resources in Pfsense — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pfsense environment.

WHY IT NEEDS A POLICY

Why pfsense_update_firewall_advanced_settings needs a policy

The 'update' verb combined with 'advanced_settings' on a firewall control server indicates this tool creates or modifies firewall configuration reversibly. While the empty description reduces confidence, the pattern of sibling tools (all write/execute operations) and the server's stated purpose of giving 'full control over pfSense firewalls' via REST API confirms this is a Write operation.

From the tool's definition Tool name indicates 'update' operation on 'firewall_advanced_settings'; sibling tools on this server include numerous write operations (pfsense_create_*) that modify firewall configuration, suggesting this tool modifies firewall state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pfsense_update_firewall_advanced_settings Rate-limited

pfsense_update_firewall_advanced_settings stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pfsense_update_firewall_advanced_settings": {
      "limits": [
        {
          "counter": "pfsense_update_firewall_advanced_settings_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Pfsense, so you can run agents against it safely.

FAQ

Questions about pfsense_update_firewall_advanced_settings

What does the pfsense_update_firewall_advanced_settings tool do? +

pfsense_update_firewall_advanced_settings. It is categorised as a Write tool in the Pfsense MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pfsense_update_firewall_advanced_settings? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_update_firewall_advanced_settings: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Pfsense. Nothing to install.

What risk level is pfsense_update_firewall_advanced_settings? +

pfsense_update_firewall_advanced_settings is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit pfsense_update_firewall_advanced_settings? +

Yes. Add a rate_limit block to the pfsense_update_firewall_advanced_settings rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block pfsense_update_firewall_advanced_settings completely? +

Set action: deny in the PolicyLayer policy for pfsense_update_firewall_advanced_settings. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides pfsense_update_firewall_advanced_settings? +

pfsense_update_firewall_advanced_settings is provided by the Pfsense MCP server (abl030/pfsense-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.