Delete firewall rule
AI agents call delete_firewall_rule to permanently remove resources in CloudStack MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Deleting firewall rules is a destructive operation that permanently removes network security controls. This cannot be undone and could result in significant security posture degradation or unintended exposure of infrastructure. While the server indicates a 'safety confirmation system for destructive operations', the tool itself performs an irreversible action, placing it in the Destructive category.
From the tool's definition Tool name 'delete_firewall_rule' explicitly uses 'delete' verb, and description states 'Delete firewall rule'. This is an irreversible deletion operation.
Attacks that exploit this kind of access
Delete firewall rule. It is categorised as a Destructive tool in the CloudStack MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the CloudStack MCP Server MCP server in PolicyLayer and add a rule for delete_firewall_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.
delete_firewall_rule is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the delete_firewall_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.
Set action: deny in the PolicyLayer policy for delete_firewall_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.
delete_firewall_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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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