OPNSense MCP Server

MIT License

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create_firewall_rule

Configure firewall rules on OPNSense by specifying action, interface, direction, protocol, and source/destination addresses to manage network traffic effectively.

Instructions

Create a new firewall rule

Input Schema

Name	Required	Description
`action`	Yes	Rule action (pass/block/reject)
`description`	No	Rule description
`destination`	Yes	Destination address/network or "any"
`destinationPort`	No	Destination port (for TCP/UDP)
`direction`	Yes	Traffic direction
`enabled`	No	Enable rule
`interface`	Yes	Interface name
`protocol`	Yes	Protocol (any/tcp/udp/icmp)
`source`	Yes	Source address/network or "any"
`sourcePort`	No	Source port (for TCP/UDP)

Input Schema (JSON Schema)

{
  "properties": {
    "action": {
      "description": "Rule action (pass/block/reject)",
      "enum": [
        "pass",
        "block",
        "reject"
      ],
      "type": "string"
    },
    "description": {
      "description": "Rule description",
      "type": "string"
    },
    "destination": {
      "description": "Destination address/network or \"any\"",
      "type": "string"
    },
    "destinationPort": {
      "description": "Destination port (for TCP/UDP)",
      "type": "string"
    },
    "direction": {
      "description": "Traffic direction",
      "enum": [
        "in",
        "out"
      ],
      "type": "string"
    },
    "enabled": {
      "default": true,
      "description": "Enable rule",
      "type": "boolean"
    },
    "interface": {
      "description": "Interface name",
      "type": "string"
    },
    "protocol": {
      "description": "Protocol (any/tcp/udp/icmp)",
      "type": "string"
    },
    "source": {
      "description": "Source address/network or \"any\"",
      "type": "string"
    },
    "sourcePort": {
      "description": "Source port (for TCP/UDP)",
      "type": "string"
    }
  },
  "required": [
    "action",
    "interface",
    "direction",
    "protocol",
    "source",
    "destination"
  ],
  "type": "object"
}

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