I have provided individual steps but if you want to do it quickly, I have also created a script that you can run quickly on any new server you deploy. Here are the things I recommend you should check to ensure your Linux server's security. Most of the advices are generic here and should be applicable to other Linux unless specifically mentioned. Please check which Linux you are running. I have considered two of the most popular Linux server distributions here: Ubuntu and CentOS/Red Hat. Recommended things to do after installing a Linux server to beef up the security ![]() All traffic from unauthorized people or scripts trying to log into my server.Ī few crucial first steps will help you protect your new server builds from compromise. Here's a screenshot of what Fail2ban has seen recently on one of my servers.Ģ12 bad login attempts and 6 blocked IP Addresses. There are a few things you must do after installing Linux server to ensure your server isn't compromised. When you spin up a new server, especially if it is visible on the Internet, it will be immediately available to bad guys scouring exposed servers for misconfigurations and vulnerabilities through their automated bot scripts. Many platforms are providing free Linux cloud servers and you can deploy your Linux servers in minutes though these cloud platforms. ![]() Cloud computing has changed the server scenario drastically.
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