pfsense_create_services_dns_resolver_host_override

A write tool on the Pfsense MCP server.

SERVERPfsense SOURCEabl030/pfsense-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/abl030-pfsense-mcp/pfsense-create-services-dns-resolver-host-override.md

WHAT IT DOES

What pfsense_create_services_dns_resolver_host_override does on Pfsense

AI agents use pfsense_create_services_dns_resolver_host_override to create or update resources in Pfsense, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pfsense environment.

RISK

Why pfsense_create_services_dns_resolver_host_override is rated Medium

This tool creates DNS resolver host overrides, which modifies firewall DNS configuration reversibly. It's a Write operation (not Read, since it creates data; not Destructive, since overrides can be removed; not Execute, since it doesn't run arbitrary code; not Financial).

From the tool's definition Tool name indicates 'create' operation on DNS resolver host overrides; sibling tools show this server provides full control over pfSense firewall via REST API v2 with 677 tools covering firewall rules, NAT, VPN, services, routing, and more.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pfsense_create_services_dns_resolver_host_override 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_create_services_dns_resolver_host_override, this is the rule to start with:

pfsense_create_services_dns_resolver_host_override Rate-limited

pfsense_create_services_dns_resolver_host_override 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": {
    "pfsense_create_services_dns_resolver_host_override": {
      "limits": [
        {
          "counter": "pfsense_create_services_dns_resolver_host_override_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about pfsense_create_services_dns_resolver_host_override

What does the pfsense_create_services_dns_resolver_host_override tool do? +

pfsense_create_services_dns_resolver_host_override is a write tool on the Pfsense MCP server. It is categorised as a Write tool in the Pfsense MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pfsense_create_services_dns_resolver_host_override? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_create_services_dns_resolver_host_override: 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_create_services_dns_resolver_host_override? +

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

Can I rate-limit pfsense_create_services_dns_resolver_host_override? +

Yes. Add a rate_limit block to the pfsense_create_services_dns_resolver_host_override 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_create_services_dns_resolver_host_override completely? +

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

pfsense_create_services_dns_resolver_host_override 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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