pfsense_delete_firewall_aliases

A destructive tool on the Pfsense MCP server.

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-firewall-aliases.md

WHAT IT DOES

What pfsense_delete_firewall_aliases does on Pfsense

AI agents call pfsense_delete_firewall_aliases 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_firewall_aliases is rated Critical

Deletion of firewall aliases is irreversible and cannot be undone. Firewall aliases are critical infrastructure components used in rule definitions and network policies. An AI agent misusing this tool could delete aliases that are in active use, breaking firewall rules and causing network outages or security policy failures.

From the tool's definition Tool name 'pfsense_delete_firewall_aliases' explicitly indicates deletion of firewall aliases. The 'delete' verb combined with firewall configuration scope indicates irreversible removal of data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pfsense_delete_firewall_aliases 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_firewall_aliases, this is the rule to start with:

pfsense_delete_firewall_aliases Hidden

pfsense_delete_firewall_aliases 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_firewall_aliases"
  ]
}

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_firewall_aliases call is checked against it from then on.

FAQ

Questions about pfsense_delete_firewall_aliases

What does the pfsense_delete_firewall_aliases tool do? +

pfsense_delete_firewall_aliases is a destructive tool on the Pfsense MCP server. 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_firewall_aliases? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_delete_firewall_aliases: 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_firewall_aliases? +

pfsense_delete_firewall_aliases 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_firewall_aliases? +

Yes. Add a rate_limit block to the pfsense_delete_firewall_aliases 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_firewall_aliases completely? +

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

pfsense_delete_firewall_aliases 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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