update_network_acl · CloudStack MCP Server MCP

WHAT IT DOES

What update_network_acl does on CloudStack MCP Server

AI agents use update_network_acl 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_network_acl needs a policy

This tool modifies network access control rules, which are security-critical infrastructure settings. While the change is reversible (hence Write rather than Destructive), misconfiguration could expose or restrict access to systems, leading to significant operational impact. High severity reflects that improper ACL updates could compromise network security posture or cause service disruption.

From the tool's definition Tool name is 'update_network_acl' and description states it 'Update network ACL rule'. The verb 'update' indicates modification of existing access control list rules.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_network_acl Rate-limited

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

FAQ

Questions about update_network_acl

What does the update_network_acl tool do? +

Update network ACL 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_network_acl? +

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

What risk level is update_network_acl? +

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

Can I rate-limit update_network_acl? +

Yes. Add a rate_limit block to the update_network_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 update_network_acl completely? +

Set action: deny in the PolicyLayer policy for update_network_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 update_network_acl? +

update_network_acl 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.