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We recently implemented Paralells, plesk. &nbsp;You cannot NAT Plesk containers. &nbsp;All containers are public IP's. &nbsp;The class C public IPs sit on the colo's router and then this plugs into my switch using a cat5 cable the colo facility provides. &nbsp;The servers are plugged into the switch too, all having public IP's. &nbsp;I can certainly put a firewall in place and change the gateway on the NIC's on the servers and have the outbound traffic pass thourgh the firewall. &nbsp;The QUESTION is about inbound traffic, how can you have the firewall filter inbound traffic, when it is all public IP broadcast traffic?
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We recently implemented Paralells, plesk.  You cannot NAT Plesk containers.  All containers are public IP's.  The class C public IPs sit on the colo's router and then this plugs into my switch using a cat5 cable the colo facility provides.  The servers are plugged into the switch too, all having public IP's.  I can certainly put a firewall in place and change the gateway on the NIC's on the servers and have the outbound traffic pass thourgh the firewall.  The QUESTION is about inbound traffic, how can you have the firewall filter inbound traffic, when it is all public IP broadcast traffic?

Public Firewall

Cloud computing, also known as on-demand computing, is a kind of Internet-based computing where shared resources and information are provided to computers and other devices. It is a model for enabling ubiquitous, on-demand access to a shared pool of configurable computing resources. Cloud computing and storage solutions provide users and enterprises with various capabilities to store and process their data in third-party data centers, relying on sharing of resources to achieve coherence and economies of scale.

Cloud Computing

Network security consists of the policies adopted to prevent and monitor authorized access, misuse, modification, or denial of a computer network and network-accessible resources. Network security involves the authorization of access to data in a network, and covers a variety of computer networks; conducting transactions and communications among businesses, government agencies and individuals. Networks can be private, such as within a company, and others which might be open to public access.

Network Security

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.