# update_fail2ban_conf Update Fail2ban configuration Agent View of the PolicyLayer registry record for `update_fail2ban_conf`. HTML page: https://policylayer.com/tools/eaveluo-1panel-mcp/update-fail2ban-conf ## Facts - Tool: `update_fail2ban_conf` - Server: 1Panel MCP Server (`eaveluo/1panel-mcp`) — https://policylayer.com/tools/eaveluo-1panel-mcp.md - Homepage: https://github.com/EaveLuo/1panel-mcp - Risk category: Write (Medium 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": "update_fail2ban_conf", "arguments": {} } } ``` ## Why update_fail2ban_conf is rated Medium This tool modifies Fail2ban configuration, which is a critical security component that manages firewall rules, IP blocking, and authentication attempt thresholds. While the changes are reversible (Write rather than Destructive), misconfiguration could disable security protections, lock out legitimate users, or weaken defenses against brute-force attacks. From the tool's own definition: "Tool name 'update_fail2ban_conf' and description 'Update Fail2ban configuration' indicates modification of security firewall rules and configuration files that control access control and intrusion prevention." ## Use case AI agents use update_fail2ban_conf to create or update resources in 1Panel MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 1Panel MCP Server environment. ## 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": { "update_fail2ban_conf": { "limits": [ { "counter": "update_fail2ban_conf_rate", "window": "minute", "max": 30, "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