iscsi_portal_create

Create an iSCSI portal

SERVERTruenas SOURCEspranab/truenas-mcp

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/spranab-truenas-mcp/iscsi-portal-create.md

WHAT IT DOES

What iscsi_portal_create does on Truenas

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

RISK

Why iscsi_portal_create is rated Medium

Creating an iSCSI portal modifies the storage infrastructure configuration by establishing a new network access point for block storage, making it available to clients. This is a reversible write operation that configures system resources. While not destructive (can be deleted later) or financial, it creates persistent infrastructure changes.

From the tool's definition Tool name 'iscsi_portal_create' explicitly indicates creation of an iSCSI portal, which is a network endpoint for iSCSI storage access. The description states it 'Create[s] an iSCSI portal'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs iscsi_portal_create safely

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

iscsi_portal_create Rate-limited

iscsi_portal_create 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": {
    "iscsi_portal_create": {
      "limits": [
        {
          "counter": "iscsi_portal_create_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 Truenas, apply this rule, and every iscsi_portal_create call is checked against it from then on.

FAQ

Questions about iscsi_portal_create

What does the iscsi_portal_create tool do? +

Create an iSCSI portal. It is categorised as a Write tool in the Truenas MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on iscsi_portal_create? +

Register the Truenas MCP server in PolicyLayer and add a rule for iscsi_portal_create: 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 Truenas. Nothing to install.

What risk level is iscsi_portal_create? +

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

Can I rate-limit iscsi_portal_create? +

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

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

iscsi_portal_create is provided by the Truenas MCP server (spranab/truenas-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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