pfsense_delete_system_certificate

DELETE /api/v2/system/certificate

SERVERPfsense SOURCEabl030/pfsense-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/abl030-pfsense-mcp/pfsense-delete-system-certificate.md

WHAT IT DOES

What pfsense_delete_system_certificate does on Pfsense

AI agents call pfsense_delete_system_certificate to permanently remove resources in Pfsense, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why pfsense_delete_system_certificate is rated Critical

Deleting system certificates is irreversible and will immediately break encrypted communications, VPN connectivity, and HTTPS services depending on those certificates. This is a destructive operation with severe blast radius—an AI agent misusing this could disable all secure communications on the firewall. While not directly financial, the impact is severe enough to warrant critical severity.

From the tool's definition Tool name contains 'delete' and description shows DELETE HTTP method on /api/v2/system/certificate endpoint. System certificates are critical security infrastructure for TLS/SSL operations, VPN endpoints, and HTTPS services.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pfsense_delete_system_certificate 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_delete_system_certificate, this is the rule to start with:

pfsense_delete_system_certificate Hidden

pfsense_delete_system_certificate is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "pfsense_delete_system_certificate"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about pfsense_delete_system_certificate

What does the pfsense_delete_system_certificate tool do? +

DELETE /api/v2/system/certificate. It is categorised as a Destructive tool in the Pfsense MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on pfsense_delete_system_certificate? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_delete_system_certificate: 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_delete_system_certificate? +

pfsense_delete_system_certificate is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit pfsense_delete_system_certificate? +

Yes. Add a rate_limit block to the pfsense_delete_system_certificate 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_delete_system_certificate completely? +

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

pfsense_delete_system_certificate 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.

KEEP EXPLORING

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Guides

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