Fortinet FortiDDoS-VM04 in Dubai, UAE
FortiDDoS-VM04 is the four-vCPU virtual tier in Fortinet’s FortiDDoS portfolio, built for organisations that want dedicated inline DDoS detection and mitigation on supported on-premises virtualization infrastructure. It is not a conventional public-cloud security VM: its data interfaces are designed to sit on physical traffic paths, so topology, server hardware, NIC architecture, and bypass planning matter as much as the license itself.
Enterprise inspected throughput
Small-packet mitigation rate
Documented VM04 memory requirement
Minimum storage requirement
Direct answer: where VM04 fits
FortiDDoS-VM04 is a perpetual-license virtual DDoS protection system for supported VMware ESX/ESXi and KVM environments. Its primary job is to inspect traffic inline, establish normal traffic behaviour, identify abnormal floods, and apply mitigation before protected services are overwhelmed. It is most relevant when an organisation can dedicate suitable server and NIC resources to a physical network path and needs capacity in the VM04 range. Before proceeding, confirm the real peak and attack traffic rates, small-packet exposure, virtualization host design, DPDK/SR-IOV capability, number of protected service groups, external bypass plan, high-availability design, support term, and whether optional IP or domain reputation subscriptions are required.
What FortiDDoS-VM04 does
The product is positioned inline so that traffic destined for protected networks crosses the FortiDDoS data path. Fortinet’s FortiDDoS architecture uses adaptive traffic baselines and full packet inspection rather than relying only on static attack signatures. This approach is intended to identify deviations from legitimate behaviour across network, transport, and selected application-layer patterns, then enforce mitigation policies within Service Protection Profiles.
For the VM04 tier, the sizing ceiling is especially important. Fortinet lists 3 Gbps of enterprise inspected throughput, 4 Mpps of small-UDP inspected throughput, and 2.6 Mpps for SYN validation in its current ordering guidance. Those figures depend strongly on the host platform and network I/O architecture, so they should be treated as engineering reference points rather than guaranteed production results.
Who should consider it
VM04 can suit enterprises, public-sector environments, education networks, hosting operations, and organisations operating internet-facing applications where a dedicated DDoS mitigation layer is required but a virtual form factor is preferred. It is especially relevant when the buyer already operates a controlled on-premises virtualization environment and can reserve server CPU, memory, storage, PCIe capacity, and suitable NIC resources for the security workload.
It is a poor fit when the intended deployment is simply “spin up a VM in AWS, Azure, or Google Cloud.” Fortinet specifically states that FortiDDoS VMs are not suitable for those public-cloud service environments because the data ports do not carry IP addresses and must be attached to physical links. For public-cloud DDoS needs, a different architecture should be evaluated.
Business problems this virtual appliance is intended to address
Volumetric service disruption
High-volume packet floods can exhaust upstream links, server resources, state tables, or application capacity. VM04 provides an inline control point for identifying traffic anomalies and enforcing rate-based or behavioural mitigation within its supported capacity.
Small-packet attack pressure
DDoS sizing cannot be based on gigabits alone. A relatively modest bandwidth attack can generate very high packet-per-second pressure. VM04 therefore has both Gbps and Mpps limits that must be compared with the organisation’s risk profile.
Manual response delays
FortiDDoS is designed to learn normal traffic patterns and react to anomalous behaviour automatically. This can reduce dependence on an operator manually creating an emergency filter for every event, while still requiring sensible policy design and operational monitoring.
Visibility during attacks
Mitigation is only part of the operational requirement. Security teams also need traffic statistics, attack events, reporting, and enough context to distinguish a genuine incident from unusual but legitimate demand.
Is VM04 the right size?
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| Traffic scale | Normal and attack traffic can be engineered within the VM04 performance range. | Peak Gbps, packets per second, directionality, and realistic growth margin. |
| Virtual infrastructure | The organisation can dedicate a supported VMware or KVM host with appropriate CPU and NIC architecture. | Hypervisor release, VT support, DPDK/SR-IOV design, PCIe layout, NIC model, and resource reservation. |
| Protected service groups | Four Service Protection Profiles are enough for the intended segmentation. | How applications, subnets, tenants, or business services need to be separated for policy and reporting. |
| Availability design | The buyer has a clear plan for HA and traffic continuity. | VM pair design, server redundancy, external bypass, switching, routing, and maintenance procedures. |
| Public cloud expectation | The VM remains on supported on-premises infrastructure attached to physical links. | Do not select VM04 for a standard AWS, Azure, or Google Cloud instance deployment. |
Verified FortiDDoS-VM04 technical information
The following values are drawn from current Fortinet FortiDDoS data-sheet and ordering information. Performance is dependent on the underlying platform, and Fortinet’s published results use a high-performance bare-metal server configuration with DPDK functionality and SR-IOV NICs. Production sizing should therefore include a review of the intended host and interface design.
| Product identity and platform | |
| Brand | Fortinet |
| Product | FortiDDoS-VM04 |
| Manufacturer SKU | FDD-VM04 |
| Product type | Virtual DDoS protection system |
| License form | Perpetual VM license; support and optional reputation services are ordered separately as applicable. |
| Hypervisor support | VMware ESX/ESXi 6.x / 7.x with hardware-assisted virtualization enabled; KVM from libvirt 6.0.0. |
| vCPU support | 4 vCPU cores |
| Memory requirement | 16 GB |
| Storage requirement | At least 200 GB |
| Network interface support | 8 interfaces, arranged as 4 bridged port-pairs in promiscuous mode; interface speed depends on host hardware. |
| Management interfaces | 2 |
| Performance and protection scale | |
| Enterprise inspected throughput | 3 Gbps |
| Small UDP inspected throughput | 4 Mpps |
| SYN validation throughput | 2.6 Mpps |
| Mitigation rating | 3 Gbps / 4 Mpps under Fortinet’s stated test conditions. |
| Service Protection Profiles | 4 maximum |
| Protected subnets | Up to 512 per SPP in current ordering guidance. |
| High availability | Supported across FortiDDoS models; final HA design is configuration dependent. |
| Traffic bypass | VMs do not provide native traffic bypass. External bypass is required for most deployments. |
| Optional services | IP Reputation and Domain Reputation subscriptions are optional and not required for core enterprise DDoS mitigation. |
| Support options | Fortinet ordering guidance lists 1-, 3-, and 5-year 24×7 support SKUs for VM04. |
| Public cloud deployment | Not suitable as a standard VM in AWS, Azure, or Google Cloud; data ports must be attached to physical links. |
Configuration and deployment dependencies that can change the result
A FortiDDoS VM purchase is not complete when the license key is delivered. Fortinet’s ordering guidance explicitly ties the published VM performance to DPDK-capable CPUs and SR-IOV network interfaces using suitable PCIe x8 buses. Without that architecture, the VM can perform significantly below the published figures and may be limited to Gigabit Ethernet links regardless of the CPU license. Fortinet also recommends a bare-metal server and advises that NICs should not share PCIe buses with other applications.
The bypass design is another practical dependency. Physical FortiDDoS appliances may include integrated bypass capabilities depending on model and interface type, but the VM relies on the underlying network design. Fortinet notes that VM deployments do not support traffic bypass directly, so an external bypass mechanism is required for most designs. This should be planned before procurement rather than added after the VM becomes an inline dependency.
The final protection policy also depends on the number and purpose of Service Protection Profiles, protected subnets, application mix, legitimate traffic seasonality, and whether reputation services are licensed. If IP or Domain Reputation is enabled, the associated subscription state and database behaviour should be managed carefully. Optional reputation services should never be assumed to be included with the base FDD-VM04 license.
A practical purchase and deployment journey
Measure the traffic
Collect real peak bandwidth, packet-rate data, protocol mix, normal seasonal peaks, upstream link sizes, and attack history. VM04 should be sized against both Gbps and Mpps.
Validate the host
Check supported hypervisor version, CPU capabilities, memory, storage, NIC model, SR-IOV, DPDK, PCIe bus placement, physical interfaces, and resource reservation.
Design the inline path
Map routers, switches, firewalls, server zones, traffic direction, port pairs, management networks, HA behaviour, maintenance flow, and external bypass.
Confirm licensing
Separate the perpetual FDD-VM04 entitlement from support duration and optional IP or Domain Reputation subscriptions. Build the complete bill of materials.
Deploy and baseline
Install the VM, verify interface performance, establish profiles and protected subnets, allow valid baseline learning, test visibility, and document change procedures before full enforcement.
Adaptive traffic baselines and full packet inspection
A defining characteristic of the FortiDDoS platform is its behavioural approach to detection. Instead of assuming that every attack will match a previously known signature, the system is designed to learn normal traffic patterns for protected services and identify deviations across a large set of traffic parameters. This is important for DDoS defence because a packet can be syntactically valid yet still contribute to a denial-of-service event when its rate, source distribution, destination pattern, protocol behaviour, or transaction characteristics become abnormal.
For a buyer, the operational benefit is not that the appliance can “guarantee” an attack will never affect a service; no responsible DDoS architecture can make that promise. The value is that the inline control point continuously evaluates traffic and can apply mitigation without waiting for an engineer to build every filter from scratch. That is particularly useful for attacks that change characteristics during the event or exploit legitimate protocols at abnormal scale.
The quality of the baseline matters. A new deployment should not be treated as a set-and-forget insertion. Business teams should identify predictable spikes such as ticket releases, payroll runs, enrolment windows, livestream events, promotional campaigns, month-end jobs, software distribution, or API batch processing. Those patterns can influence what “normal” looks like. Security operations should also agree on who reviews attack logs, who can change thresholds, how false positives are handled, and how emergency communication with upstream providers works.
Virtualization performance is an engineering decision, not only a license decision
VM04 is attractive because it gives organisations a virtual form factor, but the word “virtual” can create the wrong expectation. This is not an ordinary infrastructure VM that can be placed on any busy cluster and still be expected to deliver its data-sheet rate. DDoS mitigation can involve very high packet-per-second workloads, and packet processing stresses memory paths, CPU scheduling, NIC queues, interrupt handling, and PCIe bandwidth differently from a general business application.
Fortinet’s own guidance makes DPDK and SR-IOV central to the published VM performance. DPDK is used to improve packet-processing efficiency, while SR-IOV allows virtualized workloads to access network interface resources with less hypervisor overhead. The server’s PCIe topology also matters: placing multiple heavy workloads on the same bus can create contention even when headline CPU and memory numbers look sufficient. This is why a dedicated or carefully engineered bare-metal host is recommended.
FourTeck can help translate these requirements into a practical pre-order checklist, but the customer’s server and networking teams should be involved early. The quote should not be approved until the host model, processor, NIC type, available ports, physical cabling, virtualization version, and redundancy design are known. If the environment cannot meet these prerequisites, a hardware FortiDDoS appliance may be a more predictable choice even if the VM license initially appears more flexible.
Operational visibility, segmentation, and resilience planning
FortiDDoS-VM04 supports four Service Protection Profiles. An SPP is more than a convenient folder: it is a way to apply and observe protection behaviour for a defined set of protected services or subnets. A business with a small number of application zones may find four profiles sufficient, while a hosting provider or highly segmented enterprise could need more policy separation and therefore a larger VM tier or different architecture.
The current ordering guide lists up to 512 protected subnets per SPP for VM04, but buyers should not interpret that number as a reason to pack unrelated services into a single profile. The more useful question is how the organisation wants to distinguish traffic behaviour, ownership, reporting, change authority, and response procedures. A customer portal, DNS service, public API, remote-access gateway, and education platform can have very different traffic baselines even when they share a data centre.
Resilience deserves equal attention. Fortinet states that FortiDDoS models support high availability, but HA is not automatically created by purchasing one VM. It requires a suitable design, additional licensing where applicable, redundant host and network resources, synchronisation planning, management access, test procedures, and an external bypass strategy. The DDoS device should not become a new single point of failure in an effort to protect against outages.
Business environments where VM04 can make sense
Enterprise internet edge
An enterprise operating public web applications, APIs, VPN gateways, email infrastructure, or partner-facing services may use VM04 as a dedicated inline DDoS layer where its traffic scale and host prerequisites fit.
Education and public services
Universities, colleges, public-sector systems, and online service portals can experience sharp legitimate usage peaks as well as attack traffic. Baseline quality and careful capacity planning are especially important in these environments.
Hosting and controlled multi-service environments
Smaller hosting environments can use SPPs to separate protection policies for defined service groups, provided four profiles and the VM04 capacity ceiling are sufficient. Larger or heavily multi-tenant environments may need VM08, VM16, or hardware appliances.
Integration and operational considerations
Because FortiDDoS is an inline component, the integration discussion has to include the complete traffic path. Identify which physical links carry protected traffic, whether traffic is symmetric, how routing or switching behaves during maintenance, where upstream filtering occurs, and what happens if the VM host, NIC, hypervisor, or management plane becomes unavailable. A diagram that includes routers, firewalls, load balancers, server segments, bypass devices, and management networks is more useful than a simple list of products.
FortiDDoS does not replace every other control. Firewalls still enforce security policy, load balancers still distribute application sessions, web application firewalls still provide application-specific protections, and upstream carriers may still be required when an attack exceeds the bandwidth of the organisation’s internet links. A sound DDoS design considers where each mitigation layer is most effective. For larger volumetric events, hybrid coordination with external scrubbing may be relevant; scope and compatibility should be confirmed for the specific network.
Logging and monitoring should also be connected to existing operational processes. Decide which attack events need alerting, what evidence is retained, who receives notifications, whether data is forwarded to a central monitoring platform, and how post-incident analysis is performed. Operational ownership should be documented before enforcement becomes business-critical.
Questions to resolve before requesting a quote
Share average and peak Gbps, peak packets per second, upstream link speed, known attack history, and expected growth. A 2 Gbps link does not automatically mean a 3 Gbps VM is sufficient if small-packet rates are the dominant risk.
Map applications, subnets, customers, or service classes to the four available SPPs. If operations require more independent policy domains, consider a higher VM tier or alternative design.
Confirm CPU, 16 GB memory, 200 GB storage, DPDK, SR-IOV, NIC model, PCIe x8 arrangement, available ports, and whether the workload can be isolated from competing applications.
Specify external bypass, HA strategy, host redundancy, cabling, switching, failover tests, and change windows. The continuity design should be agreed before the VM is placed inline.
Procurement checklist for FortiDDoS-VM04
How FourTeck can assist with sizing and quotation
A useful FortiDDoS quotation begins with a short engineering discovery rather than a product code alone. FourTeck can review the proposed use case, traffic scale, host platform, interface design, licensing requirement, support term, and implementation scope before the bill of materials is finalised. This helps separate the base perpetual VM entitlement from FortiCare and any optional IP or Domain Reputation services, reducing the risk of an incomplete order.
Where the deployment design is still being developed, FourTeck can also help the buyer identify the questions that need answers from server, network, security, and procurement teams. For broader project assistance, see FourTeck security and infrastructure services or review Fortinet solutions in Dubai when the DDoS layer is being planned alongside firewall modernization.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for FDD-VM04, FortiCare, and any optional FortiGuard services. Availability can depend on license type, quantity, vendor processing, regional entitlement requirements, and the exact support term. A virtual product may be electronically fulfilled, but the overall project can still depend on server readiness, network-interface availability, external bypass equipment, change windows, and installation scope.
For a precise UAE quotation, provide the desired quantity, virtualization platform, host location, traffic figures, support duration, reputation-service requirements, and whether FourTeck should include implementation or configuration assistance. Delivery and project coordination can then be discussed after the exact requirement is confirmed. Pricing should be treated as quotation-specific because enterprise security licensing and support terms can change over time.
Dubai, Abu Dhabi, Sharjah, and Ajman coverage
FourTeck can coordinate requirement review, quotation preparation, license planning, and project discussions for organisations in Dubai, Abu Dhabi, Sharjah, and Ajman. The same engineering questions apply across the UAE: where the VM will be hosted, how traffic reaches its bridged port pairs, what packet rate must be handled, whether external bypass and HA are required, and what implementation responsibilities belong to the customer or service provider. For organisations with multiple UAE sites, the design should also clarify whether protection is centralised in one data centre or required at more than one internet edge.
GCC Availability
FourTeck can assist organisations planning FortiDDoS projects across GCC markets with requirement review, VM sizing, license selection, quotation coordination, configuration scope, and deployment planning. The FortiDDoS-VM04 architecture should be evaluated against the destination environment rather than ordered solely from a central product list. Buyers in the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain, and Oman may have different hosting platforms, service-provider handoffs, procurement processes, license-region considerations, and project schedules. Product availability, electronic license fulfilment, FortiCare options, optional reputation subscriptions, installation services, and vendor lead times can vary by country and requirement. Share the destination country, exact SKU, quantity, hypervisor platform, target deployment site, preferred support term, and required timeline so the quotation can reflect the actual project. For regional enquiries, FourTeck’s Kuwait technology resource and regional contact team can help route the requirement appropriately.
Africa Availability
For organisations evaluating FortiDDoS-VM04 in Africa, FourTeck can help structure the procurement discussion around the exact software entitlement, host platform, network interfaces, subscription choices, implementation scope, and ongoing support needs. Availability and fulfilment can depend on the destination country, license region, quantity, vendor processing, shipping requirements for any supporting hardware, local power or rack conditions for the virtualization host, and the practical ability to place the VM on physical network links. Buyers should share the destination, intended deployment architecture, required quantity, support duration, planned go-live window, and whether remote or on-site assistance is expected. East African projects, including Kenya and Uganda, can also be coordinated through FourTeck’s regional resources, while broader requirements can start through the FourTeck Africa technology portal. No local inventory, delivery date, or country-wide onsite coverage should be assumed until the project is reviewed.
Related options worth evaluating
FortiDDoS-VM08
Consider VM08 when the VM04 profile is too small for traffic volume, packet rate, or the number of Service Protection Profiles. The official portfolio steps to 8 vCPUs, 5 Gbps / 6 Mpps, and 8 SPPs.
FortiDDoS-VM16
VM16 is the larger virtual tier and should be assessed when higher virtual capacity is needed. It is listed at 16 vCPUs, 10 Gbps / 10 Mpps, and 16 SPPs, subject to the same host-performance engineering principles.
FortiDDoS hardware appliances
A hardware model may be more suitable when the buyer wants a purpose-built appliance, integrated interface options, higher capacity, or a simpler path to predictable packet-processing performance and bypass capabilities.
Fortinet network security stack
DDoS mitigation can sit alongside firewall, application security, logging, and switching controls. Review Fortinet UAE solutions to plan the wider architecture without treating FortiDDoS as a replacement for every adjacent control.
Why businesses contact FourTeck for FortiDDoS planning
The most useful assistance on a specialised security product is usually requirement clarification. A buyer may know that DDoS protection is needed but still need to decide whether VM04 is large enough, whether a virtual form factor is operationally sensible, which support term belongs on the quote, how many profiles are needed, or whether an optional reputation subscription has a valid business case. FourTeck can help organise these decisions and convert them into a bill of materials that procurement can review.
The discussion can also include compatibility review, deployment planning, configuration scope, migration from an existing DDoS platform, testing expectations, documentation, and handover. Where the project includes other data-centre changes, the broader FourTeck technology portfolio can be considered without assuming that every component is required. The objective is to build a technically coherent request rather than simply attach more products to the order.
What buyers usually need to know before sizing FortiDDoS-VM04
A 3 Gbps rating does not mean every 3 Gbps environment is automatically a fit
Buyers often begin with internet-circuit speed because it is the easiest number to find. DDoS engineering needs a second dimension: packet rate. A flood made of very small packets can consume packet-processing resources well before the same bandwidth would be reached with larger application transactions. Fortinet therefore publishes both enterprise inspected throughput and Mpps figures for the VM tiers. For VM04, the relevant references are 3 Gbps enterprise inspected throughput, 4 Mpps small-UDP inspected throughput, and 2.6 Mpps SYN validation. A sensible design compares all three to realistic attack scenarios and keeps room for normal growth, traffic bursts, and host-performance variation.
This is also why a buyer should share more than the WAN circuit size. Useful information includes average packet size, protocol distribution, peak sessions or request rates where known, which services are most business-critical, and whether attacks are likely to arrive through one or several upstream connections. If the traffic profile is close to a VM04 limit, moving to VM08 or a hardware appliance can provide a cleaner engineering margin than trying to force the smaller tier to operate continuously at its ceiling.
“Virtual appliance” does not mean “public cloud appliance”
One of the most important distinctions for FortiDDoS-VM04 is where it can actually sit in the network. The product is virtualized, but Fortinet explicitly states that FortiDDoS VMs are not suitable for normal deployment in AWS, Azure, or Google Cloud. The reason is architectural rather than commercial: FortiDDoS data ports have no IP addresses and the mitigation system needs to be attached to physical links. In effect, the VM behaves like an inline bump in the wire rather than a routed cloud security instance.
That makes the on-premises server and network topology part of the product. The host must provide the right NICs and physical connectivity, and the network team must be able to steer protected traffic across the bridged port pairs. If the requirement is to protect workloads that live entirely inside a hyperscale cloud, start with the cloud provider’s DDoS architecture or another cloud-compatible Fortinet design rather than buying VM04 on the assumption that any virtual product can run anywhere.
Performance depends on how the host moves packets
General virtualization sizing tends to focus on CPU count and RAM. VM04 needs four vCPUs and 16 GB memory, but those two values are only the starting point. Fortinet’s ordering guide ties stated performance to DPDK CPUs, SR-IOV NICs, and PCIe x8 buses. It also recommends that NICs do not share PCIe buses with other applications and recommends a bare-metal server. Without the accelerated architecture, Fortinet notes that VM links are limited to Gigabit Ethernet regardless of the licensed CPU count.
This means a quotation should be accompanied by a host-readiness check. Ask for the exact server model, CPU family, NIC part numbers, slot placement, available physical ports, hypervisor release, and whether the security workload will be resource-reserved. If the server team cannot verify these points, the risk is not simply lower benchmark performance; it can lead to an inline security control that becomes the bottleneck during the very attack it was purchased to absorb.
The base license, support, and reputation services are separate decisions
The current Fortinet ordering guide identifies FDD-VM04 as the perpetual VM license. It separately lists 1-, 3-, and 5-year 24×7 support options and separate IP Reputation and Domain Reputation subscription families. Buyers sometimes receive a budgetary number for the base VM and assume the total project cost is known. A complete comparison should show the entitlement, support term, optional security services, implementation work, and any host or bypass hardware required.
Reputation services should be chosen because they support the intended policy, not because they happen to appear in a price list. Fortinet’s own ordering guidance states that IP and Domain Reputation subscriptions are optional and not required for core enterprise DDoS mitigation. If a reputation feature will be used, confirm the correct subscription and operational process. Fortinet has documented that expired or absent reputation licensing can affect policy behaviour if the associated feature is left enabled, so subscription lifecycle management belongs in the operational plan.
How to prepare a useful quotation request
A strong request contains enough information for technical and commercial teams to work from the same assumptions. Include the exact SKU FDD-VM04, quantity, current internet-link sizes, peak bandwidth and packet rates, protected services, number of required policy groups, hypervisor version, server specifications, NIC details, high-availability expectation, external bypass strategy, desired FortiCare term, optional reputation-service requirement, project location, and target implementation window. Also state whether the quote should include configuration, testing, documentation, migration, or knowledge transfer. This avoids comparing a bare license from one supplier with a complete engineered solution from another.
Published web prices for specialised enterprise security products can vary significantly by region, discount level, support bundle, tax treatment, and date. FourTeck therefore treats online price references as indicative only and prepares the commercial offer against the current requirement. If budget approval needs an initial range, explain whether you are budgeting the perpetual VM only or the complete first-year project cost. Those are very different numbers and should not be mixed in procurement discussions.
Decision desk: questions that prevent a poor-fit deployment
Can VM04 be placed between the edge router and firewall?
Often that is a logical place to evaluate because the device is an inline DDoS control, but the correct position depends on routing, address translation, asymmetric paths, bypass requirements, and where traffic visibility is most useful. Build the topology first and verify the supported design before cabling.
Does four SPPs mean only four protected applications?
No. An SPP can contain protected subnets, and the ordering guide lists up to 512 subnets per SPP for VM04. The practical limit is policy design: group services that genuinely share similar traffic behaviour and operational ownership rather than using the subnet capacity as the only planning measure.
What if the proposed server is shared with other high-I/O workloads?
That should trigger a deeper review. Fortinet recommends a bare-metal server and says NICs should not share PCIe buses with other applications. A heavily shared host can introduce contention and unpredictable packet-processing performance, undermining the reason for deploying a dedicated DDoS control.
When does external bypass become a procurement item?
Treat it as a design item from the beginning. Fortinet states that the VM does not support traffic bypass and that external bypass is required for most VM deployments. The appropriate method depends on physical links, failure policy, HA design, and maintenance expectations.
What information helps decide between VM04 and VM08?
Provide both Gbps and Mpps measurements, the number of protection domains, host capacity, growth expectations, and attack history. VM08 increases the virtual tier to 8 vCPUs, 5 Gbps / 6 Mpps, and 8 SPPs, so it can be justified by scale or segmentation rather than bandwidth alone.
How should the security team prepare for baseline learning?
Identify known legitimate peaks, maintenance windows, batch processes, campaigns, academic registration periods, large software releases, or other events that can alter traffic behaviour. Document who reviews learned thresholds and who approves policy changes before moving from observation to full mitigation.
Frequently asked questions
What is Fortinet FortiDDoS-VM04?
It is a FortiDDoS virtual DDoS protection system licensed for up to four vCPU cores. The manufacturer SKU is FDD-VM04, and it is designed for supported on-premises virtualization platforms attached to physical network links.
What throughput does VM04 support?
Fortinet lists 3 Gbps enterprise inspected throughput and 4 Mpps small-UDP inspected throughput, with 2.6 Mpps SYN validation. Actual performance depends on the host hardware and network I/O design.
Which hypervisors are documented for FortiDDoS-VM04?
Current Fortinet data-sheet guidance lists VMware ESX/ESXi 6.x / 7.x with hardware-assisted virtualization enabled and KVM from libvirt 6.0.0. Confirm the intended release against current vendor documentation before deployment.
Can FortiDDoS-VM04 run in AWS, Azure, or Google Cloud?
Not as a standard public-cloud VM deployment. Fortinet states that FortiDDoS VMs are not suitable for those cloud service environments because the data ports have no IP addresses and must be attached to physical links.
Are IP and Domain Reputation services included?
They should not be assumed to be included. Fortinet lists them as optional subscriptions for VM04, while the core DDoS mitigation platform can operate without those optional reputation services.
How much memory and storage are required?
The current Fortinet data sheet specifies 16 GB of memory for VM04 and at least 200 GB of storage. Host CPU, NIC architecture, and PCIe design also affect achievable performance.
Does VM04 support high availability?
Fortinet states that all FortiDDoS models offer high availability. A working HA deployment still requires the appropriate licenses, host resources, interfaces, network design, synchronisation, and failover testing.
What support terms are available for VM04?
Fortinet’s current ordering guide lists 1-, 3-, and 5-year 24×7 support options for FortiDDoS-VM04. The exact support SKU and commercial terms should be confirmed when the quotation is prepared.
How can I get a Dubai or UAE quote for FDD-VM04?
Send FourTeck the quantity, deployment location, peak traffic and packet-rate information, hypervisor and server details, support term, subscription needs, and required implementation scope. Current availability and price can then be confirmed for the UAE requirement.
Build the VM04 quote around your real traffic path
Share your internet capacity, packets-per-second profile, server and NIC design, number of protected service groups, support term, and desired implementation scope. FourTeck can help confirm whether VM04 is an appropriate fit or whether another FortiDDoS tier should be evaluated.


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