Det verkar pågå stora DDOS attacker *inifrån* Telias nät. Nån annan med samma problem

ECHO OFF
set DNS1=8.8.8.8
set DNS2=8.8.4.4
set INTERFACE=Ethernet
CLS
:MENU
ECHO.
ECHO ...............................................
ECHO PRESS 1 OR 2 to select your task, or 3 to EXIT.
ECHO ...............................................
ECHO.
ECHO 1 - Set Static ip 
ECHO 2 - Obtain DNS Automatically
ECHO 3 - EXIT
ECHO.
SET /P M=Type 1, 2, or 3 then press ENTER:
IF %M%==1 GOTO NOTE
IF %M%==2 GOTO CALC
IF %M%==3 GOTO EOF
:NOTE
netsh int ipv4 set dns name="%INTERFACE%" static %DNS1% primary validate=no
netsh int ipv4 add dns name="%INTERFACE%" %DNS2% index=2

ipconfig /flushdns
GOTO MENU
:CALC
netsh interface ipv4 set dnsservers "%INTERFACE%" dhcp
ipconfig /flushdns
GOTO MENU

:: network-diagnose.bat
@echo off
setlocal EnableExtensions EnableDelayedExpansion

:: ------------------------------------------------------------
:: Network diagnostics
::
:: 1 = Engångstest:
::     - Hittar default gateway
::     - Ping gateway
::     - Ping externa IP-adresser
::     - Testar DNS
::     - Kör tracert/pathping
::
:: 2 = Kontinuerlig monitorering:
::     - Loggar gateway + internet tills du avbryter med Ctrl+C
::
:: Loggar sparas i samma katalog som scriptet.
:: ------------------------------------------------------------

set "TESTLOG=%~dp0network_test.txt"
set "MONITORLOG=%~dp0network_monitor.txt"

:: Externa kontrollmål. Två olika nät minskar risken
:: att vi drar slutsats från ett enskilt trasigt mål.
set "TARGET1=1.1.1.1"
set "TARGET2=8.8.8.8"

:MENU
cls
echo.
echo ===============================================
echo             Network diagnostics
echo ===============================================
echo.
echo 1 - Run full diagnostic test
echo 2 - Start continuous ping monitor
echo 3 - Exit
echo.
set /p "CHOICE=Select 1, 2 or 3: "

if "%CHOICE%"=="1" goto DIAGNOSTIC
if "%CHOICE%"=="2" goto MONITOR
if "%CHOICE%"=="3" goto EOF
goto MENU


:GETGATEWAY
:: Hämta IPv4 default gateway från routingtabellen.
:: Den används för att skilja lokala problem från problem
:: längre ut hos operatören eller på Internet.
set "GATEWAY="

for /f "tokens=3" %%G in ('route print -4 ^| findstr /R /C:"^[ ]*0\.0\.0\.0[ ]*0\.0\.0\.0"') do (
    if not defined GATEWAY set "GATEWAY=%%G"
)

exit /b


:DIAGNOSTIC
call :GETGATEWAY

echo ==== Network diagnostic ==== > "%TESTLOG%"
echo Started: %DATE% %TIME% >> "%TESTLOG%"
echo. >> "%TESTLOG%"

echo [Configuration] >> "%TESTLOG%"
ipconfig /all >> "%TESTLOG%"
echo. >> "%TESTLOG%"

if defined GATEWAY (
    echo [Default gateway: %GATEWAY%] >> "%TESTLOG%"
    ping -n 20 %GATEWAY% >> "%TESTLOG%"
) else (
    echo [Could not determine default gateway] >> "%TESTLOG%"
)

echo. >> "%TESTLOG%"
echo [Cloudflare %TARGET1%] >> "%TESTLOG%"
ping -n 20 %TARGET1% >> "%TESTLOG%"

echo. >> "%TESTLOG%"
echo [Google %TARGET2%] >> "%TESTLOG%"
ping -n 20 %TARGET2% >> "%TESTLOG%"

echo. >> "%TESTLOG%"
echo [DNS through configured resolver] >> "%TESTLOG%"
nslookup google.com >> "%TESTLOG%" 2>&1

echo. >> "%TESTLOG%"
echo [DNS directly through Cloudflare] >> "%TESTLOG%"
nslookup google.com %TARGET1% >> "%TESTLOG%" 2>&1

echo. >> "%TESTLOG%"
echo [DNS directly through Google] >> "%TESTLOG%"
nslookup google.com %TARGET2% >> "%TESTLOG%" 2>&1

echo. >> "%TESTLOG%"
echo [Traceroute to Cloudflare] >> "%TESTLOG%"
tracert -d %TARGET1% >> "%TESTLOG%"

echo. >> "%TESTLOG%"
echo [Pathping to Cloudflare] >> "%TESTLOG%"
echo This part can take several minutes. >> "%TESTLOG%"
pathping -n %TARGET1% >> "%TESTLOG%"

echo. >> "%TESTLOG%"
echo Finished: %DATE% %TIME% >> "%TESTLOG%"

echo.
echo Diagnostic complete.
echo Log saved to:
echo %TESTLOG%
echo.
pause
goto MENU


:MONITOR
call :GETGATEWAY

echo.
echo Continuous monitor started.
echo Stop with Ctrl+C.
echo.
echo Logging to:
echo %MONITORLOG%
echo.

echo ==== Monitor started %DATE% %TIME% ==== >> "%MONITORLOG%"

:MONITORLOOP
:: Varje varv testar både den lokala gatewayen och Internet.
::
:: Om gatewayen spikar samtidigt som Internet:
::     misstänk dator, kabel, Wi-Fi, NIC eller router.
::
:: Om gatewayen är stabil men Internet spikar:
::     misstänk operatör, routing eller upstream.
::
:: Om båda är stabila medan ett specifikt program tappar
:: anslutningen är problemet sannolikt högre upp i stacken.

echo. >> "%MONITORLOG%"
echo ==== %DATE% %TIME% ==== >> "%MONITORLOG%"

if defined GATEWAY (
    echo [Gateway %GATEWAY%] >> "%MONITORLOG%"
    ping -n 5 -w 2000 %GATEWAY% >> "%MONITORLOG%"
)

echo [Cloudflare %TARGET1%] >> "%MONITORLOG%"
ping -n 5 -w 2000 %TARGET1% >> "%MONITORLOG%"

echo [Google %TARGET2%] >> "%MONITORLOG%"
ping -n 5 -w 2000 %TARGET2% >> "%MONITORLOG%"

:: Vänta fem sekunder före nästa mätning.
timeout /t 5 /nobreak >nul
goto MONITORLOOP


:EOF
endlocal
exit /b

ping 1.1.1.1 -f -l 1472

ping 1.1.1.1 -f -l 1464
ping 1.1.1.1 -f -l 1452
ping 1.1.1.1 -f -l 1400