← All Tweaks

🛡️ Firewall & Security

Disable SMBv1 Protocol

Disable insecure SMBv1 file sharing protocol

Benefit

Eliminates WannaCry and Petya ransomware attack vector

Impact

high

Commands (1)

Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" -Name SMB1 -Value 0

Warnings

  •  ⚠ SMBv1 has been exploited by major ransomware attacks. Disabling is strongly recommended.