plesk_fail2ban_unban_ip · Plesk MCP Server MCP

WHAT IT DOES

What plesk_fail2ban_unban_ip does on Plesk MCP Server

AI agents use plesk_fail2ban_unban_ip to create or update resources in Plesk MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Plesk MCP Server environment.

WHY IT NEEDS A POLICY

Why plesk_fail2ban_unban_ip needs a policy

This tool modifies Fail2Ban's ban list by removing an IP, which is a reversible write operation (the IP can be re-banned). However, the blast radius is high because unblocking a malicious IP could re-expose the server to brute-force attacks, intrusion attempts, or other threats that Fail2Ban had blocked. An AI agent misusing this tool could inadvertently restore access to attackers.

From the tool's definition Remove a specific IP address from the Fail2Ban ban list

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

plesk_fail2ban_unban_ip Rate-limited

plesk_fail2ban_unban_ip 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": {
    "plesk_fail2ban_unban_ip": {
      "limits": [
        {
          "counter": "plesk_fail2ban_unban_ip_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Plesk MCP Server, so you can run agents against it safely.

FAQ

Questions about plesk_fail2ban_unban_ip

What does the plesk_fail2ban_unban_ip tool do? +

Remove a specific IP address from the Fail2Ban ban list. It is categorised as a Write tool in the Plesk 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 plesk_fail2ban_unban_ip? +

Register the Plesk MCP Server MCP server in PolicyLayer and add a rule for plesk_fail2ban_unban_ip: 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 Plesk MCP Server. Nothing to install.

What risk level is plesk_fail2ban_unban_ip? +

plesk_fail2ban_unban_ip is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit plesk_fail2ban_unban_ip? +

Yes. Add a rate_limit block to the plesk_fail2ban_unban_ip 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 plesk_fail2ban_unban_ip completely? +

Set action: deny in the PolicyLayer policy for plesk_fail2ban_unban_ip. 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 plesk_fail2ban_unban_ip? +

plesk_fail2ban_unban_ip is provided by the Plesk MCP Server MCP server (klan1/plesk-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.