Web Application Firewall ( WAF) defends online services from malicious traffic on the internet. In essence, WAF’s function is to detect malicious traffic in order to filter out threats that may cause online applications havoc. Thereby, before it reaches the application server, it examines HTTP traffic. In addition , it offers protection against unauthorized data transfer from the server.

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Web Application Firewall Security (WAF Security)

There are two security models that work on the security of Web Application Firewall, namely the positive and negative security models or a combination of both (hybrid safety model). The positive security model (whitelist) rejects everything that is not identified as allowed while the negative security model (blacklist) operates on the basis of the banned items and allows everything. Security Web Application Firewall prevents many attacks like Cross-site Scripting (XSS), SQL injection, Cookie poisoning, Unvalidated Input, Layer 7 DoS, and Web scraping — data scraping.

Top 6 Web application Firewalls Comparison

Here’s a list of top 7 firewalls for web applications that are powerful enough to protect your system from internet hacks. Go through it carefully before opting to:

Sucuri Website Firewall

The Sucuri Web Application Firewall is an online service where the address of a website is stored on the server of Sucuri and therefore guides all of the web traffic going first there. Bad files / codes are routed through a variety of techniques. The Sucuri Web Application Firewall is delivered on the subscription model, and pricing for the basic package begins at $9.99 / month.

StackPath Web Application Firewall

StackPath, which specializes in “edge technology,” provides Firewall Web Application as one of the cloud-based software packages. StackPath is basically a subscription-based cloud service and offsite configuration provides extra security for a web server as any malicious code does not even have a chance to touch resources. The protections provided by this service are evaluation of IP addresses, validation of browsers and use of the rules of content. For the first month of service the Web Application Firewall is offered free.

Akamai Kona Site Defender

This Web Application Firewall is the best DDoS mitigation firewall around the globe since it integrates full DDoS protection. The Akamai Kona Site Defender is a renowned WAF, because it is often the first to discover new feats. By choosing Akamai Kona Site Defender, the user will remain ahead of the curve with tighter, smarter blocks on criminal online trafficking.

Amazon AWS WAF

The Amazon AWS web application firewall, also sometimes referred to as AWS WAF is only offered to Amazon Web Services customers. The WAF packs the Network for Amazon content delivery and Application Load Balancer. For the reason that Amazon Web Services are cloud-based, the web application firewall is given an add-on to the user’s existing subscription. These come at affordable rates, the users are billed for the number of web requests each month, depending on each security rule that is set up.

Cloudbric Web Application Firewall

Cloudbric Web Application Firewall is a web security provider based in South Korea and based in the cloud. It offers protection for DDoS, SSL solution, and WAF-Firewall for Web Application. Its pricing model is based on monthly website traffic, rather than features of premium service. The Cloudbric Web Application Firewall acts as a proxy for detecting and distinguishing malicious attacks, thereby allowing its customers to change the Domain Name System ( DNS) of their website.

Barracuda Web Application Firewall

Barracuda offers the full collection of features and frameworks for Web Application Firewall starting with support for physical and virtual devices, public cloud-based implementation. The architecture arrives with its own set of advantages and disadvantages, ranging from the SaaS option to fine-grained configuration and deployment control with the appliance-based offerings. Hardware appliances start at $5,249 and virtual appliances come in at $2,579.