UpdateProxy · Veeam VBR v13 MCP Server MCP: Risk & Policy

WHAT IT DOES

What UpdateProxy does on Veeam VBR v13 MCP Server

AI agents use UpdateProxy to create or update resources in Veeam VBR v13 MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Veeam VBR v13 MCP Server environment.

WHY IT NEEDS A POLICY

Why UpdateProxy needs a policy

This tool modifies backup proxy settings reversibly through an edit operation. While not destructive (changes can be reverted), it represents a Write action that could impact backup infrastructure performance and behavior. Classified as Write rather than Execute because it targets configuration state rather than triggering operational commands.

From the tool's definition Tool name 'UpdateProxy' and description 'Edit a backup proxy configuration' directly indicate modification of existing configuration data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

UpdateProxy Rate-limited

UpdateProxy 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.

View as policy code

policy.json

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

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Veeam VBR v13 MCP Server, so you can run agents against it safely.

FAQ

Questions about UpdateProxy

What does the UpdateProxy tool do? +

Edit a backup proxy configuration. It is categorised as a Write tool in the Veeam VBR v13 MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on UpdateProxy? +

Register the Veeam VBR v13 MCP Server MCP server in PolicyLayer and add a rule for UpdateProxy: 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 Veeam VBR v13 MCP Server. Nothing to install.

What risk level is UpdateProxy? +

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

Can I rate-limit UpdateProxy? +

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

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

UpdateProxy is provided by the Veeam VBR v13 MCP Server MCP server (kid-boy/veeam-mcp-13). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.