AI agents call list_interface_addresses to retrieve information from Fortimanager without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to fetch or enumerate interface addresses from FortiManager devices. Reading configuration data poses minimal risk compared to modifications or deletions. The absence of a description lowers confidence slightly, but the naming convention and sibling tools (which include write operations like 'add_interface_to_zone') support classifying this as a Read operation.
From the tool's definition Tool name 'list_interface_addresses' indicates a query operation that retrieves interface address information.
Documented attack patterns abuse exactly the kind of access list_interface_addresses gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Fortimanager, and nothing reaches the server without passing your rules. This is the rule we recommend for list_interface_addresses:
{
"version": "1",
"default": "deny",
"tools": {
"list_interface_addresses": {}
}
}list_interface_addresses is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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list_interface_addresses. It is categorised as a Read tool in the Fortimanager MCP Server, which means it retrieves data without modifying state.
Register the Fortimanager MCP server in PolicyLayer and add a rule for list_interface_addresses: 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 Fortimanager. Nothing to install.
list_interface_addresses 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 list_interface_addresses 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 list_interface_addresses. 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.
list_interface_addresses is provided by the Fortimanager MCP server (jmpijll/fortimanager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Fortimanager, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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584 Fortimanager tools catalogued and risk-classified — across an index of 43,000+ MCP servers.