Disable NetBIOS with care - SearchWindowsServer
Apr 04, 2015 win_netbios – Manage NetBIOS over TCP/IP settings on Note. Changing NetBIOS settings does not usually require a reboot and will take effect immediately. UDP port 137/138/139 will no longer be listening once NetBIOS is disabled. NetBIOS: What It Is and How It Works - Lifewire May 01, 2020 [MS-DHCPE]: Vendor-Specific Option Code 0x01 - Microsoft This option can be used to enable or disable the use of NetBIOS over TCP/IP on the network interface for which the DHCPv4 message was received. DHCPv4 clients SHOULD <4> support this option. If the use of NetBIOS over TCP/IP is disabled on the interface, no NetBIOS over TCP/IP packets can be sent from or received on that interface.
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Disabling NETBIOS via GP - social.technet.microsoft.com
Just using disable netbios = yes in your config file won't stop the nmbd from running from the init.d script. You need to manually comment out the nmbd options from the script after killing nmbd because nmbd will start again after restarting samba services or a reboot. You can check if netbios isn't running any more by using the following command: Life of a techno-guru: Disabling NetBIOS over TCP/IP Via