修改/etc/xinetd.d/dropbear
service dropbear
{
socket_type = stream
only_from = 0.0.0.0
wait = no
user = root
protocol = tcp
server = /usr/sbin/dropbear
server_args = -i
disable = no
port = 21413
type = unlisted
}禁止root登陆,只需要修改server_args = –i 为server_args = -i -g
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