dns_temp_disable_blocking

THE RISK

Medium Risk

Why dns_temp_disable_blocking needs a policy

This tool modifies DNS blocking settings but does so reversibly: the change is temporary, automatically expires, and can be undone by re-enabling manually. This is characteristic of Write operations (create/modify data reversibly) rather than Execute or Destructive.

From the tool's definition Tool name 'dns_temp_disable_blocking' and description state it 'Temporarily disable domain blocking' — a reversible modification of DNS blocking configuration that automatically reverts after expiration.

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

POLICY

How to control dns_temp_disable_blocking

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "dns_temp_disable_blocking": {
      "limits": [
        {
          "counter": "dns_temp_disable_blocking_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

dns_temp_disable_blocking stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

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

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EXPLORE

Related tools and policies

More Technitium MCP Secure tools

Destructive dns_delete_cached Delete a specific domain from the DNS cache. Unlike flush, this only removes the specified Destructive dns_delete_record Delete a specific DNS record from a zone. Requires confirm=true to execute. Destructive dns_delete_zone Delete a DNS zone and all its records. Requires confirm=true to execute. Destructive dns_remove_allowed Remove a domain from the allow list. The domain will no longer bypass block lists. Destructive dns_uninstall_app Uninstall a DNS app from the server. Requires confirm=true to execute. Destructive dns_flush_allowed Flush the entire allow list. All allowed domains will be removed. Requires confirm=true to Destructive dns_flush_blocked Flush the entire custom block list. All manually blocked domains will be removed. Requires Execute dns_flush_cache Flush the entire DNS cache. Forces all subsequent queries to be resolved fresh from upstre

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about dns_temp_disable_blocking

What does the dns_temp_disable_blocking tool do? +

Temporarily disable domain blocking for a specified number of minutes. Blocking re-enables automatically after the timer expires. It is categorised as a Write tool in the Technitium MCP Secure MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on dns_temp_disable_blocking? +

Register the Technitium MCP Secure MCP server in PolicyLayer and add a rule for dns_temp_disable_blocking: 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 Technitium MCP Secure. Nothing to install.

What risk level is dns_temp_disable_blocking? +

dns_temp_disable_blocking is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit dns_temp_disable_blocking? +

Yes. Add a rate_limit block to the dns_temp_disable_blocking 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 dns_temp_disable_blocking completely? +

Set action: deny in the PolicyLayer policy for dns_temp_disable_blocking. 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 dns_temp_disable_blocking? +

dns_temp_disable_blocking is provided by the Technitium MCP Secure MCP server (rosschurchill/technitium-mcp-secure). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Technitium MCP Secure tool call.

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

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