getDnsCacheDataList

THE RISK

Low Risk

Why getDnsCacheDataList needs a policy

This tool retrieves DNS cache data for informational purposes only. There are no side effects, no data modification, no command execution, and no destructive operations. It is a straightforward read/query operation on cached DNS information.

From the tool's definition Tool name 'getDnsCacheDataList' and description 'Get the DNS cache data list for the site' indicate a retrieval operation with no modification or execution of commands.

Documented attack patterns abuse exactly the kind of access getDnsCacheDataList gives an agent:

POLICY

How to control getDnsCacheDataList

PolicyLayer is an MCP gateway — it sits between your AI agents and Tplink Omada, and nothing reaches the server without passing your rules. This is the rule we recommend for getDnsCacheDataList:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "getDnsCacheDataList": {}
  }
}

getDnsCacheDataList is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Tplink Omada — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about getDnsCacheDataList

What does the getDnsCacheDataList tool do? +

Get the DNS cache data list for the site. It is categorised as a Read tool in the Tplink Omada MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on getDnsCacheDataList? +

Register the Tplink Omada MCP server in PolicyLayer and add a rule for getDnsCacheDataList: 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 Tplink Omada. Nothing to install.

What risk level is getDnsCacheDataList? +

getDnsCacheDataList is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit getDnsCacheDataList? +

Yes. Add a rate_limit block to the getDnsCacheDataList 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.

How do I block getDnsCacheDataList completely? +

Set action: deny in the PolicyLayer policy for getDnsCacheDataList. 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.

What MCP server provides getDnsCacheDataList? +

getDnsCacheDataList is provided by the Tplink Omada MCP server (migueltvms/tplink-omada-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Tplink Omada tool call.

Start from Tplink Omada, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →