Messaging Security Goes Virtual

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Messaging Security Goes Virtual: Improve Email Security and Lower Costs with Virtual Appliances Proofpoint Messaging Security Gateway—Virtual Edition Proofpoint, Inc. 892 Ross Drive Sunnyvale, CA 94089 P 408 517 4710 F 408 517 4711 info@proofpoint.com www.proofpoint.com One natural evolution of the virtualization trend is to combine the beneﬁts of special-function appliances and mix them with the virtualization approach. Hardware appliances are a great way to encapsulate a customized operating system, required services and an application. Virtual appliances are that encapsulation applied to the virtual computing world. Contents Introduction Introduction to Virtualization Virtual Appliance Beneﬁts: Everybody Wins Lowering Infrastructure Costs through Virtualization Virtualization Increases Agility Virtualization Improves Availability The Bottom Line About Proofpoint, Inc. 1 2 6 7 9 10 11 12 Contents Messaging Security Goes Virtual Introduction When it comes to smart technology investments, few new technologies can match virtualization for drop-dead-obvious ROI. It doesn’t take a degree in accounting to understand that the ability to increase server and storage capacity without having to invest a dime in additional hardware translates into huge cost savings. Savings not only in terms of hardware costs, but also in the power consumption, heat dissipation and management costs associated with deploying additional hardware. It is the ultimate in server consolidation. You can see the increasing demand for these beneﬁts in the increase in virtualization-enabled server sales. In three years, the number of servers shipped with virtualization technology has grown from nearly zero to 500,000, according to IDC. With the virtualization-enabled server infrastructure growing in data centers, a new opportunity for further efﬁciency has emerged—virtual appliances. Eliminating Appliance Overload Over the past few years, across enterprises of all sizes, hardware appliances have become the preferred deployment form factor for specialized IT functions such as messaging security. Physical security appliances provide a number of compelling beneﬁts for enterprises—they are pre-conﬁgured, easy to deploy, simple to manage and usually offer a compact form factor. But the rapid adoption of appliances, particularly for security solutions, has lead to “appliance bloat”—racks and racks of multi-colored boxes, each performing a specialized function. As security threats have proliferated and as enterprises have deployed more and more appliances to combat these threats, the ease-of-use and management beneﬁts that make security appliances so popular are at risk of being overwhelmed by the complexity and costs involved with managing a large number of “point solution” appliances. Initial attempts at solving appliance bloat have focused on collapsing multiple appliance functions onto a single physical appliance. Today’s most prominent examples of this would be messaging security appliances, which typically combine anti-spam, anti-virus and outbound content ﬁltering on a single box, and uniﬁed threat management (UTM) appliances, which usually combine ﬁrewall, IPS and other network security functions. While these multifunction appliances decrease the raw number of appliances required to run applications, their implementation still requires the addition of hardware to the data center. The Dawn of Virtual Appliances Along with consolidation of functionality in the messaging security space, there has been a trend in the industry around virtualization. At its simplest, virtualization is an abstraction layer that takes an enterprise’s applications and operating systems and decouples them from physical hardware. This decoupling allows your IT resources to have greater ﬂexibility. It turns a physical machine into a ﬁle (a “virtual machine”) that can be installed on top of a virtualization layer. Those ﬁles can be provisioned and operated side-by-side with other virtual machines on the same pool of hardware resources. One natural evolution of the virtualization trend is to combine the beneﬁts of special-function appliances and mix them with the virtualization approach. Hardware appliances are a great way to encapsulate a customized operating system, required services and an application. Virtual appliances are that encapsulation applied to the virtual computing world. With virtual appliances, enterprises can simply install “hardware-free appliances” on their existing virtualized server infrastructure. Virtualization technology, such as VMWare, transforms a mix of industry-standard x86 servers and their associated processors, memory, disk and networking components into a pool of “logical” computing resources that can be dynamically allocated to different virtual machines (each of which might be running entirely different operating systems, applications and services). Many of today’s hardware appliances are based on standard x86 server hardware running a customized OS and specialized applications and can, with a small amount of effort on the part of vendors, be transformed into a virtual appliance. Everything about the solution—operating system, application, user interface—is the same as it would be with a physical appliance, except that it requires no dedicated physical infrastructure. Messaging Security Goes Virtual Page 1 About the Proofpoint Messaging Security Gateway—Virtual Edition The Proofpoint Messaging Security Gateway™ Virtual Edition brings the beneﬁts of server virtualization to the enterprise messaging security market. It offers the same perimeter security, anti-spam, anti-virus, secure messaging and outbound content security capabilities found in Proofpoint’s hardware appliances as an easy-to-deploy virtual appliance for VMware environments. It delivers the same best-in-class protection as Proofpoint’s hardware appliances, combined with the many beneﬁts of virtualization—including cost savings, rapid deployment and provisioning, simpliﬁed change management, easy backup and disaster recovery: o Secures your network against spam, known viruses, emerging virus outbreaks, connection-level attacks, and hackers—right at the gateway. o Proofpoint MLX™ machine learning technology provides unrivalled anti-spam effectiveness and content ﬁltering accuracy. o Protects your enterprise from liability created by incompliant or offensive emails. o Protects the privacy and security of customer and employee data. o Protects valuable intellectual property and trade secrets. o Deploys in just minutes by simply loading into your VMware environment. o Supports encrypted email via TLS, optional Proofpoint Secure Messaging™ module or thirdparty encryption systems. o High-performance MTA proven in the most demanding enterprise email infrastructures. o Integrates with enterprise identity management systems such as Active Directory, Domino Directory, and other LDAP sources. o Intelligent perimeter security features such as MLX Dynamic Reputation™ protect against malicious connections including Denial-of-Service and Directory Harvest Attacks. o A true “zero administration” solution with uniﬁed policy management and robust reporting features. Page 2 The beneﬁts are identical to those realized by traditional server virtualization—reduced hardware costs, management overhead, power consumption, heat generation and space consumption. Additionally, virtual appliances can use the data center’s virtualized failover, backup, change management and disaster recovery features, generating further efﬁciency gains. New virtual servers can be deployed (for scalability or redundancy purposes) on as as-needed basis at zero incremental cost. �� Virtual appliances combine the advantages of hardware appliances with the advantages of server virtualization while removing the disadvantages. Virtual appliances offer the “best of both worlds,” a preconﬁgured, custom built device that is ready to run on virtual infrastructure. Introduction to Virtualization Let’s take a step back and look at what virtualization is and why it’s become such a popular strategy in today’s enterprise IT environment. IT organizations are still grappling with the legacy of the IT explosion of the 1990s, which left many of them with high costs, slow response times, and an inconsistently managed infrastructure. Today, IT organizations that want to give their enterprise a sustainable competitive advantage need to: o Reduce infrastructure costs through more efﬁcient use of resources. o Respond faster to business needs so projects get deployed more rapidly. o Increase the consistency and predictability of operations. Virtualization platforms, such as VMware Infrastructure, allow IT teams to continuously consolidate workloads to maximize server utilization and decrease operational costs. They allow system administrators to manage a higher number of servers, and deliver more ﬂexibility and responsiveness in provisioning new software services and maintaining existing ones. Most importantly, they standardize and simplify the management of diverse x86-based environments across all types of operating systems including Microsoft Windows, Linux, Sun Solaris x86, Novell NetWare and specialized operating systems used in virtual appliances. Proofpoint’s virtual appliance, the Proofpoint Messaging Security Gateway—Virtual Edition, runs on the VMware Infrastructure platform. VMware Infrastructure allows IT to treat the virtual environment as a dynamic resource pool that can utilize physical infrastructure with extremely high efﬁciency. By dynamically allocating resources you can create a very simple environment that allows for load balancing, high availability, zero downtime maintenance and backup and have a consistent way of providing structural services. The IT Challenge Today Today, IT infrastructure organizations are working diligently to solve the problems created by the explosion in the scope and complexity of IT platforms adopted in the 1990’s. The migration of application architectures to thin-client multi-tier architectures, the introduction of multiple Messaging Security Goes Virtual generations of Windows servers and the rapid growth of Linux have swept across IT organizations in successive waves over the last ten years. These waves caused explosive growth in server counts, network complexity and storage volumes throughout geographically distributed IT organizations. The policies and procedures adopted to gain back control of the infrastructure have often introduced their own challenges. Some of the resulting symptoms reported by IT organizations include: o Large numbers of under utilized “one-application per box” x86-based servers o Pervasive over-provisioning caused by policies that size all servers for “worst-case” workload scenarios o Long delays between change request submissions and operational changes o Long provisioning cycle times for new servers, storage and networking o Narrow scheduled downtime windows are over-subscribed with maintenance activities o Inconsistent, non-reproducible server builds due to a lack of build policies, or an inability to enforce them o Rushed patch roll-outs that break application functionality or performance because the patch-testing systems do not match production systems o Multiple infrastructure management systems for distributed Linux, Windows and NetWare servers o Incomplete information for equipment counts, status and ownership This list of challenges is daunting, but IT has started to regain the upper hand in the battle against costly, inﬂexible and disorderly infrastructure. As a ﬁrst step, IT organizations have generally centralized their IT infrastructure into fewer locations for better visibility. As a second step, they are adopting a new generation of infrastructure technologies and methodologies. The common vision of IT organizations today is to provide their business units with lower cost, higher service-level infrastructure that enables them to respond faster to business unit demands. For example, most enterprises have already migrated to storage area networking for a ﬂexible, lower cost, higher service level storage infrastructure. Currently, thousands of enterprises are adopting server virtualization technologies that provide the same beneﬁts for the rest of the IT infrastructure. This synergistic combination of storage, networking and computing virtualization has created a new category of infrastructure software called virtual infrastructure. Building the Virtualized Enterprise with VMware Infrastructure VMware Infrastructure is the most widely deployed software for optimizing and managing IT environments through virtualization – from the desktop to the data center. VMware ﬁrst introduced virtualization technology to the x86 computing platform in 1999, and since then has saved its customers billions of dollars in capital and operating costs. VMware Infrastructure abstracts the operating system from the hardware it’s running on, providing standardized virtual hardware for operating systems and their applications that enables the virtual machines to run simultaneously and independently on one or more shared processors. With virtualization, customers can easily consolidate many disparate server workloads onto more reliable and higher performance hardware. Machines can be dynamically and automatically allocated to the most appropriate host in the resource pool to guarantee service levels to software applications. By aggregating hardware resources into resource pools, IT environments can be optimized to dynamically support changing business needs while ensuring ﬂexibility and efﬁcient utilization of hardware resources. VMware Infrastructure provides a set of capabilities that make the entire IT environment more serviceable, available and efﬁcient than physical hardware alone. Traditionally, companies have had to assemble a patchwork of various operating system or software application speciﬁc solutions for high availability, resource optimization and security. Messaging Security Goes Virtual Page 3 �� VMware Infrastructure transforms a mix of industry standard x86 servers into a pool of easily managed, logical computing resources. VMware Infrastructure transforms a mix of industry standard x86 servers and their existing processors, memory, disk and networking into a pool of logical computing resources. Operating systems and their applications—or pre-conﬁgured virtual appliances—are isolated into secure and portable virtual machines. System resources are then dynamically allocated to each virtual machine based on need and prioritization, providing mainframe-class capacity utilization and control of server resources. Virtual machines can run on any physical server in a resource pool and be shifted between those servers seamlessly with zero downtime. As a result, virtual machines can be dynamically and automatically allocated to the most appropriate host in the resource pool to guarantee service levels to software applications. By aggregating hardware resources into resource pools, IT environments can be optimized to dynamically support changing business needs while ensuring ﬂexibility and efﬁcient utilization of hardware resources. �� Virtualization allows multiple “virtual machines” to share the same pool of hardware resources. Page 4 Messaging Security Goes Virtual VMware Infrastructure provides a set of capabilities that make the entire IT environment more serviceable, available and efﬁcient than physical hardware alone. Traditionally, companies have had to assemble a patchwork of various operating system or software application speciﬁc solutions for high availability, resource optimization and security. Because the virtualization layer is the ﬁrst software installed on the bare metal, VMware Infrastructure can provide these capabilities consistently for all virtual machines. Standardizing the entire IT environment on the consistent virtualization-based distributed services is like creating an assembly line for IT that builds reliability, predictability and efﬁciency. Capabilities of Virtual Machines In order to better understand how VMware Infrastructure works, let’s examine the deﬁnition and capabilities of virtual machines. A virtual machine is like a physical server, only instead of being a box of electronics, it is a set of software ﬁles. Each virtual machine represents a complete system – with processors, memory, networking, storage and BIOS – so that operating systems and software applications run in virtual machines, just like in a physical server, without any modiﬁcation. The ﬁgure to below shows the standard virtual components presented to every virtual machine, regardless of variations in the hardware present in the physical server. Based on their inherent partitioning, isolation and encapsulation, virtual machines offer many advantages over physical servers. Virtual machines: o Run on industry standard x86 physical servers o Have full access to all physical server resources such as CPU, memory, disk, networking, and peripherals, allowing them to run any software application in a virtual machine o Are completely isolated, providing secure processing, networking and data storage o Can run concurrently with other virtual machines for optimal hardware utilization o Are encapsulated in software ﬁles so that they can be provisioned, backed up or restored with the ease of a ﬁle copy o Are portable, so full systems including virtual hardware, operating systems and fully conﬁgured applications can be easily moved from one physical server to another, even while running o Can incorporate distributed resource management and high availability capabilities that provide better service levels to software applications than static physical infrastructure o Can be built and distributed as plug-and-play virtual appliances that contain the entire stack of virtual hardware, operating system, and fully conﬁgured software applications for rapid deployment �� Each virtual machine represents a complete system – with processors, memory, networking, storage and BIOS. Messaging Security Goes Virtual Page 5 Virtual Appliances Beneﬁt Both Production and Lab Deployments The Proofpoint Messaging Security Gateway Virtual Edition is ideal for enterprises that have adopted or are moving to the VMware environment. All of the beneﬁts of virtualization can be realized with Proofpoint’s virtual appliance including: o Cost savings related to infrastructure simpliﬁcation: Reduced hardware, power, cooling and space requirements. o Reliability, backup and disaster recovery: Snapshots of an entire environment can be easily taken and restored at any time leveraging VMware Infrastructure management tools. o Deployment and scalability: New virtual servers can be rapidly deployed on existing hardware. Proofpoint’s optimal horizontal scalability architecture allows new virtual appliances to be provisioned in minutes to address changing email requirements. Any number of virtual agent appliances can be deployed at zero incremental cost. Virtual Appliance Beneﬁts: Everybody Wins You might think that technology vendors and resellers would be wary of the new era of virtualization. After all, there is a huge market for physical appliances and server hardware, and virtualization cuts into those proﬁts. However, virtualization actually delivers enormous beneﬁts to every member of the value chain—vendors, resellers and enterprises. Speciﬁcally, these include: Much Easier Product Evaluations Think about what you go through every time you evaluate an appliance. Your ﬁrst interaction with the vendor is with a salesperson, who tries to push you toward an evaluation. If you agree to the evaluation, you then have to wait for the appliance to be shipped to you, often with the support of a ﬁeld engineer, who helps with the process of installation and setup. This process can take days—or even weeks—and disrupts your work schedule, and then you have to deal with the follow-up of sales personnel. Compare this to the process of evaluating a virtual appliance: you could simply download a trial virtual appliance at the time when you want to evaluate the appliance, and begin using it soon thereafter—without having to interact with the vendor or reseller. Your evaluation is done in the time it would normally take just to have an appliance delivered to you. To you, this is hassle-free efﬁciency. To vendors and resellers, this is a shorter sales cycle and a lower cost per sale, since the sale only requires paid human intervention at the very end of the sales process. Proofpoint offers a free, 45-day trial version of the Proofpoint Messaging Security Gateway Virtual Edition that can be downloaded via the web. It includes Proofpoint’s full suite of inbound email protection modules—including Proofpoint Spam Detection™, Proofpoint Virus Protection™ and Proofpoint Zero-Hour Anti-Virus™—along with Proofpoint’s email ﬁrewall and acceptable use policy enforcement features (the Proofpoint Content Compliance™ module). To register for the trial version, simply visit: http://www.proofpoint.com/trial Trial version registrations are typically processed within 24 hours. Once your registration is approved, Proofpoint provides product download, installation and activation details via email, allowing you to experience all of Proofpoint’s features at your convenience, without having to wait for the delivery of a hardware appliance. o Change management: New versions and conﬁguration changes can be tested in a zero-risk environment using a snapshot of the production environment. Simpliﬁed Lab Environment Set Up If you want to set up a lab environment to test software from multiple vendors, virtual appliances make it extremely easy to set up multiple appliances on a single server for testing purposes. You can try new products and modules, test conﬁguration changes, and evaluate different server conﬁgurations with great ease. For example, you can take a snapshot of your production environment and run it in a lab environment. Applying patches and performing upgrades can all be performed at low cost in the lab environment on an identical snapshot of your production system. Again, these capabilities will shorten the sales cycle and lower the total cost of sales for virtual appliance vendors. Customers of Proofpoint’s software and appliance versions can deploy the Virtual Edition appliance in lab and test environments free-of-charge. This allows email administrators to quickly and easily test new versions or conﬁguration changes in a safe, zero cost environment. Lab environments can be put up and taken down on an “as needed” basis. Lower Capital Expenditure No hardware means lower costs. Virtual appliances can save end users thousands of dollars on initial purchase price, and thousands more by utilizing existing data center failover and disaster recovery resources. As for vendors and resellers, they lose the extra dollars in hardware revenue, but the lower cost of sales keeps margins at an acceptable level, and they stand to gain signiﬁcant volume beneﬁts from the virtual sales model. Simply put, they can sell a lot more product, much more efﬁciently. The Proofpoint Messaging Security Gateway Virtual Edition features a virtualization-friendly pricing model that charges a per-module, annual license fee based on the number of mailboxes Page 6 Messaging Security Goes Virtual protected. Proofpoint modules for anti-spam, anti-virus, content security and secure messaging are priced separately and support and maintenance are included in the cost of annual license fees. Any number of virtual appliance instances can be deployed for redundancy and scalability without penalty. Lowering Infrastructure Costs through Virtualization The Proofpoint Messaging Security Gateway Virtual Edition runs on the VMware Infrastructure virtualization platform. Adopted by tens of thousands of enterprise IT organizations worldwide, VMware virtualization software has saved billions of dollars in hardware and operational costs. The cost savings driven by VMware Infrastructure are only accelerating as processors grow more powerful, the suite is certiﬁed on additional low-cost hardware, and VMware Infrastructure continues to scale up to address the most demanding enterprise workloads. VMware Infrastructure reduces infrastructure costs in the following ways. Deploy Virtual Appliances to Simplify Change Management As described previously, a virtual appliance is a fully pre-conﬁgured virtual machine including operating system and software application. Virtual appliances—like the Proofpoint Messaging Security Gateway Virtual Edition—are revolutionizing the software distribution paradigm by combining the simple deployment of software with the beneﬁts of a pre-conﬁgured device. For solution providers, delivering a virtual appliance is simpler and more cost effective than building a hardware appliance. Messaging security appliances are an example of this paradigm shift. The ﬁrst messaging security solutions were software programs. Users had to purchase a server, install a supported operating system, install the messaging security solution and conﬁgure everything. To eliminate some of the complexities involved in deploying such solutions, vendors started to deliver messaging security appliances—combining the software, customized OS and other required components on a secure hardware platform. A newer approach to this same problem is a messaging security solution as a virtual appliance. In this case, the pre-conﬁgured messaging security application lives inside of a virtual machine and can be deployed on existing hardware. Implement Server Consolidation and Containment while Maximizing Server Utilization Contain server sprawl—and appliance overload—by running software applications and virtual appliances as virtual machines on fewer, highly scalable, reliable enterprise class servers. Customers of VMware Infrastructure are often able to consolidate 10 or more virtual machines per physical processor, thereby drastically increasing server utilization and containing server sprawl. Consolidating underutilized servers lowers capital costs by reducing the need to buy additional hardware for new projects, and removing servers from the data center enables a proportional reduction in operational costs for power, cooling and ﬂoor space. As a virtual machine can now address up to 4 processors and 16 gigabytes of memory, up to 95% of current enterprise workloads can be virtualized and consolidated. Enable Enterprise-wide Standardization Because virtualization abstracts the software from the hardware to create portable virtual machines, VMware Infrastructure makes it easier to standardize the data center enterprise-wide. VMware Infrastructure can run most popular operating systems on tower, rack and blade servers from all major hardware vendors, greatly extending the value of existing multi-vendor investments. Streamline IT Operations and Increase Administrator Productivity VMware Infrastructure simpliﬁes labor and resource intensive IT operations such as server provisioning and maintenance across disparate hardware, operating system, and software application environments, allowing fewer IT staff to manage more workloads. Additionally, the uniﬁed platform for monitoring and management provided by VirtualCenter (VMware’s central- Messaging Security Goes Virtual Page 7 ized administration console) dramatically increases system administrator productivity, enabling each system administrator to monitor and effectively manage a larger pool of infrastructure resources. Reduce Business Unit to IT Coordination Costs Perhaps one of the most intractable but least visible consumers of IT staff time is the cost of coordinating with business units. These costs go down dramatically when IT implements VMware Infrastructure because hardware management is separated from software management. Before VMware Infrastructure, for example, IT spent far too much time negotiating hardware downtime windows for business unit applications. Now, hardware downtime can happen at any time because running software can be shifted off hardware that requires maintenance without impacting the business unit, eliminating a whole class of IT administration costs. Streamline Software Development and Testing VMware Infrastructure streamlines software development and testing in many ways. Common time consuming tasks such as conﬁguring servers, provisioning servers and archiving and restoring conﬁgurations are dramatically simpliﬁed to increase developer productivity. Additionally, development, test and staging environments require much less hardware when consolidated onto shared hardware using virtual machines. Finally, the use of virtual machines makes it much easier to increase testing coverage and improve software quality. VMware Infrastructure Simpliﬁes Management VMware Infrastructure uniﬁes the management of all x86-based operating systems onto a single virtual hardware platform that spans the data center. It brings the speed of provisioning, deprovisioning and rollback to real-time levels. It also enforces the discipline of deploying servers based on templates rather than policy, as it takes far less time for the administrator to use a gold master template than to manually create a server. Since virtual infrastructure is homogeneous, and server deployments are consistent, operational risk is dramatically lowered. Securely Centralize Datacenter Management VMware Infrastructure provides simpliﬁed monitoring, management, reporting and remote access across the datacenter from any location with the Virtual Infrastructure Client. There is no need to visit servers for system software and conﬁguration needs. The browser version of the client makes providing a user with access to a virtual machine as easy as sending a bookmark URL. Additionally, VMware Infrastructure provides a uniﬁed management platform across Windows, Linux and NetWare servers. Now administrators learn only one way of provisioning and monitoring systems, instead of one for every version of deployed operating systems. This reduces training costs, and allows greater consistency of policy application across diverse operating systems. Ensure Consistent Server Builds VirtualCenter provisions servers based on templates. By provisioning based on pre-conﬁgured combinations of operating systems and applications, IT managers can ensure that all servers running in the environment match the current best practice for security and conﬁguration. As a result, each Exchange Server looks like every other Exchange Server. The servers built by one administrator look like the servers built by every other one. This means that troubleshooting becomes easier, and the likelihood of an accidental open port, or vulnerable service left active decrease to near-zero levels. Fundamentally, the infrastructure becomes rationalized and eccentric variability disappears. Improve Success Rates for Patch Roll-outs Since the infrastructure is rationalized, and consistent server builds are built-in to virtual infrastructure, IT managers can have the security of knowing that if a patch does not break one server type, it will not break any others. Moreover, exact duplicates of current production systems can be created in a test sandbox server for patch and upgrade testing. This is different Page 8 Messaging Security Goes Virtual from a restored backup or a disk image in that a virtual machine copy is an exact copy of the source system, including the virtual hardware layer. Additionally, with the snapshot and rollback capabilities included in virtual infrastructure, virtual machines with patches that fail in production can be instantly rolled back to the last known good state. Simplify Legacy Software Migration Virtual infrastructure allows legacy applications that require dated legacy operating systems to run unchanged for as long as needed on newer hardware using virtual machines. This has proven to be instrumental in helping companies extend the life and value of legacy software assets while avoid expensive porting costs. Hosting legacy systems in virtual machines greatly increases reliability and reduces maintenance expenses. Virtualization Increases Agility VMware Infrastructure provides the capability for IT to dramatically increase its responsiveness to business unit demands. Since virtual infrastructure cuts the bonds between hardware and software, it gives IT organizations the ﬂexibility to rapidly provision new servers and adjust resources in response to changing business requirements. These beneﬁts also apply to virtual appliances, such as the Proofpoint Messaging Security Gateway Virtual Edition. Instantly Provision New Servers Whether a single new server is needed for a week, or 10 servers are required for an hour, VMware Infrastructure provides powerful instant provisioning capabilities that allow the realtime provisioning and de-provisioning of servers across virtual appliances or operating systems (including Windows, Linux, Solaris x86 and NetWare). IT organizations can implement just-intime server provisioning schemes to allow business units to provision their own servers when needed. Imagine telling a business unit that their new server is up and running and waiting for their login, on the same call that they request a new server. Similarly, scaling out an application, or even performing routine maintenance requests that require server reboots can be performed an order of magnitude faster. These same beneﬁts apply to virtual appliances. For example, additional Proofpoint virtual appliances can be deployed, almost instantaneously, to support increased demand. This capability is especially attractive in today’s dynamic email environment where inbound email volumes can grow extremely rapidly. Virtual appliances provide exceptional agility when it comes to capacity planning. Using VMware Infrastructure, administrators can quickly select the “gold” template for a new server deployment from a library of standard server templates and deploy it to the hardware pool in seconds. VMware Infrastructure performs a ﬁle copy to create a new instance of the selected server template and then conﬁgures it for use. Server deployment becomes such a low cost operation that IT can create servers that would never have been cost-effective to deploy as complete physical servers: for example creating a temporary server for testing beta application software becomes trivial. Compare the seconds to provision a server with VMware Infrastructure to the hours or days that it typically takes using a manual server deployment process, and the cost savings of virtual infrastructure quickly add up. Deliver Utility Computing to Business Units with Guaranteed Service Levels Using resource pools, IT can respond instantly to shifting application and workload requirements to easily align computing resources with business priorities to satisfy guaranteed service levels. IT speciﬁes the rules and priorities that govern virtual machine resource allocation, and the VMware Infrastructure continuously and automatically optimizes the virtual machine placement for maximum hardware utilization, ﬂexibility and availability. This enables IT to provide dedicated infrastructure to business units while still proﬁting from higher hardware utilization gained through resource pooling. With VMware Infrastructure in place, fewer platforms can be deployed and used to ﬂexibly to address changing requirements. Messaging Security Goes Virtual Page 9 Enable All Applications to Beneﬁt from High-End Hardware Performance and Reliability Gains VMware Infrastructure’s makes it cost effective to deploy high-end hardware in the datacenter such as rack servers with redundant components and multi-way blade servers. As the additional cost of high-end servers can be distributed across many more workloads than with lowend hardware, the initial investment in high-end hardware is quickly returned through the improved utilization and reduced operational costs of managing fewer servers. Additionally, each workload can take advantage of the high-end hardware’s increased capabilities as needed to provide superior application performance and reliability for end users. Virtualization Tightens Security VMware Infrastructure delivers a consistent, secure and auditable data center environment that can be assembled from heterogeneous hardware. Operating systems running within virtual machines will still require security management and vulnerability patches, but their stability and security can be greatly improved and access management simpliﬁed with the ﬁne-grained, rolebased access controls enforced by VMware Infrastructure. Centrally Secure and Audit the Data Center Infrastructure Virtual machine conﬁgurations and remote access can be protected with very granular yet ﬂexible access controls, so very few IT staff need direct access to the VMware Infrastructure server hardware. Administrators and end users can remotely perform all server provisioning and conﬁguration actions with comprehensive audit logging to record signiﬁcant operations. Managing access to virtual machines can also be a useful tool to control user access to applications that don’t provide sufﬁcient security on their own. Isolate Faults and Security at the Hardware Level Virtual machines are completely isolated from each other in operation, so an ill-behaved or compromised application cannot impact any other virtual machines in the environment other than through network trafﬁc. Properly conﬁgured, virtual machines can better contain digital attacks though fault isolation, as one virtual machine can’t bring down others. VMware Infrastructure virtual networking gives administrators the ﬂexibility to either isolate virtual machines from the corporate network or to make them full peers with other physical machines on the network. Virtualization Improves Availability VMware Infrastructure can improve application availability by an order of magnitude with zero downtime required for hardware maintenance and server backups, enabling nearly 100% uptime for applications. Additionally, VMware Infrastructure makes it very simple to enable costeffective high availability for all virtual machines with VMware HA. Enable Zero-downtime Maintenance Perhaps one of the most interesting implications of virtual infrastructure is the new ﬂexibility IT management gains in scheduling staff tasks. By allowing hardware maintenance to be decoupled from software maintenance tasks, the amount of administration deferred to downtime windows is dramatically reduced. With VMware Infrastructure, IT can simply place an ESX Server host in maintenance mode and it will automatically migrate all virtual machines to other ESX Server installations in a resource pool, allowing physical server maintenance with zero downtime. Maintenance can be done during prime usage hours, from 8-to-5 instead of scheduling downtime for nights and weekends. Similarly, snapshot copies of running production systems can be taken at any time for debugging or patch testing. Problems with a new patch or a new application upgrade can be investigated ofﬂine without taking the server down for maintenance. This results in the ability to work on problems at the optimal pace and with the staff whose skills best ﬁt the problem. Page 10 Messaging Security Goes Virtual Enable Zero-downtime Backups With VMware’s Consolidated Backup feature, virtual machines can be backed up as virtual disks or with ﬁle level visibility without requiring any downtime or any performance hit on the virtual machine and the LAN. Consolidated Backup takes a virtual machine snapshot after quiescing the guest operating system ﬁle system to ensure ﬁle integrity. The virtual disk snapshots are then mounted by a Windows backup proxy server that can use a standard backup agent to process the backup to tape or disk devices. Provide Advanced Business Continuity Protection with Simple and Rapid Disaster Recovery Traditional high availability solutions are often relatively complex and expensive, and typically reserved for mission critical applications. VMware Infrastructure changes the economics of high availability and makes it accessible for the majority of software applications that have until now been left unprotected. With VMware HA, companies can implement a uniﬁed disaster recovery platform that allows many production virtual machines to be recovered in the event of hardware failure without investing in costly one-to-one mapping of production and DR hardware. VMware HA provides cost-effective high availability for all applications running in virtual machines. Unlike other high availability solutions that are operating system or software application speciﬁc, VMware HA delivers a consistent, easy to manage high availability solution for the entire IT environment as a consistent “ﬁrst line of defense”. The Bottom Line While hardware appliances will remain the most popular deployment method for security applications in the near term, it’s not a stretch to say that virtual appliances, coupled with commodity hardware, will eventually overtake today’s customized, multifunction appliances. This is especially true at enterprises with aggressive virtualization strategies where the signiﬁcant cost savings, coupled with beneﬁts of using superior best-of-breed technology, will far outweigh any perceived performance advantages of proprietary appliances. Virtual security appliances are just beginning to appear today. But it will not be long before they enjoy the same adoption rate as traditional server and storage virtualization. Why? Because like virtualized servers and storage, virtual security appliances such as the Proofpoint Messaging Security Gateway Virtual Edition offer obvious, and extremely rapid, return on investment. Additional Resources To learn more about the Proofpoint Messaging Security Gateway—Virtual Edition, please consult the following online resources. Product Datasheet: Proofpoint Messaging Security Gateway—Virtual Edition Details about features and functions of Proofpoint’s virtual appliance: http://www.proofpoint.com/downloads/DS-Proofpoint-Messaging-Security-Gateway-VirtualEdition.pdf Free Trial Version of the Proofpoint Virtual Appliance Try the Proofpoint Messaging Security Gateway Virtual Edition free for 45 days. It includes Proofpoint’s full suite of inbound email protection modules—including Proofpoint Spam Detection, Proofpoint Virus Protection and Proofpoint Zero-Hour Anti-Virus—along with Proofpoint’s email ﬁrewall and acceptable use policy enforcement features (the Proofpoint Content Compliance module). To get started, simply visit: http://www.proofpoint.com/trial Messaging Security Goes Virtual Page 11 Proofpoint Modules Proofpoint Spam Detection Proofpoint Virus Protection Proofpoint Zero-Hour Anti-Virus Proofpoint Content Compliance Proofpoint Digital Asset Security Proofpoint Regulatory Compliance Proofpoint Secure Messaging Proofpoint Network Content Sentry Webinar Replay: “Virtually” Eliminate Spam and Viruses In this Proofpoint web seminar replay, product experts from Proofpoint and VMware discuss the many beneﬁts of virtualization and how Proofpoint’s virtual appliance brings those beneﬁts to the messaging security market. The latest spam and virus trends are also discussed. http://www.proofpoint.com/virtualizationwebinar More Information on VMware Infrastructure For complete information about VMware Infrastructure, the preferred platform for deploying the Proofpoint Messaging Security Gateway Virtual Edition, please visit VMware’s site at: http://www.vmware.com/products/vi/ About Proofpoint, Inc. Proofpoint provides messaging security solutions for large enterprises to stop spam, protect against email viruses, ensure compliance with corporate policies and regulations and defend against leaks of conﬁdential and proprietary information via email and other message streams. The company’s ﬂagship products, the Proofpoint Messaging Security Gateway™ and Proofpoint Protection Server® provide future-proof messaging security using Proofpoint MLX™ technology, an advanced machine learning system developed by Proofpoint scientists and engineers. ©2006 Proofpoint, Inc. All rights reserved. Portions of this document are copyright of VMware, Inc. and are used by permission. Proofpoint, Proofpoint Protection Server, Proofpoint Spam Detection, Proofpoint Virus Protection, Proofpoint Zero-Hour Anti-Virus, Proofpoint Secure Messaging, Proofpoint Network Content Sentry, Proofpoint Messaging Security Gateway, Proofpoint MLX, Proofpoint Content Compliance, Proofpoint Regulatory Compliance, and Proofpoint Digital Asset Security are trademarks or registered trademarks of Proofpoint, Inc. in the US and other countries. This document shall not be duplicated or used for any purposes other than those for which it is being provided. The information contained herein was originated by and is the property of Proofpoint and except for rights expressly granted by written consent, such information shall not be disclosed or disseminated in whole or in part. Proofpoint reserves all patent, proprietary, design, use, sale, manufacturing and reproduction rights hereto. Version 11/06 REV A For More Information Proofpoint, Inc. 892 Ross Drive Sunnyvale , CA 94089 USA P 408 517 4710 F 408 517 4711 E info@proofpoint.com www.proofpoint.com Proofpoint Japan K.K. 906 BUREX Kojimachi Kojimachi 3-5-2, Chiyoda-ku Tokyo, 102-0083 Japan P +81 3 5210 3611 F +81 3 5210 3615 E sales-japan@proofpoint.com Page 12 Messaging Security Goes Virtual