move_firewall_rule · pfSense Enhanced MCP Server MCP

WHAT IT DOES

What move_firewall_rule does on pfSense Enhanced MCP Server

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

WHY IT NEEDS A POLICY

Why move_firewall_rule needs a policy

This tool modifies the state of firewall rules by reordering them. While it does not create, delete, or destroy rules (which would be Destructive), it does alter firewall behavior in a way that affects packet handling. Rule order is critical to firewall function—moving rules can cause previously blocked traffic to be allowed or allowed traffic to be blocked, creating security risks.

From the tool's definition Tool name is 'move_firewall_rule' and description states it 'Move a firewall rule to a new position in the rule order'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

move_firewall_rule Rate-limited

move_firewall_rule 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": {
    "move_firewall_rule": {
      "limits": [
        {
          "counter": "move_firewall_rule_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about move_firewall_rule

What does the move_firewall_rule tool do? +

Move a firewall rule to a new position in the rule order. It is categorised as a Write tool in the pfSense Enhanced MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on move_firewall_rule? +

Register the pfSense Enhanced MCP Server MCP server in PolicyLayer and add a rule for move_firewall_rule: 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 Enhanced MCP Server. Nothing to install.

What risk level is move_firewall_rule? +

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

Can I rate-limit move_firewall_rule? +

Yes. Add a rate_limit block to the move_firewall_rule 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 move_firewall_rule completely? +

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

move_firewall_rule is provided by the pfSense Enhanced MCP Server MCP server (mmaxwellcb/pfsesen_mcp_2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.