Reset Firegex's nftables state.
AI agents call reset_firegex to permanently remove resources in Firegex — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool wipes the firewall's runtime state. Even if rules can be re-added, active connections are terminated and the system briefly enters an unprotected state. This is a destructive action: irreversible without external intervention. Severity is high because a reset of a CTF firewall disrupts all security policies and could expose the system or allow malicious traffic.
From the tool's definition 'Reset Firegex's nftables state' — reset operations on firewall state are irreversible and destructive. nftables is a stateful firewall framework; resetting it clears all active rules, connections, and configurations, which cannot be undone without manual…
Attacks that exploit this kind of access
Reset Firegex's nftables state. It is categorised as a Destructive tool in the Firegex MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Firegex MCP server in PolicyLayer and add a rule for reset_firegex: 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 Firegex. Nothing to install.
reset_firegex 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 reset_firegex 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 reset_firegex. 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.
reset_firegex is provided by the Firegex MCP server (umbra2728/firegex-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
reset_firegex is one line of Firegex's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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