pfsense_create_interface_lagg

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-interface-lagg.md

WHAT IT DOES

What pfsense_create_interface_lagg does on Pfsense

AI agents use pfsense_create_interface_lagg 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_interface_lagg is rated Medium

The 'create' prefix indicates this tool creates or modifies network interface configurations (link aggregation). While reversible (can be deleted/modified), it materially changes firewall network structure and can disrupt traffic flow if misconfigured. This is a Write operation rather than Execute (no code execution) or Destructive (reversible).

From the tool's definition Tool name contains 'create', indicating a write operation that modifies pfSense interface configuration (LAGG = Link Aggregation Group). Description is empty, reducing confidence slightly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pfsense_create_interface_lagg 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_interface_lagg, this is the rule to start with:

pfsense_create_interface_lagg Rate-limited

pfsense_create_interface_lagg 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_interface_lagg": {
      "limits": [
        {
          "counter": "pfsense_create_interface_lagg_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_interface_lagg call is checked against it from then on.

FAQ

Questions about pfsense_create_interface_lagg

What does the pfsense_create_interface_lagg tool do? +

pfsense_create_interface_lagg 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_interface_lagg? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_create_interface_lagg: 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_interface_lagg? +

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

Can I rate-limit pfsense_create_interface_lagg? +

Yes. Add a rate_limit block to the pfsense_create_interface_lagg 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_interface_lagg completely? +

Set action: deny in the PolicyLayer policy for pfsense_create_interface_lagg. 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_interface_lagg? +

pfsense_create_interface_lagg 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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