This record as markdown: /tools/abl030-pfsense-mcp/pfsense-get-diagnostics-table.md
What pfsense_get_diagnostics_table does on Pfsense
AI agents call pfsense_get_diagnostics_table 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_get_diagnostics_table is rated Low
This tool retrieves diagnostic table data from the pfSense firewall. While the server as a whole provides powerful control capabilities, this specific tool performs a read-only query operation. The GET method and 'diagnostics/table' endpoint indicate data retrieval for inspection purposes.
From the tool's definition Tool name contains 'get_diagnostics' and description shows GET HTTP method to /api/v2/diagnostics/table endpoint. GET operations retrieve data without modification.
Attacks that exploit this kind of access
The rule that runs pfsense_get_diagnostics_table 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_get_diagnostics_table, this is the rule to start with:
pfsense_get_diagnostics_table 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_get_diagnostics_table call is checked against it from then on.
Questions about pfsense_get_diagnostics_table
GET /api/v2/diagnostics/table. 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_get_diagnostics_table: 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_get_diagnostics_table 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_get_diagnostics_table 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_get_diagnostics_table. 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_get_diagnostics_table 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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