sm_firewall_operations · Systems Manager MCP: Risk & Policy

WHAT IT DOES

What sm_firewall_operations does on Systems Manager

AI agents invoke sm_firewall_operations to trigger actions in Systems Manager. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why sm_firewall_operations needs a policy

Firewall management operations can include reading current rules (Read), adding/modifying rules (Write/Execute), or deleting rules (Destructive). Since the description is vague and spans multiple severity levels, the most severe plausible action is selected.

From the tool's definition 'Operations for firewall management' - modifying firewall rules controls network access and security boundaries

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sm_firewall_operations Rate-limited

sm_firewall_operations stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sm_firewall_operations": {
      "limits": [
        {
          "counter": "sm_firewall_operations_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about sm_firewall_operations

What does the sm_firewall_operations tool do? +

Operations for firewall management. It is categorised as a Execute tool in the Systems Manager MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on sm_firewall_operations? +

Register the Systems Manager MCP server in PolicyLayer and add a rule for sm_firewall_operations: 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 Systems Manager. Nothing to install.

What risk level is sm_firewall_operations? +

sm_firewall_operations is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit sm_firewall_operations? +

Yes. Add a rate_limit block to the sm_firewall_operations 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 sm_firewall_operations completely? +

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

sm_firewall_operations is provided by the Systems Manager MCP server (knuckles-team/systems-manager). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.