firewall_toggle_rule

Enable or disable a firewall rule

SERVEROPNsense MCP Server SOURCEfakebizprez/opnsense-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/fakebizprez-opnsense-mcp-server/firewall-toggle-rule.md

WHAT IT DOES

What firewall_toggle_rule does on OPNsense MCP Server

AI agents call firewall_toggle_rule to retrieve information from OPNsense MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why firewall_toggle_rule is rated Low

Even though firewall_toggle_rule only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs firewall_toggle_rule safely

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

firewall_toggle_rule Allowed

firewall_toggle_rule is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "firewall_toggle_rule": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about firewall_toggle_rule

What does the firewall_toggle_rule tool do? +

Enable or disable a firewall rule. It is categorised as a Read tool in the OPNsense MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on firewall_toggle_rule? +

Register the OPNsense MCP Server MCP server in PolicyLayer and add a rule for firewall_toggle_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 OPNsense MCP Server. Nothing to install.

What risk level is firewall_toggle_rule? +

firewall_toggle_rule is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit firewall_toggle_rule? +

Yes. Add a rate_limit block to the firewall_toggle_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 firewall_toggle_rule completely? +

Set action: deny in the PolicyLayer policy for firewall_toggle_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 firewall_toggle_rule? +

firewall_toggle_rule is provided by the OPNsense MCP Server MCP server (fakebizprez/opnsense-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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