Web Application Firewall

A web application firewall (WAF) is an appliance, server plugin, or filter that applies a set of rules to an HTTP conversation. Generally, these rules cover common attacks such as cross-site scripting (XSS) and SQL injection. By customizing the rules to your application, many attacks can be identified and blocked. The effort to perform this customization can be significant and needs to be maintained as the application is modified.

An application firewall is a form of firewall which controls input, output, and/or access from, to, or by an application or service. It operates by monitoring and potentially blocking the input, output, or system service calls which do not meet the configured policy of the firewall. The application firewall is typically built to control all network traffic on any OSI layer up to the application layer. It is able to control applications or services specifically, unlike a stateful network firewall which is - without additional software - unable to control network traffic regarding a specific application. There are two primary categories of application firewalls, network-based application firewalls and host-based application firewalls.



List of Vendors for Web Application Firewall


Palo Alto Networks

Founded: 2005, Santa Clara, CA, USA

Website: www.paloaltonetworks.com

Key Principals: Network Security products

Click here to view products, solutions & other details of Palo Alto Networks

Fortinet

Founded: 2000, Sunnyvale, CA, USA

Website: www.fortinet.com

Key Principals: Networking and Security products

Click here to view products, solutions & other details of Fortinet

CheckPoint

Founded: 1993, Tel Aviv, Tel Aviv District, Israel

Website: www.checkpoint.com

Key Principals: Network Security products

Click here to view products, solutions & other details of CheckPoint

Juniper Networks

Founded: 1996, Sunnyvale, CA, USA

Website: www.juniper.net

Key Principals: Networking and Security products

Click here to view products, solutions & other details of Juniper Networks

F5 Networks

Founded: 1996, Seattle, WA, USA

Website: www.f5.com

Key Principals: Networking products and solutions

Click here to view products, solutions & other details of F5 Networks

Cisco Systems

Founded: 1984, San Fransisco, CA, USA

Website: www.cisco.com

Key Principals: Networking Equipments

Click here to view products, solutions & other details of Cisco Systems

A10 Networks

Founded: 2004, San Jose, CA, United States

Website: www.a10networks.com

Key Principals: Networking Equipments

Click here to view products, solutions & other details of A10 Networks

Sonicwall( Acquired by DELL)

Founded: 1991, San Jose, CA, United States

Website: www.sonicwall.com

Key Principals: Backup and recovery, security appliances, Internet security, WAN optimization

Click here to view products, solutions & other details of Sonicwall( Acquired by DELL)

Cyberoam( Acquired by Sophos)

Founded: 1999, Ahmedabad, (India)

Website: www.cyberoam.com

Key Principals: Network security, Computer Security, antivirus, computer software

Click here to view products, solutions & other details of Cyberoam( Acquired by Sophos)

Watchguard

Founded: 1996, Seattle, WA, USA

Website: www.watchguard.com

Key Principals: Network Security products

Click here to view products, solutions & other details of Watchguard

Imperva

Founded: 2002, Redwood Shores, California, United States

Website: www.imperva.com

Key Principals: IT Security products

Click here to view products, solutions & other details of Imperva

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