查看tcp消耗端口情况

while ($true) {
    Clear-Host
    Write-Host "=== TCP Connection Status (Windows) ===" -ForegroundColor Green
    Write-Host "Refresh every 5 seconds..." -ForegroundColor Yellow

    # 获取所有 TCP 连接状态
    $connections = Get-NetTCPConnection | Select-Object State

    # 统计各状态数量
    $states = $connections | Group-Object State | Sort-Object Count -Descending

    # 输出状态统计
    Write-Host "Connection States:" -ForegroundColor Cyan
    foreach ($item in $states) {
        Write-Host "$($item.Name) : $($item.Count)" -ForegroundColor White
    }

    # 获取已占用端口数
    $usedPorts = Get-NetTCPConnection | Select-Object -ExpandProperty LocalPort | Sort-Object -Unique | Measure-Object | Select-Object -ExpandProperty Count

    # 获取临时端口范围（默认值，需根据实际配置调整）
    # Windows 默认临时端口范围：1024-65535（可通过注册表或 netsh 查看）
    $tempStart = 1024
    $tempEnd = 65535
    $totalPorts = $tempEnd - $tempStart + 1
    $availablePorts = $totalPorts - $usedPorts

    # 输出端口统计
    Write-Host "-----------------------------------" -ForegroundColor Gray
    Write-Host "Temp Port Range: $tempStart -> $tempEnd" -ForegroundColor Yellow
    Write-Host "Total Temp Ports: $totalPorts" -ForegroundColor Cyan
    Write-Host "Used Ports: $usedPorts" -ForegroundColor Red
    Write-Host "Available Ports: $availablePorts" -ForegroundColor Green

    Start-Sleep -Seconds 5
}