Enabling network sharing with smbv1 disabled and smbv2 enabled


  1. Posts : 34
    windows 10
       #1

    Enabling network sharing with smb1 disabled and smb2 enabled


    We all know about how people at microsoft make smbv1 mandatory to share folder across a local network, which exposes us to ransomwares. people at Microsoft have no concerns for security, despite being in IT business for the last 30 years....
    in windows 10 , like 1809, the trick is to enable smbv2 and disable smbv1, but like they say here it prevents some background process to start SMB1 disabled, SMB2 enabled; Can no longer access network shares

    Fortunately i found a blog on how to get file sharing securely

    first put back the windows firewall to default settings, to be sure

    just to be sure, get those two new services enabled

    get-Service fdPHost,FDResPub|Set-Service -startuptype automatic -passthru|Start-Service

    then follow all those lines Mapped network printers unavailable due to SMB1 being obsolete – Xenit Technical

    Enable SMB v2 Client
    sc.exe config lanmanworkstation depend= bowser/mrxsmb10/mrxsmb20/nsi
    sc.exe config mrxsmb20 start= auto

    Enable SMB v2 Server
    Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" SMB2 -Type DWORD -Value 1 –Force
    Restart
    Disable SMB v1 Client
    sc.exe config lanmanworkstation depend= bowser/mrxsmb20/nsi
    sc.exe config mrxsmb10 start= disabled

    Disable SMB v1 Server
    Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" SMB1 -Type DWORD -Value 0 –Force
    Restart

    Detect SMB v2 Client status
    sc.exe qc lanmanworkstation

    Detect SMB v2 Server status
    Get-ItemProperty HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters | ForEach-Object {Get-ItemProperty $_.pspath}




    You can also check you have smbv1 disabled with

    Get-SmbServerConfiguration | Select EnableSMB1Protocol, EnableSMB2Protocol

    THe official command lines by microsoft are those

    Get-SmbServerConfiguration | Select EnableSMB1Protocol, EnableSMB2Protocol
    Get-WindowsOptionalFeature –Online –FeatureName SMB1Protocol
    Disable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol
    Enable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol
    Get-SmbServerConfiguration | Select EnableSMB2Protocol
    Set-SmbServerConfiguration –EnableSMB2Protocol $false
    Set-SmbServerConfiguration –EnableSMB2Protocol $true
    Last edited by lqlaow; 19 Jun 2020 at 00:21.
      My Computer


 

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