pfsense_create_system_restapi_settings_sync

A write tool on the Pfsense MCP server.

SERVERPfsense SOURCEabl030/pfsense-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/abl030-pfsense-mcp/pfsense-create-system-restapi-settings-sync.md

WHAT IT DOES

What pfsense_create_system_restapi_settings_sync does on Pfsense

AI agents use pfsense_create_system_restapi_settings_sync 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.

RISK

Why pfsense_create_system_restapi_settings_sync is rated Medium

This tool creates or modifies REST API configuration settings on a pfSense firewall system. While the empty description reduces confidence slightly, the naming pattern ('pfsense_create_') and context (firewall configuration management) indicate it performs Write operations—creating or modifying REST API synchronization settings.

From the tool's definition Tool name contains 'create' and 'restapi_settings_sync', indicating it creates or modifies REST API settings on pfSense. Server description states it 'gives AI agents full control over pfSense firewalls' with 677 tools covering critical infrastructure.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pfsense_create_system_restapi_settings_sync safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Pfsense, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pfsense_create_system_restapi_settings_sync, this is the rule to start with:

pfsense_create_system_restapi_settings_sync Rate-limited

pfsense_create_system_restapi_settings_sync 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_create_system_restapi_settings_sync": {
      "limits": [
        {
          "counter": "pfsense_create_system_restapi_settings_sync_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Pfsense, apply this rule, and every pfsense_create_system_restapi_settings_sync call is checked against it from then on.

FAQ

Questions about pfsense_create_system_restapi_settings_sync

What does the pfsense_create_system_restapi_settings_sync tool do? +

pfsense_create_system_restapi_settings_sync is a write tool on the Pfsense MCP server. 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_create_system_restapi_settings_sync? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_create_system_restapi_settings_sync: 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_create_system_restapi_settings_sync? +

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

Can I rate-limit pfsense_create_system_restapi_settings_sync? +

Yes. Add a rate_limit block to the pfsense_create_system_restapi_settings_sync 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_create_system_restapi_settings_sync completely? +

Set action: deny in the PolicyLayer policy for pfsense_create_system_restapi_settings_sync. 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_create_system_restapi_settings_sync? +

pfsense_create_system_restapi_settings_sync 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.

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