How to block ssh connection in fast mode, Linux OS

How to block ssh connection in fast mode, Linux OS.

ghost@linuxpc# vi /etc/hosts.allow

sshd : 192.168.1.0/24

sshd : 127.0.0.1

sshd : [::1] 

#ssh #cybersecurity #ethicalhacker #malware #penetrationtester #penetration-testing

#linuxadministrator