This record as markdown: /tools/ikuai-mcp-server/list-dhcp-blackwhite-list.md
What list_dhcp_blackwhite_list does on Ikuai
AI agents call list_dhcp_blackwhite_list to retrieve information from Ikuai without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_dhcp_blackwhite_list is rated Low
This tool queries and retrieves DHCP blacklist/whitelist configuration data from the iKuai router. It performs a read-only operation to display existing rules without creating, modifying, or deleting any data. The blast radius is minimal as listing configuration poses no direct security risk to the router or network.
From the tool's definition Tool name contains 'list' and description states '列出 DHCP 黑白名单' (list DHCP blackwhite list) — a retrieval operation with no side effects
Attacks that exploit this kind of access
The rule that runs list_dhcp_blackwhite_list safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ikuai, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_dhcp_blackwhite_list, this is the rule to start with:
list_dhcp_blackwhite_list 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 Ikuai, apply this rule, and every list_dhcp_blackwhite_list call is checked against it from then on.
Questions about list_dhcp_blackwhite_list
列出 DHCP 黑白名单. It is categorised as a Read tool in the Ikuai MCP Server, which means it retrieves data without modifying state.
Register the Ikuai MCP server in PolicyLayer and add a rule for list_dhcp_blackwhite_list: 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 Ikuai. Nothing to install.
list_dhcp_blackwhite_list 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_dhcp_blackwhite_list 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_dhcp_blackwhite_list. 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_dhcp_blackwhite_list is provided by the Ikuai MCP server (gxxHuang/ikuai-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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