ow do I enable and configure TLS 1.2 and 1.3 only in Nginx web server?
am a new OpenSUSE Linux 15.x sysadmin. How do I set up a firewall using FirwallD on OpenSUSE Linux 15.1?
ow do I set up a basic iptables firewall on Amazon Linux AMI running on EC2 or Lightsail instance?
read that Let’s Encrypt is a free, automated, and open certificate for web server and other usages. How do I secure Apache with Let’s Encrypt Certificates on CentOS 8?
am a new CentOS Enterprise Linux 8 sysadmin. How do I set up a firewall using FirwallD on CentOS 8?
y ssh log file shows too many password failures. Random IP address trying to brute force my sshd server running on CentOS 8 server. How do I protect ssh with fail2ban on CentOS 8 Linux server? How do I install Fail2Ban on CentOS 8?
would like to update installed packages for security on RHEL 8.x (Red Hat Enterprise Linux) server. How can I update my RHEL 8.x system using yum command