Download and unzip the provided selinux.zip.

Ensure to set SELinux to permissive mode before running the script.
You can then set SELinux back to enforcing after the script run.

Go inside the extracted sesinetd_selinux directory and run the provided sesinetd_selinux.sh script.

sudo setenforce 0
unzip selinux.zip
cd selinux
sudo ./sesinetd_selinux.sh
sudo setenforce 1

Note this script is meant only as a starting point. There may be additional steps required on the user computer to have SELinux working for sesinetd.

Additional packages you may need to install to have the script work:
policycoreutils-devel