This record as markdown: /tools/gethosthewalrus-proxmox-mcp/list-sdn-dns.md
What list_sdn_dns does on Proxmox MCP Server
AI agents call list_sdn_dns to retrieve information from Proxmox MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_sdn_dns is rated Low
This tool retrieves and enumerates SDN DNS plugin configurations without creating, modifying, deleting, or executing anything. It is a passive informational read operation with minimal security impact. Even if DNS plugin details are exposed, the blast radius is low as no changes or actions are triggered by the tool itself.
From the tool's definition Tool name 'list_sdn_dns' and description 'List SDN DNS plugins' indicate a query/retrieval operation with no modification or execution capabilities.
Attacks that exploit this kind of access
The rule that runs list_sdn_dns safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Proxmox MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_sdn_dns, this is the rule to start with:
list_sdn_dns 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 Proxmox MCP Server, apply this rule, and every list_sdn_dns call is checked against it from then on.
Questions about list_sdn_dns
List SDN DNS plugins. It is categorised as a Read tool in the Proxmox MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Proxmox MCP Server MCP server in PolicyLayer and add a rule for list_sdn_dns: 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 Proxmox MCP Server. Nothing to install.
list_sdn_dns 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_sdn_dns 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_sdn_dns. 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_sdn_dns is provided by the Proxmox MCP Server MCP server (gethosthewalrus/proxmox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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