What are my options for configuring Virtual Firewall Rules in 5nine Cloud Security?

Issue

I want to configure virtual firewall rules in 5nine Cloud Security. What options do I have?

 

Resolution

There are three basic types of virtual firewall rules in the 5nine Cloud Security product:

  • Global rules of default for All VMs group: These rules automatically apply to all virtual machines (VMs) in the Hyper-V environment under 5nine Cloud Security product.
  • User defined security groups rule: These rules apply to VMs associated with security group(s); VMs can be assigned to security group(s) from the VM settings. Each VM can be a member of several security groups. In addition to the VMs, firewall rules can also be defined for Hyper-V hosts’ network adapters that are connected to a virtual switch.
  • Local rules: These rules apply to only the VM or the host adapter for which they were created. All rules take effect when the virtual firewall protection is enabled. 

Note: 5nine Cloud Security uses the following approach to applying the virtual firewall rules:

  • All traffic is blocked by default if no firewall rule is added to the protected VM.
  • Any allowing firewall rule opens the channel(s) it is set for and allows the corresponding traffic to flow.
  • Any blocking firewall rule has priority over any allowing firewall rule in the event that they refer to the same resource(s). 

 

Keywords

5nine Cloud Security, Virtual Firewall Rules, Global Rules, User defined security groups rule, Local Rules, allowing firewall rule, blocking firewall rule

 

Related Information

5nine Cloud Security, What are the prerequisites for 5nine Cloud Security installation?,How can I ensure that my 5nine Cloud Security product is operating correctly?, How do I import Windows firewall rules for the virtual machines and Hyper-V hosts to my 5nine Cloud Security product?

 

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