pfsense_list_status_openvpn_clients
A read tool on the Pfsense MCP server.
This record as markdown: /tools/abl030-pfsense-mcp/pfsense-list-status-openvpn-clients.md
What pfsense_list_status_openvpn_clients does on Pfsense
AI agents call pfsense_list_status_openvpn_clients to retrieve information from Pfsense without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why pfsense_list_status_openvpn_clients is rated Low
This tool retrieves OpenVPN client status information without modifying system state. While classified as Read, severity is elevated to medium because OpenVPN configuration and client details could expose network topology, VPN user information, and connection states—sensitive data in a firewall context that could inform further attacks on the network infrastructure.
From the tool's definition Tool name contains 'list_status' which indicates a read/query operation. The 'openvpn_clients' context suggests it retrieves VPN client status information from pfSense.
Attacks that exploit this kind of access
The rule that runs pfsense_list_status_openvpn_clients safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Pfsense, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pfsense_list_status_openvpn_clients, this is the rule to start with:
pfsense_list_status_openvpn_clients is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Pfsense, apply this rule, and every pfsense_list_status_openvpn_clients call is checked against it from then on.
Questions about pfsense_list_status_openvpn_clients
pfsense_list_status_openvpn_clients is a read tool on the Pfsense MCP server. It is categorised as a Read tool in the Pfsense MCP Server, which means it retrieves data without modifying state.
Register the Pfsense MCP server in PolicyLayer and add a rule for pfsense_list_status_openvpn_clients: 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_list_status_openvpn_clients is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the pfsense_list_status_openvpn_clients 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_list_status_openvpn_clients. 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_list_status_openvpn_clients 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.
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