# VPS_activateFirewallV1

Activate a firewall for a specified virtual machine. Only one firewall can be active for a virtual machine at a time. Use this endpoint to apply firewall rules to VPS instances.

Agent View of the PolicyLayer registry record for `VPS_activateFirewallV1`. HTML page: https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/vps-activatefirewallv1

## Facts

- Tool: `VPS_activateFirewallV1`
- Server: Hostinger Api (`hostinger-api-mcp`) — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp.md
- Install: `npx -y hostinger-api-mcp`
- Homepage: https://github.com/hostinger/api-mcp-server
- Risk category: Execute (High risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 2 (2 required)
- Recommended policy verdict: Rate-limited

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `firewallId` | integer | yes | Firewall ID |
| `virtualMachineId` | integer | yes | Virtual Machine ID |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "VPS_activateFirewallV1",
    "arguments": {
      "firewallId": 0,
      "virtualMachineId": 0
    }
  }
}
```

## Why VPS_activateFirewallV1 is rated High

Activating a firewall changes the network security configuration of a VPS instance, triggering an external operation that affects traffic filtering rules. This is an Execute action with high severity because misconfiguration could block legitimate traffic or expose the server to threats.

From the tool's own definition: "Activate a firewall for a specified virtual machine... apply firewall rules to VPS instances"

## Use case

AI agents invoke VPS_activateFirewallV1 to trigger actions in Hostinger Api. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Hostinger Api:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "VPS_activateFirewallV1": {
      "limits": [
        {
          "counter": "vps_activatefirewallv1_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Hostinger Api (257)

- `agency-hosting_clearAgencyPlanWebsiteCacheV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-clearagencyplanwebsitecachev1.md
- `agency-hosting_deleteAgencyPlanWebsiteCronJobV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-deleteagencyplanwebsitecronjobv1.md
- `agency-hosting_deleteAgencyPlanWebsiteDatabaseUserV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-deleteagencyplanwebsitedatabaseuserv1.md
- `agency-hosting_deleteAgencyPlanWebsiteDatabaseV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-deleteagencyplanwebsitedatabasev1.md
- `agency-hosting_deleteAgencyPlanWebsiteV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agency-hosting-deleteagencyplanwebsitev1.md
- `agencyHosting_deployNodeStaticWebsite` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agencyhosting-deploynodestaticwebsite.md
- `agencyHosting_deployPhpApplication` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/agencyhosting-deployphpapplication.md
- `billing_deletePaymentMethodV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/billing-deletepaymentmethodv1.md
- `DNS_deleteDNSRecordsV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/dns-deletednsrecordsv1.md
- `DNS_resetDNSRecordsV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/dns-resetdnsrecordsv1.md
- `domains_deleteDomainForwardingV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/domains-deletedomainforwardingv1.md
- `domains_deleteWHOISProfileV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/domains-deletewhoisprofilev1.md
- `ecommerce_deleteStoreV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/ecommerce-deletestorev1.md
- `hosting_clearWebsiteCacheV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-clearwebsitecachev1.md
- `hosting_deleteAccountCronJobV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deleteaccountcronjobv1.md
- `hosting_deleteAccountDatabaseRemoteConnectionV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deleteaccountdatabaseremoteconnectionv1.md
- `hosting_deleteAccountDatabaseV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deleteaccountdatabasev1.md
- `hosting_deleteWebsiteParkedDomainV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deletewebsiteparkeddomainv1.md
- `hosting_deleteWebsiteSubdomainV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deletewebsitesubdomainv1.md
- `hosting_deleteWebsiteV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deletewebsitev1.md
- `hosting_deleteWordPressInstallationV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-deletewordpressinstallationv1.md
- `hosting_uninstallWordPressPluginsV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-uninstallwordpresspluginsv1.md
- `hosting_uninstallWordPressThemesV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/hosting-uninstallwordpressthemesv1.md
- `mail_deleteMailboxV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/mail-deletemailboxv1.md
- `mail_deleteWebhookV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/mail-deletewebhookv1.md
- `mail_revokeAPITokenV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/mail-revokeapitokenv1.md
- `reach_deleteAContactV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/reach-deleteacontactv1.md
- `VPS_deleteFirewallRuleV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/vps-deletefirewallrulev1.md
- `VPS_deleteFirewallV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/vps-deletefirewallv1.md
- `VPS_deletePostInstallScriptV1` — Destructive — https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp/vps-deletepostinstallscriptv1.md
- …and 227 more: https://policylayer.com/tools/io-github-hostinger-hostinger-api-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-hostinger-hostinger-api-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-hostinger-hostinger-api-mcp