share_ipv4_addresses

Configure IPv4 address sharing

SERVERLinode MCP Server SOURCEtakashito/linode-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/takashito-linode-mcp-server/share-ipv4-addresses.md

WHAT IT DOES

What share_ipv4_addresses does on Linode MCP Server

AI agents use share_ipv4_addresses to create or update resources in Linode MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Linode MCP Server environment.

RISK

Why share_ipv4_addresses is rated Medium

This tool modifies network configuration by sharing IPv4 addresses between resources. This is a Write operation because it creates or modifies resource relationships reversibly (address sharing can be reconfigured or reverted).

From the tool's definition Tool name: 'share_ipv4_addresses'; Description: 'Configure IPv4 address sharing'. The verb 'Configure' indicates modification of network settings.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs share_ipv4_addresses safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Linode MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For share_ipv4_addresses, this is the rule to start with:

share_ipv4_addresses Rate-limited

share_ipv4_addresses 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": {
    "share_ipv4_addresses": {
      "limits": [
        {
          "counter": "share_ipv4_addresses_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Linode MCP Server, apply this rule, and every share_ipv4_addresses call is checked against it from then on.

FAQ

Questions about share_ipv4_addresses

What does the share_ipv4_addresses tool do? +

Configure IPv4 address sharing. It is categorised as a Write tool in the Linode 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 share_ipv4_addresses? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for share_ipv4_addresses: 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 Linode MCP Server. Nothing to install.

What risk level is share_ipv4_addresses? +

share_ipv4_addresses is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit share_ipv4_addresses? +

Yes. Add a rate_limit block to the share_ipv4_addresses 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 share_ipv4_addresses completely? +

Set action: deny in the PolicyLayer policy for share_ipv4_addresses. 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 share_ipv4_addresses? +

share_ipv4_addresses is provided by the Linode MCP Server MCP server (takashito/linode-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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