Security
How to Setup Let’s Encrypt SSL with Apache on CentOS 8
Let’s Encrypt is Certificate Authority (CA), which provides free SSL certificates for your domains to secure data on the transport…
Category: Security
Security
Whitelist an IP Address in Fail2Ban
Fail2Ban is a powerful tool used to prevent unauthorized access to your server, typically by monitoring logs for too many…
Security
Auto Renew Let’s Encrypt Certificates using Certbot
Default let’s encrypt SSL certificates are issued for 90 days only. After this, you need to renew your SSL certificates.…
Security
How to Secure Nginx with Let’s Encrypt on Ubuntu 18.04 & 16.04 LTS
This tutorial will help you to install Let’s encrypt client on your Ubuntu system and issue SSL certificate for the…
Security
How to Secure Apache With Let’s Encrypt on Ubuntu 18.04 & 16.04
Let’s Encrypt is a certificate authority (CA) providing free SSL/TLS certificates for enhanced security freely. You can generate CA-singed SSL…
Security
How to Enable CSF Firewall Web UI
ConfigServer Security & Firewall (CSS) is an iptables based firewall for Linux systems. In our previous tutorial read installation tutorial…
![Linux Security Advisory – Sudo Vulnerability in Linux [CVE-2017-1000367]](https://tecadmin.net/wp-content/uploads/2017/06/sudo-vulnerebility.png)
Security
Linux Security Advisory – Sudo Vulnerability in Linux [CVE-2017-1000367]
A vulnerability has been discovered in Sudo’s get_process_ttyname() in linux command. this function opens “/proc/[pid]/stat” (man proc) and reads the…
Security
Hiding the Nginx Version from HTTP Header
Nginx is a popular open-source web server and reverse proxy server that is widely used for serving web content and…
Security
Hiding the Apache Version from HTTP Header
Apache is a widely used open-source web server software that is capable of serving web content and managing incoming HTTP…
Security
How to Setup Let’s Encrypt SSL on Ubuntu 18.04 & 16.04 LTS
Let’s Encrypt is a certificate authority (CA) providing free SSL/TLS certificates. You can get a valid SSL certificate for your…