pfsense_delete_services_dns_resolver_host_override_alias
AI agents call pfsense_delete_services_dns_resolver_host_override_alias to permanently remove resources in Pfsense — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool performs an irreversible deletion of DNS resolver host override alias entries on a pfSense firewall. This is a destructive operation that cannot be undone without manual reconfiguration. While the blast radius is somewhat contained (affects DNS overrides rather than network-wide rules), the irreversible nature and lack of a restore mechanism places it in the Destructive category.
From the tool's definition Tool name includes 'delete' and targets 'host_override_alias' configuration in DNS resolver services. The 'delete' operation on firewall DNS configuration is irreversible.
Attacks that exploit this kind of access
pfsense_delete_services_dns_resolver_host_override_alias. It is categorised as a Destructive tool in the Pfsense MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_delete_services_dns_resolver_host_override_alias: 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 Pfsense. Nothing to install.
pfsense_delete_services_dns_resolver_host_override_alias 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 pfsense_delete_services_dns_resolver_host_override_alias 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 pfsense_delete_services_dns_resolver_host_override_alias. 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.
pfsense_delete_services_dns_resolver_host_override_alias is provided by the Pfsense MCP server (abl030/pfsense-mcp). 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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