How do I Change SSH Port in Red Hat Enterprise Linux?

Port number 22 is the default port used by a Linux SSH Server. Changing the port of SSH aids in avoiding automated attacks by offering security to your server. Security Enhanced Linux or SELinux is a default feature equipped with Red Hat Enterprise Linux. It is responsible to block each port offering access to SSH; […]

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Forcing SMTP authentication in cPanel

By default cPanel / WHM requires POP before SMTP authentication. With this authentication, if a user is authenticated via POP3, then they are allowed to send e-mail for a period of up to 30 minutes without being prompted for SMTP authentication. If a user is authenticated via POP3 before SMTP attempt, which prompted for SMTP […]

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