pfsense_update_firewall_states_size

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-update-firewall-states-size.md

WHAT IT DOES

What pfsense_update_firewall_states_size does on Pfsense

AI agents use pfsense_update_firewall_states_size 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_update_firewall_states_size is rated Medium

The 'update' prefix strongly suggests this tool modifies the firewall state table size on a pfSense firewall. Changing the states table size is a Write operation that can significantly impact firewall performance and connectivity — setting it too low could cause connection drops across the network, making severity high. Confidence is reduced due to the empty description.

From the tool's definition Tool name: pfsense_update_firewall_states_size — description is empty

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pfsense_update_firewall_states_size 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_update_firewall_states_size, this is the rule to start with:

pfsense_update_firewall_states_size Rate-limited

pfsense_update_firewall_states_size 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_states_size": {
      "limits": [
        {
          "counter": "pfsense_update_firewall_states_size_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_update_firewall_states_size call is checked against it from then on.

FAQ

Questions about pfsense_update_firewall_states_size

What does the pfsense_update_firewall_states_size tool do? +

pfsense_update_firewall_states_size 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_update_firewall_states_size? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_update_firewall_states_size: 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_states_size? +

pfsense_update_firewall_states_size 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_states_size? +

Yes. Add a rate_limit block to the pfsense_update_firewall_states_size 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_states_size completely? +

Set action: deny in the PolicyLayer policy for pfsense_update_firewall_states_size. 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_states_size? +

pfsense_update_firewall_states_size 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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