Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
"EnablePMTUBHDetect"=dword:00000000
"Tcp1323Opts"=dword:00000003
"SackOpts"=dword:00000001
"DefaultTTL"=dword:00000020
"EnablePMTUDiscovery"=dword:00000001