NetScaler vs The Fastly Next-Gen WAF (powered by Signal Sciences) comparison

NetScaler vs. The Fastly Next-Gen WAF (powered by Signal Sciences)

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

Cloudflare

Featured Reviews

Herb Angle

Owner at Hga consulting

Has helped manage client domains with streamlined access control and threat visibility

I don't know what areas could be improved with Cloudflare WAF; Cloudflare is constantly improving and adding features to their feature set. They're doing a good job, and as far as DNS and support for any domains that I create or my clients create, it's mandatory for me to make sure that they have Cloudflare as their DNS provider. The Cloudflare load balancing capability hasn't really helped in enhancing my website's uptime and resiliency because we don't really get that much traffic; it's mostly remote users, and web hosting is done by a web hosting service. It doesn't pay to try to host your own website.

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Letarik Terefe

Information Technology Division Director at Ethiopian Roads Administration

Offers better visibility into user sessions compared to other solutions

Improvements are needed to address the issue of machines becoming unregistered, ensuring stability for end users. Troubleshooting with Citrix support can be challenging, so clearer diagnostics would be beneficial. As for global server load balancing, it works well on-premises, depending on user volume and service stability. Overall, it's satisfactory for us.

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reviewer2161107

Staff Engineer at a retailer with 1,001-5,000 employees

Room for improvement with user interface while competitive pricing impresses

It is managed through Infrastructure as Code, so all configurations can be managed in the code itself, which is beneficial. Because it uses rules, it is easy to set up, and we have many different sites where the configurations are straightforward. Though the UI is not very interactive, which is a downside, we can manage many things. The UI is not very intuitive and could be better. However, we manage all the configurations through code, which is easy to maintain. It has extensive anomaly detection capabilities, so the traffic is classified into several categories where thresholds can be defined and customized based on false positives and false negatives. This is advantageous because you do not need to tweak it very often. Once you set it up, an audit once a quarter would suffice. Because The Fastly Next-Gen WAF (powered by Signal Sciences) is API-driven, we have integrations with the CI/CD pipeline through GitHub Actions, making it easy to integrate.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"The solution automatically detects and responds to certain types of traffic based on geolocation."

"Easier http to https redirect using page rules"

"Cloudflare has many features."

"I get a lot of value from Cloudflare's API because it enables you to build a separate environment inside the solution. You can create a domain for performing test requests before you move to the production environment and connect various domains."

"The simplicity of the overall dashboard makes it a great product for a user like me who has less understanding of the internet than a developer or other more technical people. It gives me peace of mind. I also love the easy customization of the Page Rules."

"It is a stable solution. I rate the stability a ten out of ten...I rate the scalability a ten out of ten."

"The most valuable feature of the solution is external DNS. It is also very secure. They have their own main server and once you configure it, the product takes care of everything. There are no issues in resolving IPs and low latency is also present."

"The most valuable feature is its usability."

More Cloudflare pros

"The most valuable features are for the ADMs and the overall monitoring environment."

"Content filtering, security layer, and application customization features are the most valuable."

"For NetScaler, our major use cases are database load balancing, PowerVPN VPN access gateway, WAF (Web Application Firewall), and content switching."

"Provides resiliency for applications that reside on servers, as well as connectivity to remote applications."

"The feature that I have found most valuable is its load balancing."

"The most valuable feature of Citrix NetScaler was the seamless integration. Additionally, the UI is good."

"My clients use it for load balancing."

"My customers have told me that the performance of this solution is good."

More NetScaler pros

"Because The Fastly Next-Gen WAF (powered by Signal Sciences) is API-driven, we have integrations with the CI/CD pipeline through GitHub Actions, making it easy to integrate."

"When configuring a web application firewall using Signal Sciences, we configure a rule whereby no one except a few people can access the application."

"The product's most valuable feature is its ability to set up the rules easily."

"Fastly (Signal Sciences) integrates and tags the intermittent traffic based on patterns. It generates signals and provides them in a dashboard where we can view them and decide whether to allow or deny traffic. It's a more advanced and easy-to-navigate dashboard."

Cons

"It should be easier to collect the logs with companies like Sumo. However, based on my discussions with the salespeople, I understand that's how they make their money. With the enterprise product, they want people doing those kinds of enterprise features to do the logging. They want them to pay a lot of money, and that's where I have an issue with them. That should be a default. You should be able to get the log no matter what. The logging should be universal."

"Cloudflare's console should be made more user-friendly."

"Cloudflare's free plan is limited to 5,000 records for their free plan. They should increase that. For example, if I create a domain called abc.com and a subdomain called a.abc.com, my record count will be two. I can make a maximum of 5,000 subdomains. However, if we use our own DNS hosted on another provider, there is no limit. Their free plan also lacks name server customization."

"Latencies are always a problem."

"The documentation could improve for Cloudflare DNS."

"The product needs to improve its automation."

"The product support needs to be accessible from more places, a wider area of coverage."

"The tool needs to improve caching of servers. The product needs to include PFX certificate as well."

More Cloudflare cons

"The licensing model and technical support of the solution could be improved."

"The main areas for improvement would be around documentation and support. If a feature can be used in two or three ways, show that feature being used in all of those ways. Documentation seems to only cover the primary use case and leaves you to either run through trial and error or consult the user community. In terms of support, I have never actually had them solve any of my issues. I have always solved them myself and then provided the resolution to support."

"Native integration needs to be improved. You cannot build ISE codes natively. For DevOps, integration would be very helpful because it would be a lot simpler from an operational standpoint."

"They can improve the scalability and the multi-tenancy feature. We recently tried to configure an authentication, and we ran into some issues while using the web-based GUI. It was very slow when you log in with your credentials in the web-based GUI. Each time we clicked on the menu, it tried to do the authentication. It works properly in the console."

"Technical support could be improved."

"The solution is a bit more expensive than some of the available solutions in this region. One solution in particular that I noticed was cheaper was Kemp."

"I will try to migrate all the tools to the cloud because there is more lab and more VPN scalability available in the cloud. It is not available on-premises."

"The solution can improve their support and send tickets directly to a Citrix ADC engineer in order to avoid having to escalate each support call."

More NetScaler cons

"The areas that could be improved in Signal Sciences include the effectiveness of rules, as many didn't function optimally and required custom rule-writing to address bypasses for WAF."

"Fastly don't support caching for China users. That's the only feature lacking compared to Akamai."

"The UI is not very intuitive and could be better."

"Even if we create some custom rules, Signal Sciences cannot capture some of the malicious traffic."

Pricing and Cost Advice

"In terms of licensing costs, we don't pay for licensing for Cloudflare. We only establish communication, then for peering, Cloudflare takes care of the cross-connection in different data centers."

"The solution has many features but there are ones that you need to pay for. Sometimes you have to find out which is available for free and which you have to pay for."

"It's a premium model. You can start at zero and work your way up to the enterprise model, which has a very high pricing level."

"The pricing for the service is reasonable, neither excessively cheap nor prohibitively expensive. It aligns well with the value of their solution."

"There are no additional costs beyond the standard licensing fees."

"The product's pricing is minimal compared to other products."

"The tool is a premium product, so it is very expensive."

"I think the pricing is competitive. I think as far as licensing is concerned it's pretty straightforward because it's based on domain. It's just that sometimes domains could be tricky with some customers."

More Cloudflare pricing and cost advice

"We have a yearly licencing fee, and there are no additional costs."

"We get value for money. Its price is fair. I don't think it is overpriced."

"We have all the features and functions of Citrix because we have a premium license."

"You get the value for your money. There aren't any hidden fees."

"F5 BIG-IP is much more expensive than Citrix ADC. For example, If we choose two platforms, Citrix ADC, 3000 version, and we choose F5, F4200 version. F5 BIG-IP has connections, timers, and throughput similar to Citrix ADC, but the price is very expensive."

"This product is more expensive than some of the competitors."

"It all depends on the features that will be used and the number of accesses."

"It's an expensive product but it works well."

More NetScaler pricing and cost advice

"Signal Sciences is pretty cheap compared to other solutions."

"The pricing is 50% less than Akamai."

"The product has an affordable cost."

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879,768 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Computer Software Company

12%

Financial Services Firm

10%

Comms Service Provider

10%

Manufacturing Company

Computer Software Company

13%

Government

Financial Services Firm

Manufacturing Company

12%

Computer Software Company

12%

Retailer

10%

Financial Services Firm

10%

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	46
Midsize Enterprise	8
Large Enterprise	25

By reviewers
Company Size	Count
Small Business	45
Midsize Enterprise	23
Large Enterprise	57

No data available

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?

Cloudflare. We are moving from Akamai prolexic to Cloudflare. Cloudflare anycast network outperforms Akamai static GR...

Which would you choose - Cloudflare DNS or Quad9?

Cloudflare DNS is a very fast, very reliable public DNS resolver. It is an enterprise-grade authoritative DNS service...

What do you like most about Cloudflare?

Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications.

What do you like most about Citrix ADC?

The most valuable feature for us is the application firewalling in Citrix NetScaler, ensuring only valid traffic ente...

What is your experience regarding pricing and costs for Citrix ADC?

After deployment, Citrix Netscaler shifted to a subscription-based license scheme for support, which is slightly more...

What needs improvement with Citrix ADC?

Citrix NetScaler is a robust product, but mastering it requires significant learning and training due to its complexi...

What do you like most about Signal Sciences?

The product's most valuable feature is its ability to set up the rules easily.

What is your experience regarding pricing and costs for Signal Sciences?

The pricing is very competitive compared to other providers. The pricing is definitely a factor in our decision-makin...

What needs improvement with Signal Sciences?

We do use it, but the UI can be improved as we mostly work through the CI/CD. It provides support, but sometimes it i...

Imperva Application Security Platform vs Cloudflare

Comparisons

Quad9 vs Cloudflare

Compared 50% of the time

Akamai vs Cloudflare

Compared 4% of the time

Compared 3% of the time

Myra Security DDoS Protection vs Cloudflare

Compared 2% of the time

Azure DNS vs Cloudflare

Compared 2% of the time

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Fortinet FortiADC vs NetScaler

Compared 8% of the time

HAProxy vs NetScaler

Compared 8% of the time

F5 BIG-IP Local Traffic Manager (LTM) vs NetScaler

Compared 7% of the time

Microsoft Azure Application Gateway vs NetScaler

Compared 7% of the time

Azure Front Door vs NetScaler

Compared 2% of the time

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AWS WAF vs The Fastly Next-Gen WAF (powered by Signal Sciences)

Compared 16% of the time

Sqreen vs The Fastly Next-Gen WAF (powered by Signal Sciences)

Compared 16% of the time

Azure Web Application Firewall vs The Fastly Next-Gen WAF (powered by Signal Sciences)

Compared 11% of the time

Azure Front Door vs The Fastly Next-Gen WAF (powered by Signal Sciences)

Compared 9% of the time

Microsoft Azure Application Gateway vs The Fastly Next-Gen WAF (powered by Signal Sciences)

Compared 8% of the time

More The Fastly Next-Gen WAF (powered by Signal Sciences) Competitors

Product Reports

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Cloudflare

January 2026

NetScaler

Download NetScaler product report

The Fastly Next-Gen WAF (powered by Signal Sciences)

Download The Fastly Next-Gen WAF (powered by Signal Sciences) product report

The Fastly Next-Gen WAF (powered by Signal Sciences) report

Also Known As

Cloudflare DNS

Citrix ADC, Citrix NetScaler VPX, NetScaler Console, NetScaler Web Application Firewall, NetScaler VPX - Customer Licensed

Signal Sciences Next-Gen WAF, Signal Sciences RASP

Overview

Cloudflare enhances web performance and security with features like CDN caching and DDoS mitigation while providing easy DNS management and intuitive setup through its user-friendly dashboard.

Cloudflare is recognized for its comprehensive web security and performance solutions. Speed improvements are achieved through caching mechanisms and DDoS protection, combining ease of DNS management with flexible page rules. The robust analytics and threat insight tools provide valuable data, assisted by a user-friendly dashboard allowing quick setup and configuration. An API offers dynamic DNS settings ensuring low latency and high performance across the globe.

What are Cloudflare's key features?

CDN Caching: Enhances website speed through content delivery network caching.
Web Application Firewall: Protects websites from online threats.
DDoS Mitigation: Shields against distributed denial-of-service attacks.
DNS Management: Offers easy-to-use and flexible domain management.
SSL Certificates: Ensures secure connections between users and servers.
Analytics: Provides insights with robust analytics tools.

What benefits and ROI should users evaluate?

Enhanced Security: Strengthening web security with DDoS and firewall protection.
Speed Improvement: Faster content delivery with CDN caching.
Operational Simplicity: Simplifies website optimization through a user-friendly interface.
Scalable Solutions: Scales with global reach, lowering latency for improved performance.
Cost Efficiency: Offers layers of valuable functionality with pricing options.

Cloudflare finds utility across industries for DNS management and defense mechanisms. Its content delivery network assures fast content distribution and fortified security. Businesses integrate features like web application firewalls, load balancing, end-to-end SSL, and zero trust to protect websites from cyber threats while ensuring resilience and reliable performance.

Cloudflare

NetScaler is an advanced application delivery controller providing load balancing, SSL offloading, and enhanced network performance. Users benefit from its robust security features, seamless Citrix integrations, and cost-effective infrastructure.

Designed to optimize and secure application delivery, NetScaler offers high availability and supports data centers with its load balancing and reverse proxy capabilities. It ensures effective traffic management and provides valuable insights into network health while integrating easily with Citrix products. Users appreciate its centralized management via ADM and flexible deployment options tailored to their infrastructure needs. However, there is room for improvement in its management tools, interface, and documentation, alongside a need for security enhancements and better licensing flexibility.

What are the most important features of NetScaler?

Flexible Deployment: Allows adaptation to different environments and needs.
Load Balancing: Efficiently distributes traffic to enhance performance.
SSL Offloading: Offloads encryption to optimize server performance.
Content Switching: Enables tailored content delivery based on user needs.
Robust Security: Includes firewalling and AAA authentication.
Global Server Load Balancing: Distributes load across multiple locations for high availability.

What benefits should users look for in reviews?

Cost-effectiveness: Delivers an efficient infrastructure without high costs.
Reliable Performance: Ensures consistent delivery and resilience.
High Availability: Maintains network uptime and service quality.
Technical Support: Offers responsive assistance for operational issues.

NetScaler is implemented across sectors like healthcare, finance, and education to guarantee secure remote access, enhance application network management, and support virtual desktops. Its application gateways and VPN access capabilities make it ideal for industries needing secure and efficient connectivity solutions.

NetScaler

The Fastly Next-Gen WAF (powered by Signal Sciences) provides web application and API protection, RASP, rate limiting, bot protection and DDoS purpose built to eliminate the challenges of legacy WAF.

Fastly

Sample Customers

Trusted by over 9,000,000 Internet Applications and APIs, including Nasdaq, Zendesk, Crunchbase, Steve Madden, OkCupid, Cisco, Quizlet, Discord and more.

ABB Schweiz, Aer Lingus, AIDS Healthcare Foundation, Amnet Technology Solutions, Aramex International, Ascenty, Atos, Autodesk

Chef, Adobe, Datadog, Etsy, GrubHub, Vimeo, SendGrid, Under Armour, Duo, AppNexus

NetScaler vs. The Fastly Next-Gen WAF (powered by Signal Sciences)