Configuring Trellix Agent wake-up port in SELinux confinement mode

You can configure the wake-up port below 1024 in SELinux confinement mode on Trellix Agent 5.7.7 and later.

Install Trellix Agent using the install.sh -i -r command or upgrade Trellix Agent using the install.sh -u -r command to run the macmnsvc service as a root user.
Upgrade to or install Trellix Agent SELinux 5.8.x RPM package.
Add port to the http_port_t list by using the semanage port -a -t http_port_t -p tcp <port numbr>.
Verify the port availability by using the semanage port -l | grep <port numbr> command. For example, semanage port -l | grep 100. The configured port should be added in the http_port_t list as,
```
http_port_t tcp 100, 80, 81, 443, 488, 8008, 8009, 8443, 9000
```
where 100 is the newly added port number.
Restart the system.
Login to the client system and run the cmdagent -e -p command.
Send an Agent wake-up call from ePO - On-prem.

Agent wake-up call on ePO - On-prem using reserved ports is successful .