6.7

What to do next
You need to restart the dnsmasq service to flush the old cache data.
1 Connect to the vCenter Server Appliance using SSH.
2 Change the BASH shell by entering the shell command.
3 Run service dnsmasq restart to restart the dnsmasq service.
Edit the Firewall Settings of the vCenter Server Appliance
After you deploy the vCenter Server Appliance, you can edit its firewall settings and create firewall rules
using the vSphere Web Client.
You can set up firewall rules to allow or block traffic between the vCenter Server Appliance and specific
servers, hosts, or virtual machines. You cannot block specific ports, you block all of the traffic.
Prerequisites
Verify that the user who logs in to the vCenter Server instance in the vCenter Server Appliance is a
member of the SystemConfiguration.Administrators group in vCenter Single Sign-On.
Procedure
1 Use the vSphere Web Client to log in as administrator@your_domain_name to the vCenter Server
instance in the vCenter Server Appliance.
The address is of the type http://appliance-IP-address-or-FQDN/vsphere-client.
2 On the vSphere Web Client main page, click Home, and select System Configuration.
3 Under System Configuration, click Nodes.
4 Under Nodes, select a node and click the Manage tab.
5 Select Firewall and click Edit.
6 Edit the firewall settings.
Option Action
Add a firewall rule a
Click the Add icon ( ) to create a new firewall rule.
b Select a network interface of the virtual machine.
c Type the IP address of the network to apply this rule to.
The IP address can be IPv4 and IPv6 address.
d Type a subnet prefix length.
e From the Action drop-down menu, select whether to block or to allow the
connection between the vCenter Server Appliance and the network that you
specified.
f Click OK.
Edit a firewall rule a
Click the Edit icon ( ) to edit a firewall rule.
b Edit the settings of the rule.
c Click OK.
vCenter Server Appliance Configuration
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