Finding the best secure DNS appliance involves balancing security, performance, and ease of management. The FortiGate-60F stands out as the best overall choice, offering robust protection with flexible deployment. For smaller networks, the Sophos XGS 88 provides a good mix of features at a lower price, while the FortiGate-120G delivers advanced capabilities for larger organizations. Each option comes with tradeoffs—such as cost versus features or complexity versus simplicity. Continue reading to see how these products compare and which suits your specific needs.
Key Takeaways
- The top picks balance security features with ease of management, making them suitable for different organizational sizes.
- Higher-end appliances tend to include advanced threat protection, SD-WAN, and VPN features, but come with increased complexity and cost.
- Budget-friendly options like the Sophos XGS 88 can deliver solid protection without overwhelming smaller networks or less experienced users.
- Performance varies significantly, with some appliances offering multi-gbps throughput, crucial for high-traffic environments.
- Ease of deployment and ongoing management are often overlooked but are critical to maintaining security without administrative headaches.
| FortiGate-60F Network Security Appliance with 1 Year FortiGuard Enterprise Protection and FortiCare Premium |  | Best Overall for Enterprise-level Security | Model: FortiGate-60F | Protection Duration: 1 year | Security Features: CASB, DLP, AI-driven malware prevention | VIEW LATEST PRICE | See Our Full Breakdown |
| SonicWall TZ370 Gen7 Firewall |  | Best for Growing SMBs with High Performance Needs | Interfaces: Multi-Gigabit (2.5/5 G) | Security Features: DPI-SSL, IPS, anti-malware | SD-WAN: Yes | VIEW LATEST PRICE | See Our Full Breakdown |
| Sophos XGS 108 (Gen2) Network Security Appliance with 3 Years Xstream Protection |  | Best for SMBs Needing High Security and Manageability | Ports: 6 x 2.5 GE copper, 1 SFP fiber | Performance: up to 12.5 Gbps | Protection: Xstream, zero-day, sandboxing | VIEW LATEST PRICE | See Our Full Breakdown |
| Sophos XGS 88 (Gen2) Network Security Appliance (XG88ZZ00ZZPCUS) | 4 x 2.5 GE Ports | Threat Protection, SD-WAN, VPN, Management |  | Best Compact Firewall for Small Offices | Model: XGS 88 (Gen2) | Ports: 4 x 2.5 GE | Performance: up to 9.9 Gbps | VIEW LATEST PRICE | See Our Full Breakdown |
| SonicWall TZ280 2.5 Gbps Next-Gen Firewall Appliance |  | Best for Small Businesses and Branch Offices | Performance: Up to 2.5 Gbps | Threat Prevention: 1 Gbps | VPN Throughput: 1.2 Gbps | VIEW LATEST PRICE | See Our Full Breakdown |
| FortiGate-90G Network Security Appliance with 1 Year FortiGuard UTP and FortiCare Premium |  | Best for Enterprise-Level Security and Comprehensive Threat Protection | Model: FortiGate-90G | Includes: 1 year FortiCare Premium, FortiGuard UTP | Features: ATP, DNS filtering, URL filtering, video filtering, anti-botnet, C2 communications | VIEW LATEST PRICE | See Our Full Breakdown |
| FortiGate-60F Network Security Appliance with 1 Year FortiGuard and FortiCare Premium |  | Best for Mid-Sized Businesses Needing Reliable Threat Protection | Model: FG-60F | Security Services: 1 Year FortiGuard UTP and FortiCare Premium | Intended Use: Medium-sized businesses | VIEW LATEST PRICE | See Our Full Breakdown |
| Sophos XGS 118 (Gen2) Network Security Appliance (XG118Z00ZZPCUS) |  | Best for High-Performance, Visibility, and SD-WAN Integration | Ports: 9 x 2.5 GE copper, 1 SFP fiber | Performance: Up to 15.5 Gbps firewall throughput | Purpose: Next-generation hardware for high performance and visibility | VIEW LATEST PRICE | See Our Full Breakdown |
| FortiGate-120G Network Security Appliance with 5-Year FortiGuard and FortiCare Premium |  | Best for Long-Term, High-Security Enterprise Deployments | Model: FortiGate-120G | Protection Duration: 5 years | Services Included: FortiCare Premium, FortiGuard UTP | VIEW LATEST PRICE | See Our Full Breakdown |
| FortiGate-40F Firewall Appliance with 1 Year FortiCare Premium and FortiGuard UTP |  | Best for Small to Mid-Sized Businesses Needing Compact Security | Model: FortiGate-40F | Includes: 1 Year FortiCare Premium, FortiGuard UTP | Protection Features: DNS filtering, URL filtering, Video filtering, Botnet controls | VIEW LATEST PRICE | See Our Full Breakdown |
| secure dns appliance | Model |
|---|---|
| FortiGate-60F Network Security | FortiGate-60F |
| SonicWall TZ370 Gen7 Firewall | — |
| Sophos XGS 108 | — |
| Sophos XGS 88 | XGS 88 (Gen2) |
| SonicWall TZ280 2.5 Gbps Next- | — |
| FortiGate-90G Network Security | FortiGate-90G |
| FortiGate-60F Network Security | FG-60F |
| Sophos XGS 118 | — |
| FortiGate-120G Network Securit | FortiGate-120G |
| FortiGate-40F Firewall Applian | FortiGate-40F |
More Details on Our Top Picks
FortiGate-60F Network Security Appliance with 1 Year FortiGuard Enterprise Protection and FortiCare Premium
The FortiGate-60F stands out for its comprehensive security suite tailored to complex networks. It includes advanced features like CASB, DLP, and AI-driven malware prevention, making it ideal for organizations that require robust, layered defenses. Compared with the SonicWall TZ370, the FortiGate offers deeper enterprise integrations but comes with a higher cost and steeper learning curve. Its extensive protection and support services justify the investment for large or security-sensitive environments, though small businesses or those with limited technical resources might find it overwhelming. This appliance is a solid choice for enterprises seeking dependable, all-in-one security with premium support, despite the premium price and complexity involved.
Pros:- Comprehensive security features including CASB and DLP
- Includes 1 year of FortiGuard protection and premium support
- Designed for complex, enterprise environments
Cons:- High cost may be prohibitive for smaller organizations
- Requires significant technical expertise to configure and maintain
Best for: Large enterprises or organizations with complex security needs and dedicated IT teams
Not ideal for: Small businesses or startups with limited budgets and minimal IT support
- Model:FortiGate-60F
- Protection Duration:1 year
- Security Features:CASB, DLP, AI-driven malware prevention
- Support:FortiCare Premium
Our verdict“This appliance is best suited for large organizations seeking enterprise-grade security and support, accepting higher costs and complexity.”
SonicWall TZ370 Gen7 Firewall
The SonicWall TZ370 delivers multi-gigabit throughput along with SD-WAN capabilities, making it well-suited for growing SMBs that need scalable security solutions. Its advanced threat protection, including DPI-SSL inspection and intrusion prevention, outperforms basic firewalls like the Sophos XGS 88 in raw throughput and security depth. However, it does not include a subscription, meaning ongoing security features will require additional costs, and setup can be complex for less experienced users. Its high performance and centralized management make it an excellent choice for SMBs that prioritize speed and security, provided they are prepared for the recurring expenses and technical setup.
Pros:- High throughput suitable for growing networks
- Includes SD-WAN for optimized traffic
- Advanced threat protection features
Cons:- No included security subscription, additional costs apply
- Setup may be complex for non-technical users
Best for: SMBs expanding their network infrastructure and needing scalable, high-speed security
Not ideal for: Small offices or startups with tight budgets and limited IT expertise
- Interfaces:Multi-Gigabit (2.5/5 G)
- Security Features:DPI-SSL, IPS, anti-malware
- SD-WAN:Yes
- Connections Supported:up to 1,000,000
Our verdict“Ideal for SMBs requiring robust throughput and security scalability, despite potential setup complexity and ongoing costs.”
Sophos XGS 108 (Gen2) Network Security Appliance with 3 Years Xstream Protection
The Sophos XGS 108 (Gen2) offers a compelling package for small to medium businesses aiming for comprehensive security with high throughput. Its zero-day protection, cloud sandboxing, and intrusion prevention make it more feature-rich than the Sophos XGS 88, but this comes with increased complexity and ongoing subscription costs. The centralized management through Sophos Central simplifies policy control, making it suitable for organizations with dedicated IT support. However, smaller firms without in-house expertise might find initial setup and ongoing renewal costs challenging. This appliance balances advanced security with manageability, making it a solid investment for security-conscious SMBs.
Pros:- Comprehensive security including zero-day defense
- High-performance throughput (up to 12.5 Gbps)
- Centralized management simplifies policy updates
Cons:- Requires ongoing subscription renewal
- More complex setup than entry-level models
Best for: SMBs with dedicated IT resources needing advanced security management
Not ideal for: Very small businesses or those without IT support due to complexity and subscription costs
- Ports:6 x 2.5 GE copper, 1 SFP fiber
- Performance:up to 12.5 Gbps
- Protection:Xstream, zero-day, sandboxing
- Management:Sophos Central
- Subscription:3 years
Our verdict“Best suited for SMBs wanting advanced, manageable security with high throughput, despite ongoing costs.”
Sophos XGS 88 (Gen2) Network Security Appliance (XG88ZZ00ZZPCUS) | 4 x 2.5 GE Ports | Threat Protection, SD-WAN, VPN, Management
The Sophos XGS 88 (Gen2) offers a compact, high-performance solution ideal for small offices or branch locations. Its hardware-only design makes it quick to deploy, with firewall throughput up to 9.9 Gbps and support for SD-WAN, VPN, and threat protection. However, the full suite of security features depends on additional subscriptions, which can add to ongoing costs. Its hardware-only nature means less flexibility for future upgrades or software-only management, making it best for straightforward small setups. For those requiring a quick-to-implement, high-speed firewall with basic threat protection, this model fits well, provided they budget for subscriptions.
Pros:- High firewall performance in a compact form
- Supports SD-WAN and VPN for remote connectivity
- Easy, hardware-only deployment
Cons:- Additional subscription costs for full threat protection
- Lacks software support or hardware upgrade flexibility
Best for: Small offices or branch sites needing quick deployment and reliable security
Not ideal for: Organizations seeking integrated support or flexible hardware/software options
- Model:XGS 88 (Gen2)
- Ports:4 x 2.5 GE
- Performance:up to 9.9 Gbps
- Features:Threat Protection, SD-WAN, VPN
- Hardware Only:Yes
Our verdict“Perfect for small offices needing a straightforward, high-performance security appliance with minimal setup fuss.”
SonicWall TZ280 2.5 Gbps Next-Gen Firewall Appliance
The SonicWall TZ280 offers a reliable, high-speed firewall designed specifically for small businesses and branch offices. Its throughput of up to 2.5 Gbps and threat prevention speeds of 1 Gbps provide solid security performance. While it is a capable device, the need for separate subscriptions for security services and updates means ongoing costs and management complexity. Its straightforward desktop form factor and multiple Ethernet/SFP ports make it easy to integrate into existing networks, but setup can be challenging for less experienced users. This model strikes a balance between performance and affordability, making it suitable for small teams with some technical capability.
Pros:- High firewall inspection speeds
- Multiple connectivity options including SFP
- Designed for easy deployment in small offices
Cons:- Requires separate subscription for ongoing security updates
- No included support or firmware management
Best for: Small businesses or branch offices needing high-speed security without extensive management overhead
Not ideal for: Larger networks or organizations that prefer all-in-one appliances with included services
- Performance:Up to 2.5 Gbps
- Threat Prevention:1 Gbps
- VPN Throughput:1.2 Gbps
- Connectivity:8x1GbE + 2x1G SFP
- Form Factor:Desktop
Our verdict“A good fit for small teams seeking dependable security performance with manageable setup, provided they budget for subscriptions.”
FortiGate-90G Network Security Appliance with 1 Year FortiGuard UTP and FortiCare Premium
The FortiGate-90G stands out for its extensive security features and support, making it ideal for large enterprise environments. Unlike the FortiGate-60F, which targets medium-sized businesses, the 90G offers more advanced filtering options, including ATP, DNS, and URL filtering, providing a broader threat defense. However, it involves ongoing subscription costs beyond the initial year and can be complex to set up for smaller teams. This appliance is better suited for organizations needing a robust, scalable security solution rather than simple perimeter protection.
Pros:- Includes comprehensive security services and support for enterprise needs
- Advanced filtering features protect against a wide range of threats
- Suitable for complex, scalable deployments
Cons:- Requires ongoing subscription renewal after the first year
- Complex to configure, demanding technical expertise
Best for: Large enterprises or organizations with complex security needs requiring extensive threat filtering and support.
Not ideal for: Small businesses or teams seeking a plug-and-play solution with minimal setup, due to its complexity and cost.
- Model:FortiGate-90G
- Includes:1 year FortiCare Premium, FortiGuard UTP
- Features:ATP, DNS filtering, URL filtering, video filtering, anti-botnet, C2 communications
- Application:Enterprise network security
Our verdict“This pick makes the most sense for large organizations seeking enterprise-grade security and support.”
FortiGate-60F Network Security Appliance with 1 Year FortiGuard and FortiCare Premium
The FortiGate-60F provides a balanced security package tailored for medium-sized companies. Compared to the Sophos XGS 118, which offers high throughput but at a higher complexity, the 60F emphasizes ease of use alongside robust features like web filtering and anti-botnet protection. Its main limitation is that it’s designed for medium businesses, so it might fall short for larger, more demanding networks. Additionally, ongoing subscriptions are necessary for maintaining threat protection, which could increase long-term costs.
Pros:- Provides comprehensive security features including web filtering and anti-botnet
- Includes 1 year of premium threat protection and support
- Optimized for medium-sized business environments
Cons:- Limited to medium-sized business use, not suitable for larger networks
- Requires ongoing subscription fees for threat protection
Best for: Mid-sized businesses seeking a dependable, straightforward security appliance with premium support.
Not ideal for: Large enterprises or highly complex networks, as it may lack scalability and advanced features of higher-end models.
- Model:FG-60F
- Security Services:1 Year FortiGuard UTP and FortiCare Premium
- Intended Use:Medium-sized businesses
Our verdict“This device makes sense for medium businesses wanting a reliable, easy-to-manage security appliance with solid threat defense.”
Sophos XGS 118 (Gen2) Network Security Appliance (XG118Z00ZZPCUS)
The Sophos XGS 118 (Gen2) is tailored for mid-sized organizations needing high firewall throughput and flexible connectivity. It outperforms the FortiGate-60F in raw speed, with up to 15.5 Gbps, and offers SD-WAN and VPN capabilities for resilient, secure networks. However, hardware-only design means you must purchase additional subscriptions for full security features like IPS and web filtering, which can add to the total cost. Its initial setup may be complex for those unfamiliar with SD-WAN configurations, but it offers impressive performance for organizations prioritizing visibility and throughput.
Pros:- High firewall throughput suitable for demanding networks
- Multiple port options for flexible network architecture
- Includes SD-WAN and VPN features for secure connectivity
Cons:- Hardware only; requires separate subscriptions for full security suite
- Potential complexity during initial setup
Best for: Mid-sized organizations requiring high throughput, SD-WAN, and VPN capabilities for secure, reliable connectivity.
Not ideal for: Small businesses or teams seeking an all-in-one device with included security subscriptions and minimal configuration.
- Ports:9 x 2.5 GE copper, 1 SFP fiber
- Performance:Up to 15.5 Gbps firewall throughput
- Purpose:Next-generation hardware for high performance and visibility
- Features:SD-WAN, VPN, cloud management
Our verdict“This appliance is ideal for mid-sized organizations prioritizing high performance and advanced network connectivity features.”
FortiGate-120G Network Security Appliance with 5-Year FortiGuard and FortiCare Premium
The FortiGate-120G offers extensive security capabilities combined with a five-year support plan, making it suitable for large, complex enterprise networks. Compared to the FortiGate-90G, which is ideal for scalable security, the 120G includes a more comprehensive suite of features and longer support duration, reducing future upgrade concerns. Its higher cost and complexity make it less suitable for small businesses or those with limited technical resources. This appliance is best for organizations aiming for long-term, enterprise-grade protection with minimal disruption.
Pros:- Extensive security features including ATP, DNS, and URL filtering
- Long-term five-year support reduces upgrade worries
- Suitable for complex enterprise environments
Cons:- Higher cost and complexity compared to smaller models
- Requires technical expertise for deployment and management
Best for: Large enterprises with complex security requirements and long-term deployment plans.
Not ideal for: Small or mid-sized businesses without the technical staff to manage complex configurations or who need a lower-cost solution.
- Model:FortiGate-120G
- Protection Duration:5 years
- Services Included:FortiCare Premium, FortiGuard UTP
Our verdict“This solution is perfect for large, security-conscious enterprises seeking durable, long-term protection.”
FortiGate-40F Firewall Appliance with 1 Year FortiCare Premium and FortiGuard UTP
The FortiGate-40F provides a compact yet capable security solution for small and mid-sized companies. It balances features like DNS, URL, and video filtering, along with botnet controls, making it a strong contender against the Sophos XGS 118 for smaller networks. While its size and simplicity appeal, it may lack the advanced features needed for larger, more complex setups, and ongoing subscriptions are necessary to maintain threat defenses. Its ease of deployment makes it suitable for businesses that want reliable security without extensive technical overhead.
Pros:- Provides comprehensive security including DNS, URL, and video filtering
- Includes 1 year of FortiCare Premium support
- Compact, space-saving design suitable for small to mid-sized setups
Cons:- Limited to small and mid-sized environments
- Requires ongoing subscription for continued threat protection
Best for: Small to mid-sized businesses seeking a compact, easy-to-manage security device with essential threat protection.
Not ideal for: Larger networks or organizations needing advanced, scalable features or extensive customization.
- Model:FortiGate-40F
- Includes:1 Year FortiCare Premium, FortiGuard UTP
- Protection Features:DNS filtering, URL filtering, Video filtering, Botnet controls
- Intended Use:Small to mid-sized businesses
Our verdict“This device makes sense for small businesses wanting reliable, straightforward security in a compact form.”
How We Picked
The products in this roundup were evaluated based on a combination of security capabilities, performance benchmarks, ease of use, scalability, and value for money. Priority was given to appliances that offer integrated DNS security features, threat protection, and management tools suitable for various organizational sizes. Devices were also assessed for their update and maintenance requirements, as well as their reputation in enterprise security. The ranking reflects a balance between advanced feature sets and practical usability, ensuring options are relevant for both small businesses and larger enterprises.| secure dns appliance | Model |
|---|---|
| FortiGate-60F Network Security | FortiGate-60F |
| SonicWall TZ370 Gen7 Firewall | — |
| Sophos XGS 108 | — |
| Sophos XGS 88 | XGS 88 (Gen2) |
| SonicWall TZ280 2.5 Gbps Next- | — |
| FortiGate-90G Network Security | FortiGate-90G |
| FortiGate-60F Network Security | FG-60F |
| Sophos XGS 118 | — |
| FortiGate-120G Network Securit | FortiGate-120G |
| FortiGate-40F Firewall Applian | FortiGate-40F |
Factors to Consider When Choosing Best Secure Dns Appliance
Choosing the best secure DNS appliance requires understanding several key factors beyond just the specifications. First, consider your network size and traffic volume—larger networks need appliances with higher throughput and scalability. Security features like DNS filtering, threat detection, and VPN support should align with your threat landscape. Ease of management is critical; appliances with intuitive interfaces and automation save time. Budget constraints also matter, but investing in a device that offers future-proof security can prevent costly upgrades later. Finally, think about vendor support and update policies, as security is an ongoing process that depends on regular patches and assistance.Performance and Throughput
Performance is a key factor because a secure DNS appliance must handle your network’s traffic without bottlenecks. Look for appliances with throughput ratings that match or exceed your current demand—otherwise, security features could slow down your network. For high-traffic environments, appliances like the FortiGate-120G stand out with multi-gigabit performance, ensuring security doesn’t compromise speed.
Security Features
Beyond DNS filtering, advanced threat protection, intrusion prevention, and VPN capabilities are vital. A comprehensive appliance should integrate multiple layers of security to reduce complexity. Devices that combine DNS security with broader network defenses can better protect against evolving threats, but often come with increased complexity and cost.
Ease of Management
An intuitive interface and centralized management tools significantly reduce setup time and ongoing maintenance. Appliances with automation, detailed logging, and real-time alerts are preferable, especially for teams without dedicated security staff. Consider whether the device supports cloud management or local control based on your operational preferences.
Scalability and Future-Proofing
Choose an appliance that can grow with your organization. If you anticipate network expansion, opt for a device with upgrade options or higher capacity. Avoid appliances with limited scalability, which may force costly replacements down the line and disrupt your security posture.
Cost and Total Cost of Ownership
Initial purchase price is only part of the equation. Consider ongoing costs such as licensing, updates, support, and maintenance. Sometimes, investing a bit more upfront in a device with better support and more features results in lower total costs over its lifecycle.
Frequently Asked Questions
Can a secure DNS appliance protect against all types of cyber threats?
While a secure DNS appliance significantly enhances your network’s defense by blocking malicious domains and filtering content, no single device can prevent all cyber threats. It should be part of a layered security approach, including firewalls, endpoint protection, and user training. Regular updates and maintenance are essential to keep the appliance effective against emerging threats.
Is a more expensive appliance always better for my business?
Not necessarily. Higher-end appliances often offer more advanced features and higher performance, which are beneficial for larger, complex networks. However, for smaller operations, a more affordable device with essential security features can be sufficient. The key is matching the appliance’s capabilities to your specific needs and not paying for unnecessary extras.
How important is vendor support and updates?
Vendor support and regular updates are critical components of security appliances. A device is only as good as its ability to adapt to new threats, which depends on active vendor support. Reliable support ensures quick resolution of issues, while consistent updates patch vulnerabilities and improve functionality, maintaining your network’s security integrity.
Can I replace my existing firewall with a secure DNS appliance?
While some secure DNS appliances include firewall features, they typically do not fully replace dedicated firewalls in larger or more complex networks. For small or simple environments, a combined device might suffice, but most organizations benefit from layered defenses. Carefully evaluate whether a single appliance can meet all your security needs or if a multi-layered approach is better.
What should I prioritize if I have limited technical expertise?
If technical expertise is limited, choose an appliance with an intuitive interface, clear setup instructions, and strong vendor support. Devices that offer cloud management and automated updates reduce the burden on your team. Avoid overly complex systems that require extensive configuration or ongoing troubleshooting unless you have dedicated security staff.
Conclusion
For small businesses or organizations new to network security, the Sophos XGS 88 offers a user-friendly interface with solid protection at an affordable price, making it a great starting point. Larger enterprises or those with complex networks should consider the FortiGate-120G for its high throughput and advanced features. The FortiGate-60F strikes a balance between performance and simplicity, suitable for many mid-sized setups. For organizations prioritizing premium support and future scalability, investing in higher-end solutions ensures robust, long-term protection. Ultimately, aligning your choice with your network size, skill level, and security needs will lead to the best results.
