What is the Setsebool command used for?

What is the Setsebool command used for?

setsebool sets the current state of a particular SELinux boolean or a list of booleans to a given value. The value may be 1 or true or on to enable the boolean, or 0 or false or off to disable it. Without the -P option, only the current boolean value is affected; the boot-time default settings are not changed.

How do I check SELinux booleans?

To view all SELinux booleans, use the getsebool command together with less command. Note: SELinux must be in enabled state to list all booleans. To view all boolean values for a specific program (or daemon), use the grep utility, the following command shows you all httpd booleans.

How do I enable or disable SELinux Boolean values?

To change the SELinux Boolean values we have command setsebool….Change an SELinux Boolean Value:

  1. -P is for persistently change the Boolean values across reboots.
  2. -N is for the policy on disk is not reloaded into the kernel.
  3. -V is for the verbose messages on terminal.

How do I change SELinux booleans?

Changing SELinux booleans can be done through setsebool (where you add the desired state of the boolean, such as on or off) or togglesebool (which flips the current value of a boolean). When you do this, the changed value will take effect immediately but only for the duration that the current loaded policy is active.

What is Restorecon command?

restorecon stands for Restore SELinux Context. restorecon command will reset the SELinux security context for files and directories to its default values.

How do I check SELinux?

To find out the current status of SELinux, issue the sudo sestatus command. Where STATUS is either enabled or disabled. Here, MODE is either disabled, permissive or enforcing. Another way of viewing the status of SELinux is to issue the getenforce command.

What are three modes of SELinux?

SELinux can run in one of three modes: disabled, permissive, or enforcing.

When would you use a Restorecon?

This manual page describes the restorecon program. This program is primarily used to set the security context (extended attributes) on one or more files. It can be run at any time to correct errors, to add support for new policy, or with the -n option it can just check whether the file contexts are all as you expect.

How do I enable SELinux?

Enabling SELInux

  1. Open the file /etc/selinux/config.
  2. Change option SELINUX from disabled to enforcing.
  3. Restart the machine.

What is Scontext and Tcontext?

The scontext (u:r:shell:s0) tells you what context initiated the action. In this case this is something running as the shell. The tcontext (u:r:netd:s0) tells you the context of the action’s target.

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