:: ─────────────────────────────────────────────────────────────────────────────
:: 🌐 TCPIP/NETSH TWEAKS
:: ─────────────────────────────────────────────────────────────────────────────
:: 📖 Various tweaks for your Internet connection
:: ─────────────────────────────────────────────────────────────────────────────
:: ⚠️ Only for users with Ethernet connection. Do not use this tweak if you are Wi-Fi user
:: ─────────────────────────────────────────────────────────────────────────────
:: ©️ Copy & Paste it to your own .cmd/.bat file
:: ─────────────────────────────────────────────────────────────────────────────



:: 📜 SCRIPT
:: ─────────────────────────────────────────────────────────────────────────────

powershell -NoProfile -NonInteractive -Command ^
Enable-NetAdapterQos -Name "*";^
Disable-NetAdapterPowerManagement -Name "*";^
Disable-NetAdapterIPsecOffload -Name "*";^
Set-NetTCPSetting -SettingName "*" -MemoryPressureProtection Disabled -InitialCongestionWindow 10 -ErrorAction SilentlyContinue

netsh int tcp set global dca=enabled
netsh int tcp set global netdma=enabled
netsh interface isatap set state disabled
netsh int tcp set global timestamps=disabled
netsh int tcp set global rss=enabled
netsh int tcp set global nonsackrttresiliency=disabled
netsh int tcp set global initialRto=2000
netsh int tcp set supplemental template=custom icw=10
netsh interface ip set interface ethernet currenthoplimit=64

reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "TcpMaxConnectRetransmissions" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "Tcp1323Opts" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "TcpTimedWaitDelay" /t REG_DWORD /d "32" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "DelayedAckFrequency" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "DelayedAckTicks" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "CongestionAlgorithm" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "MultihopSets" /t REG_DWORD /d "15" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" /v "IRPStackSize" /t REG_DWORD /d "50" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" /v "SizReqBuf" /t REG_DWORD /d "17424" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" /v "Size" /t REG_DWORD /d "3" /f
reg add "HKLM\Software\Policies\Microsoft\Windows\Psched" /v "TimerResolution" /t REG_DWORD /d "1" /f
reg add "HKLM\System\CurrentControlSet\Services\Tcpip\QoS" /v "Do not use NLA" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v "NegativeCacheTime" /t REG_DWORD /d "0" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v "NegativeSOACacheTime" /t REG_DWORD /d "0" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v "NetFailureCacheTime" /t REG_DWORD /d "0" /f
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection" /v "AllowTelemetry" /t REG_DWORD /d "0" /f
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection" /v "DoNotShowFeedbackNotifications" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v "EnableAutoDoh" /t REG_DWORD /d "2" /f
reg add "HKLM\SYSTEM\CurrDisableNagleentControlSet\Services\AFD\Parameters" /v "DoNotHoldNicBuffers" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters" /v "DisableRawSecurity" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters" /v "NonBlockingSendSpecialBuffering" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters" /v "IgnorePushBitOnReceives" /t REG_DWORD /d "1" /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters" /v "DynamicSendBufferDisable" /t REG_DWORD /d "0" /f
reg add "HKLM\Software\Microsoft\MSMQ\Parameters" /v "TCPNoDelay" /t REG_DWORD /d "1" /f

for /f "tokens=3*" %%i in ('reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkCards" /f "ServiceName" /s ^|findstr /i /l "ServiceName"') do (
    reg add "HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "TCPNoDelay" /t Reg_DWORD /d "1" /f
    reg add "HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "TcpAckFrequency" /t Reg_DWORD /d "1" /f
    reg add "HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "TcpDelAckTicks" /t Reg_DWORD /d "0" /f
    reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "TcpInitialRTT" /d "300" /t REG_DWORD /f
    reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "UseZeroBroadcast" /d "0" /t REG_DWORD /f
    reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "DeadGWDetectDefault" /d "1" /t REG_DWORD /f
)

start /B cmd /c "ipconfig /release & ipconfig /renew"

:: ─────────────────────────────────────────────────────────────────────────────



:: 🔁 RESTORE DEFAULT VALUES
:: ─────────────────────────────────────────────────────────────────────────────

powershell -NoProfile -NonInteractive -Command ^
Set-NetTCPSetting -SettingName "*" -InitialCongestionWindow 4 -ErrorAction SilentlyContinue

netsh int tcp set supplemental Internet congestionprovider=default
netsh int tcp set global initialRto=3000
netsh int tcp set global rss=default
netsh int tcp set global chimney=default
netsh int tcp set global dca=default
netsh int tcp set global netdma=default
netsh int tcp set global timestamps=default
netsh int tcp set global nonsackrttresiliency=default

reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "TcpMaxConnectRetransmissions" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "Tcp1323Opts" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "TcpTimedWaitDelay" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "DelayedAckFrequency" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "DelayedAckTicks" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "CongestionAlgorithm" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "MultihopSets" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" /v "IRPStackSize" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" /v "SizReqBuf" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" /v "Size" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\QoS" /v "Do not use NLA" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v "NegativeCacheTime" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v "NegativeSOACacheTime" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v "NetFailureCacheTime" /f
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection" /v "AllowTelemetry" /f
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection" /v "DoNotShowFeedbackNotifications" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" /v "EnableAutoDoh" /f
reg delete "HKLM\SYSTEM\CurrDisableNagleentControlSet\Services\AFD\Parameters" /v "DoNotHoldNicBuffers" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters" /v "DisableRawSecurity" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters" /v "NonBlockingSendSpecialBuffering" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters" /v "IgnorePushBitOnReceives" /f
reg delete "HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters" /v "DynamicSendBufferDisable" /f
reg delete "HKLM\Software\Microsoft\MSMQ\Parameters" /v "TCPNoDelay" /f
for /f "tokens=3*" %%i in ('reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkCards" /f "ServiceName" /s ^|findstr /i /l "ServiceName"') do (
    reg delete "HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "TCPNoDelay" /f
    reg delete "HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "TcpAckFrequency" /f
    reg delete "HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "TcpDelAckTicks" /f
    reg delete "HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "TcpInitialRTT" /f
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "UseZeroBroadcast" /f
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\%%i" /v "DeadGWDetectDefault" /f
)

start /B cmd /c "ipconfig /release & ipconfig /renew"

:: ─────────────────────────────────────────────────────────────────────────────