After using VM on your local machine creates a CentOS7 of linux server, installed jenkins jenkins administration page can be accessed by way of IP + port on the server
When access is blocked on the host
First look at whether the host and VM network interworking
VM modify the way NAT network mode
Disable the firewall on the virtual machine
Related Commands
Stop firewall
systemctl stop firewalld.service
Prohibit boot
systemctl disable firewalld.service