revoke_security_group_egress
Remove egress rule from security group
This record as markdown: /tools/mozg31337-cloudstack-mcp-server/revoke-security-group-egress.md
What revoke_security_group_egress does on CloudStack MCP Server
AI agents call revoke_security_group_egress 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.
Why revoke_security_group_egress is rated Critical
Removing a security group egress rule is an irreversible network security change that immediately affects traffic controls for all resources in that group. This cannot be undone without re-creating the rule, and misuse could expose or block critical network traffic, making it destructive with high severity.
From the tool's definition 'Remove egress rule from security group' — permanently removes a firewall/security rule
Attacks that exploit this kind of access
The rule that runs revoke_security_group_egress safely
PolicyLayer is an MCP gateway: it sits between your AI agents and CloudStack MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For revoke_security_group_egress, this is the rule to start with:
revoke_security_group_egress is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect CloudStack MCP Server, apply this rule, and every revoke_security_group_egress call is checked against it from then on.
Questions about revoke_security_group_egress
Remove egress rule from security group. 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 revoke_security_group_egress: 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.
revoke_security_group_egress 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 revoke_security_group_egress 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 revoke_security_group_egress. 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.
revoke_security_group_egress 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.
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