How to restrict root user to access or modify a file?
Now by default root is the super user who has access to all the files and directories available on the Linux node but it is also possible to restrict even a root user from accessing and modifying the content of a file or directory. You can restrict root user from accessing and modifying a file or directory using extended file attributes.
Why do processes in containers not need root access?
Whether malicious or because of bugs, a process may have unexpected consequences at runtime. One of the best ways to protect yourself against any unexpected access is to grant only the minimum amount of privileges necessary to a process to run. Most containerized processes are application services and therefore don’t require root access.
When does an application run as the root user?
When an application is running as the root user that application has the ability to control your server. If an attacker gains control of that application then they can perform any task they want on your server, if you are running SELinux there is an additional security control;
How to control root access on home machine?
Controlling Root Access When administering a home machine, the user must perform some tasks as the root user or by acquiring effective root privileges using a setuid program, such as sudo or su. A setuid program is one that operates with the user ID ( UID) of the program’s owner rather than the user operating the program.
How can I get access to my root folder?
As soon as you can fix the offending java app, chown everything in root back to root:root. You can move the folder outside of /root and create a link to it. That way you will still have it in your folder and you can set permissions for others to access it.
Can a protected path be disabled by User Account Control?
The requirement to be in a protected path can be disabled by the User Account Control: Only elevate UIAccess applications that are installed in secure locations setting. Although this setting applies to any UIA program, it is used primarily in certain Windows Remote Assistance scenarios.