update_port_forwarding_rule · CloudStack MCP Server MCP

WHAT IT DOES

What update_port_forwarding_rule does on CloudStack MCP Server

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

WHY IT NEEDS A POLICY

Why update_port_forwarding_rule needs a policy

This tool modifies network infrastructure configuration (port forwarding rules) which affects how traffic is routed in the CloudStack environment. While reversible (Write, not Destructive), the severity is high because misconfiguration could disrupt network connectivity, expose services, or redirect traffic maliciously.

From the tool's definition Tool name 'update_port_forwarding_rule' and description 'Update port forwarding rule' indicate modification of network configuration. The 'update' verb confirms this is a write operation that modifies existing network routing rules.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_port_forwarding_rule Rate-limited

update_port_forwarding_rule 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": {
    "update_port_forwarding_rule": {
      "limits": [
        {
          "counter": "update_port_forwarding_rule_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 CloudStack MCP Server, so you can run agents against it safely.

FAQ

Questions about update_port_forwarding_rule

What does the update_port_forwarding_rule tool do? +

Update port forwarding rule. It is categorised as a Write tool in the CloudStack MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_port_forwarding_rule? +

Register the CloudStack MCP Server MCP server in PolicyLayer and add a rule for update_port_forwarding_rule: 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 CloudStack MCP Server. Nothing to install.

What risk level is update_port_forwarding_rule? +

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

Can I rate-limit update_port_forwarding_rule? +

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

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

update_port_forwarding_rule is provided by the CloudStack MCP Server MCP server (mozg31337/cloudstack-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.