How to protect ECs from hacker attacks?

Methods to protect ECs from hacker attacks ：1、 Check the services and applications on the ECS , Turn off unnecessary reports and get rid of unused Services ;2、 Check the security log regularly , Use DDoS Protection provider and the latest version of Apache, Disable compiler .
The details are as follows ：
1、 Turn off unnecessary reports and get rid of unused Services
Spend some time checking cloud servers and services . Ask yourself , In order to make ECS work normally , Whether all these things are necessary ? If you are running unnecessary applications , Will make the server more vulnerable . For ports , You should use IP Table the port required to open the ECS . And then INPUT The default policy on the chain is set to drop . such , Any port you do not explicitly indicate to open will be ignored .
2、 Check for common security threats
We are always ready to deal with the latest security threats . however , Some of the most effective security threats are persistent threats . Protect your ECS in the following ways ： Check the security log regularly , Use something like Cloudflare In this way DDoS Protection provider , Disable compiler , Use the latest version of Apache, But don't confuse your version number .