update_address_group

A write tool on the FortiManager MCP server.

SERVERFortiManager MCP Server SOURCErstierli/fortimanager-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/rstierli-fortimanager-mcp/update-address-group.md

WHAT IT DOES

What update_address_group does on FortiManager MCP Server

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

RISK

Why update_address_group is rated Medium

The tool updates firewall address group objects, which is a reversible modification of network security configurations. This is a Write operation rather than Execute because it modifies policy data directly rather than triggering code execution. Severity is high because misconfigured address groups can affect network security posture and traffic filtering rules across managed devices.

From the tool's definition Tool name 'update_address_group' and server context (FortiManager for firewall policy management and network configuration) indicate modification of address group configurations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_address_group safely

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

update_address_group Rate-limited

update_address_group 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": {
    "update_address_group": {
      "limits": [
        {
          "counter": "update_address_group_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 FortiManager MCP Server, apply this rule, and every update_address_group call is checked against it from then on.

FAQ

Questions about update_address_group

What does the update_address_group tool do? +

update_address_group is a write tool on the FortiManager MCP Server MCP server. It is categorised as a Write tool in the FortiManager 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 update_address_group? +

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

What risk level is update_address_group? +

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

Can I rate-limit update_address_group? +

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

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

update_address_group is provided by the FortiManager MCP Server MCP server (rstierli/fortimanager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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