ports

type PanelConfig struct {
	Name       string // Panel name (directadmin, cpanel, plesk)
	Enabled    bool   // Whether panel is enabled
	ConfigFile string // Path to panel config file
	TCPIn      []int  // TCP input ports
	TCPOut     []int  // TCP output ports (for OUTPUT chain)
	UDPIn      []int  // UDP input ports
	UDPOut     []int  // UDP output ports (for OUTPUT chain)
}

type PortConfig struct {
	TCPPorts []int            // All TCP ports (from T and B rules)
	UDPPorts []int            // All UDP ports (from U and B rules)
	AllRules []PortRule       // All rules with metadata
	PortMap  map[int][]string // port -> protocols (for deduplication)
}

type PortRule struct {
	Port     int    // Port number (e.g., 22, 80, 443)
	Protocol string // "T" (TCP), "U" (UDP), or "B" (Both)
	Source   string // Config file where this rule came from
}