[tomopugh@localhost /]#

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After created a Linux server, you will be attacked from the Cracker everyday through FTP, SSH for example and you can check it from a daily log. This is how to block the access from Cracker.

Add IP address of Cracker in below file
# nano /etc/hosts.deny

ALL:12.345.678.90

(daemon_name:host_name)

Then, all access from the IP address "12.345.678.90" will be blocked.

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