1.禁止root遠(yuǎn)程登錄
vim /etc/ssh/sshd_config
PermitRootLogin no
2.禁ping
vim /etc/sysctl.conf
net.ipv4.icmp_echo_ignore_all = 1
1.禁止root遠(yuǎn)程登錄
vim /etc/ssh/sshd_config
PermitRootLogin no
2.禁ping
vim /etc/sysctl.conf
net.ipv4.icmp_echo_ignore_all = 1