Harderning Server with Fail2ban and Reporting to Telegram
After being busy enough that I didn’t have time to create challenges and write down how to complete these challenges on this blog, this time we will discuss a little about fail2ban and how to configure it.
Generally fail2ban is used to ban IPs that fail to authenticate up to the maximum limit stated in the configuration and this IPS is very effective in preventing attacks that will occur on the server, such as bruteforce attacks on SSH ports (22), FTP (21), SMTP (25), etc., even other …