VPS_createFirewallRuleV1

SERVERHostinger Api SOURCEhostinger-api-mcp

Medium RISK CLASS

Category Write

Parameters 55 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-hostinger-hostinger-api-mcp/vps-createfirewallrulev1.md

WHAT IT DOES

What VPS_createFirewallRuleV1 does on Hostinger Api

AI agents use VPS_createFirewallRuleV1 to create or update resources in Hostinger Api, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Hostinger Api environment.

Parameter	Type	Required	Description
`port`	string	Yes	Port or port range, ex: 1024:2048
`source`	string	Yes	source parameter
`protocol`	string	Yes	protocol parameter
`firewallId`	integer	Yes	Firewall ID
`source_detail`	string	Yes	IP range, CIDR, single IP or `any`

Parameters from the server's own tool schema.

RISK

Why VPS_createFirewallRuleV1 is rated Medium

This tool creates (writes) a new firewall rule, which is reversible but has significant security implications. Misconfigured firewall rules could expose services to the internet or block legitimate traffic, and it causes VMs to lose sync requiring manual intervention.

From the tool's definition Create new firewall rule for a specified firewall... Any virtual machine that has this firewall activated will lose sync with the firewall and will have to be synced again manually.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs VPS_createFirewallRuleV1 safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Hostinger Api, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For VPS_createFirewallRuleV1, this is the rule to start with:

VPS_createFirewallRuleV1 Rate-limited

VPS_createFirewallRuleV1 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": {
    "VPS_createFirewallRuleV1": {
      "limits": [
        {
          "counter": "vps_createfirewallrulev1_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 Hostinger Api, apply this rule, and every VPS_createFirewallRuleV1 call is checked against it from then on.

FAQ

Questions about VPS_createFirewallRuleV1

What does the VPS_createFirewallRuleV1 tool do? +

Create new firewall rule for a specified firewall. By default, the firewall drops all incoming traffic, which means you must add accept rules for all ports you want to use. Any virtual machine that has this firewall activated will lose sync with the firewall and will have to be synced again manually. Use this endpoint to add new security rules to firewalls. It is categorised as a Write tool in the Hostinger Api MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does VPS_createFirewallRuleV1 accept? +

VPS_createFirewallRuleV1 accepts 5 parameters: port, source, protocol, firewallId, source_detail. Required: port, source, protocol, firewallId, source_detail. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on VPS_createFirewallRuleV1? +

Register the Hostinger Api MCP server in PolicyLayer and add a rule for VPS_createFirewallRuleV1: 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 Hostinger Api. Nothing to install.

What risk level is VPS_createFirewallRuleV1? +

VPS_createFirewallRuleV1 is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit VPS_createFirewallRuleV1? +

Yes. Add a rate_limit block to the VPS_createFirewallRuleV1 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 VPS_createFirewallRuleV1 completely? +

Set action: deny in the PolicyLayer policy for VPS_createFirewallRuleV1. 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 VPS_createFirewallRuleV1? +

VPS_createFirewallRuleV1 is provided by the Hostinger Api MCP server (hostinger-api-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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