# win-network-boost.ps1 — улучшение интернет-соединения на Windows 11
# Запуск от админа: PowerShell → правый клик → Run as Administrator → .\win-network-boost.ps1

Write-Host "=== Network Boost — Windows 11 ===" -ForegroundColor Cyan
Write-Host ""

# 1. Network Throttling — снимает ограничение на игровой трафик
Write-Host "[1/5] Network throttling off..." -ForegroundColor Yellow
reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile" /v "NetworkThrottlingIndex" /t REG_DWORD /d 0xffffffff /f | Out-Null
Write-Host "    OK"

# 2. Nagle's algorithm off — меньше задержка TCP
Write-Host "[2/5] Nagle off..." -ForegroundColor Yellow
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "TCPNoDelay" /t REG_DWORD /d 1 /f | Out-Null
Write-Host "    OK"

# 3. TCP autotuning — нормальный уровень (не отключен)
Write-Host "[3/5] TCP autotuning..." -ForegroundColor Yellow
netsh int tcp set global autotuninglevel=normal >$null
netsh int tcp set global rss=enabled >$null
netsh int tcp set global chimney=enabled >$null
netsh int tcp set global initialRto=2000 >$null
Write-Host "    OK"

# 4. DNS — Cloudflare (быстрее провайдерского)
Write-Host "[4/5] DNS → Cloudflare..." -ForegroundColor Yellow
$ifaces = Get-NetAdapter | Where-Object {$_.Status -eq "Up"}
foreach ($iface in $ifaces) {
    Set-DnsClientServerAddress -InterfaceIndex $iface.InterfaceIndex -ServerAddresses "1.1.1.1","1.0.0.1"
    Write-Host "    $($iface.Name): 1.1.1.1, 1.0.0.1"
}

# 5. RSS на сетевых адаптерах
Write-Host "[5/5] RSS (Receive Side Scaling)..." -ForegroundColor Yellow
foreach ($iface in $ifaces) {
    Set-NetAdapterRss -Name $iface.Name -Enabled $true -MaxProcessors 4 2>$null
    Write-Host "    $($iface.Name): RSS ON"
}

# Сброс DNS кэша
ipconfig /flushdns >$null

Write-Host ""
Write-Host "============================================" -ForegroundColor Cyan
Write-Host "  Готово" -ForegroundColor Green
Write-Host "============================================" -ForegroundColor Cyan
Write-Host ""
Write-Host "Что сделано:"
Write-Host "  - Network throttling OFF (снято ограничение)"
Write-Host "  - Nagle OFF (меньше задержка TCP)"
Write-Host "  - TCP autotuning normal + RSS + Chimney"
Write-Host "  - DNS → Cloudflare (1.1.1.1)"
Write-Host "  - RSS по ядрам"
Write-Host ""
Write-Host "Для полного эффекта — перезагрузи ПК." -ForegroundColor Yellow