pfsense_list_services_acme_certificates

A read tool on the Pfsense MCP server.

SERVERPfsense SOURCEabl030/pfsense-mcp

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/abl030-pfsense-mcp/pfsense-list-services-acme-certificates.md

WHAT IT DOES

What pfsense_list_services_acme_certificates does on Pfsense

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

RISK

Why pfsense_list_services_acme_certificates is rated Low

This tool lists/retrieves ACME certificate data from the pfSense firewall, which is a read-only operation with no side effects. However, ACME certificates may contain sensitive information relevant to firewall security and identity, elevating severity from 'low' to 'medium'.

From the tool's definition Tool name contains 'list' which retrieves data without modification. Description is empty, preventing more precise assessment. The tool queries ACME certificates from pfSense services.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pfsense_list_services_acme_certificates 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_list_services_acme_certificates, this is the rule to start with:

pfsense_list_services_acme_certificates Allowed

pfsense_list_services_acme_certificates 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": {
    "pfsense_list_services_acme_certificates": {}
  }
}

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

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

FAQ

Questions about pfsense_list_services_acme_certificates

What does the pfsense_list_services_acme_certificates tool do? +

pfsense_list_services_acme_certificates is a read tool on the Pfsense MCP server. It is categorised as a Read tool in the Pfsense MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on pfsense_list_services_acme_certificates? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_list_services_acme_certificates: 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_list_services_acme_certificates? +

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

Can I rate-limit pfsense_list_services_acme_certificates? +

Yes. Add a rate_limit block to the pfsense_list_services_acme_certificates 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_list_services_acme_certificates completely? +

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

pfsense_list_services_acme_certificates 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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