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Linux OpenSSH server deny root user access / log in

Posted: 03 Mar 2019 11:51 AM PST


How do I block access to root user over ssh session on my Linux server? How can I block root user log in over ssh based session for security reasons?

The post Linux OpenSSH server deny root user access / log in appeared first on nixCraft.

Configure Ubuntu Pi-hole for Cloudflare DNS over HTTPS

Posted: 03 Mar 2019 11:29 AM PST

I installed OpenVPN VPN solutions on Ubuntu for my businesses to secure all data communications. I also set up Pin-hole ad blocker on Ubuntu server along with OpenVPN. How do I force Pi-hole to use Cloudflare DNS over HTTPS (DoH) to increase my privacy and security by preventing eavesdropping and manipulation of DNS data by man-in-the-middle attacks?

The post Configure Ubuntu Pi-hole for Cloudflare DNS over HTTPS appeared first on nixCraft.