pfsense_delete_services_haproxy_settings_dns_resolvers
AI agents call pfsense_delete_services_haproxy_settings_dns_resolvers 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 'delete' prefix in the tool name indicates irreversible removal of configuration. This operates on HAProxy DNS resolver settings in a pfSense firewall context. Deleting DNS resolver configurations cannot be undone without reconfiguration and will cause service disruption. This falls under Destructive rather than Execute because it specifically performs deletion.
From the tool's definition Tool name contains 'delete' applied to 'services_haproxy_settings_dns_resolvers'. The server description indicates this is a pfSense firewall control server with 677 tools covering critical infrastructure.
Attacks that exploit this kind of access
pfsense_delete_services_haproxy_settings_dns_resolvers. 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_haproxy_settings_dns_resolvers: 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_haproxy_settings_dns_resolvers 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_haproxy_settings_dns_resolvers 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_haproxy_settings_dns_resolvers. 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_haproxy_settings_dns_resolvers 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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