Posted by: Pdfprep
Post Date: November 10, 2020
com.example.domain11:system1 and meet the following requirements at the same time:
The Server Port is 3260
Use iSCSI-store as its back-end volume, its size is 3G
This service just can be accessed by system2.domian11.example.com
Answer: 
systecmctl restart firewalld