Web Server

Auto renew Let’s Encrypt SSL Certificate using Systemd and restart Nginx / Apache if success

On other post, we create an article how to obtain Let's Encrypt SSL Certificate on Centos 6/7/8 or RHEL 6/7/8.…

3 weeks ago

How to obtain Let’s Encrypt SSL Certificate for Apache or Nginx using Certbot

Now SSL is one of SEO (Search Engine Optimization) signal. Read it on Google Webmaster Blog. If you only has…

3 weeks ago

How to block bad bots LieBaoFast, MQQBrowser and Mb2345Browser using Fail2ban

Our server suddenly got big traffic and this traffic detected on Google Analytics. This spike traffic increase 1000 % -…

8 months ago

How to install and configure Nginx Brotli

Brotli is developed by Google as an alternative to Gzip, Zopfli and Deflate, but we can say it's enhancement. Our…

11 months ago

How to install latest official Nginx on Centos 8 / RHEL 8

How to install latest official Nginx on Centos 8 / RHEL 8, instead using Nginx from Centos 8 or RHEL…

11 months ago

How to install and configure Nginx ModSecurity on Centos 7

ModSecurity is an open source and great module to securing sites around the world. ModSecurity protects against Layer 7 attacks. It…

11 months ago

How to mitigate TCP SYN Flood attack and resolve it on Linux

TCP SYN flood is a one type of DDoS (Distributed Denial of Service) attack that exploits part of the normal…

11 months ago