# operate_fail2ban Operate Fail2ban (start/stop/restart) Agent View of the PolicyLayer registry record for `operate_fail2ban`. HTML page: https://policylayer.com/tools/eaveluo-1panel-mcp/operate-fail2ban ## Facts - Tool: `operate_fail2ban` - Server: 1Panel MCP Server (`eaveluo/1panel-mcp`) — https://policylayer.com/tools/eaveluo-1panel-mcp.md - Homepage: https://github.com/EaveLuo/1panel-mcp - Risk category: Execute (High risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Rate-limited ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "operate_fail2ban", "arguments": {} } } ``` ## Why operate_fail2ban is rated High This tool executes commands that control a critical security service (Fail2ban, which manages firewall rules and IP bans). While not destructive in the sense of deleting data, restarting or stopping Fail2ban can disable active security protections, affecting system security posture in ways that depend on the specific operation chosen. From the tool's own definition: "Tool name 'operate_fail2ban' and description 'Operate Fail2ban (start/stop/restart)' indicate the ability to start, stop, and restart the Fail2ban security service, which are external operations that trigger system-level processes whose effects depend on the…" ## Use case AI agents invoke operate_fail2ban to trigger actions in 1Panel MCP Server. 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 1Panel MCP Server: ```json { "version": "1", "default": "deny", "tools": { "operate_fail2ban": { "limits": [ { "counter": "operate_fail2ban_rate", "window": "minute", "max": 10, "scope": "grant" } ] } } } ``` ## Other tools on 1Panel MCP Server (285) - `clean_compose_log` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/clean-compose-log.md - `clean_container_log` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/clean-container-log.md - `clean_monitor_data` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/clean-monitor-data.md - `clear_recycle_bin` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/clear-recycle-bin.md - `delete_ai_agent` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-ai-agent.md - `delete_ai_agent_account` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-ai-agent-account.md - `delete_backup` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-backup.md - `delete_backup_account` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-backup-account.md - `delete_certificate` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-certificate.md - `delete_clam_config` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-clam-config.md - `delete_cronjob` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-cronjob.md - `delete_database` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-database.md - `delete_file` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-file.md - `delete_firewall_rule` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-firewall-rule.md - `delete_ftp_user` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-ftp-user.md - `delete_host` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-host.md - `delete_host_group` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-host-group.md - `delete_host_ssh_key` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-host-ssh-key.md - `delete_mcp_server` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-mcp-server.md - `delete_ollama_model` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-ollama-model.md - `delete_snapshot` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-snapshot.md - `delete_website` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-website.md - `delete_website_domain` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-website-domain.md - `partition_disk` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/partition-disk.md - `prune_containers` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/prune-containers.md - `recover_snapshot` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/recover-snapshot.md - `recreate_snapshot` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/recreate-snapshot.md - `remove_compose` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/remove-compose.md - `remove_container` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/remove-container.md - `remove_image` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/remove-image.md - …and 255 more: https://policylayer.com/tools/eaveluo-1panel-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=eaveluo-1panel-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/eaveluo-1panel-mcp