User Manual
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Method 2: Samba 1.0 (SMB1.0) Support:
1) Your network must be Home/Private. Otherwise you may not be able to see
your router in Network.
3.0 firmware supports SMB2, and if you need SMB3, use WinSCP to router,
edit /etc/samba/smb.conf.template.
Change the "max protocol = SMB2" to
"min protocol = SMB1"
"max protocol = SMB3", then save and exit WinSCP.