pfsense_update_services_haproxy_backend_acl

WHAT IT DOES

What pfsense_update_services_haproxy_backend_acl does on Pfsense

AI agents use pfsense_update_services_haproxy_backend_acl 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.

WHY IT NEEDS A POLICY

Why pfsense_update_services_haproxy_backend_acl needs a policy

The tool name implies updating HAProxy backend ACL (Access Control List) settings on a pfSense firewall. This is a Write operation as it modifies network/load balancer configuration. The severity is high because misconfiguring HAProxy ACLs could disrupt load balancing, expose services, or block legitimate traffic. Confidence is low because the description is empty, so classification is based solely on the tool name.

From the tool's definition Tool name contains 'update' suggesting modification of HAProxy backend ACL configuration in pfSense

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pfsense_update_services_haproxy_backend_acl Rate-limited

pfsense_update_services_haproxy_backend_acl 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_update_services_haproxy_backend_acl": {
      "limits": [
        {
          "counter": "pfsense_update_services_haproxy_backend_acl_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Pfsense, so you can run agents against it safely.

FAQ

Questions about pfsense_update_services_haproxy_backend_acl

What does the pfsense_update_services_haproxy_backend_acl tool do? +

pfsense_update_services_haproxy_backend_acl. 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_update_services_haproxy_backend_acl? +

Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_update_services_haproxy_backend_acl: 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_update_services_haproxy_backend_acl? +

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

Can I rate-limit pfsense_update_services_haproxy_backend_acl? +

Yes. Add a rate_limit block to the pfsense_update_services_haproxy_backend_acl 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_update_services_haproxy_backend_acl completely? +

Set action: deny in the PolicyLayer policy for pfsense_update_services_haproxy_backend_acl. 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_update_services_haproxy_backend_acl? +

pfsense_update_services_haproxy_backend_acl 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.