Disable Telnet service
To secure the server its always preferable to disable the telnet service. To disable the Telnet login in to the server as a root user […]
Linux
DDOS attack solution part 4
In the “DDOS attack solution part 3” we have installed the csf firewall to stop the DDOS but still receiving the heavy DDOS attack in that case, simply […]
How to delete frozen emails?
How to delete frozen email in single command? You can delete the frozen emails by using the following command from shell but make sure that […]
DDOS attack solution part 3
In part 1 and “DDOS attack solution part 2” , we have understand the DDOS attack and initial protection by using the normal iptable rule but […]
What is frozen emails?
What are frozen emails? Messages are frozen when the email server has determined it cannot do anything to deliver the message and they time frozen […]