Weak Password Vulnerability in ChinaNetWizards Next-Generation Firewalls

ZKNETWORTH's next-generation firewall control system products are based on L2-7 layer access application control, integrating firewall, IPS intrusion detection, DDoS/DOS protection, AV virus protection; realizing comprehensive security protection for intranet, and providing security firewall...

Imperva delivers mile high performance and protection with new PoPs in Denver and Dublin

We are very pleased to announce that we are extending our global coverage with the addition of two new PoPs points of presence in Denver in the US and Dublin, Ireland. The new PoPs will enhance Imperva’s existing network to provide enhanced protection against distributed denial of service DDoS...

Command Execution Vulnerability in the Control System of Next-Generation Firewall of Shenzhen Zhongke NetWizard Technology Co. Ltd (CNVD-2021-44001)

ZKNETWORTH's next-generation firewall control system products are based on L2-7 layer access application control, integrating firewall, IPS intrusion detection, DDoS/DOS protection, AV virus protection; realizing comprehensive security protection for intranet, and providing security firewall...

CVE-2021-0259

Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold. If an attacker on ...

CVE-2021-0234

Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection configuration changes will not take effect beyond the default DDoS Distributed Denial of Service settings when configured from the CLI. The DDoS...

CVE-2021-0228

An improper check for unusual or exceptional conditions vulnerability in Juniper Networks MX Series platforms with Trio-based MPC Modular Port Concentrator deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, may allow an attacker sending specific Layer 2 traffic to cause...

Design/Logic Flaw

Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold. If an attacker on ...

Input validation

Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection configuration changes will not take effect beyond the default DDoS Distributed Denial of Service settings when configured from the CLI. The DDoS...

CVE-2021-0259 Junos OS and Junos OS Evolved: QFX5K Series: Underlay network traffic might not be processed upon receipt of high rate of specific genuine overlay packets in VXLAN scenario

Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold. If an attacker on ...

CVE-2021-0234

CVE-2021-0234 affects Juniper Networks Junos OS on QFX5100-96S with QFX 5e Series image. The issue is an improper initialization that prevents ddos-protection changes from taking effect beyond default DDoS settings configured via CLI. The ddos-protection (jddosd) daemon keeps the device functioni...

CVE-2021-0234 Junos OS: QFX5100-96S: DDoS protection does not work as expected.

Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection configuration changes will not take effect beyond the default DDoS Distributed Denial of Service settings when configured from the CLI. The DDoS...

Finding the Best Servers to Answer Queries -- Edge DNS and Anycast

TL;DR IP Anycast is a network addressing and routing methodology that allows IP addresses to be announced from multiple points on the internet With the proper implementation, Anycast can reduce DNS RTTs and offer innate DDoS protection Akamai's authoritative name service, Edge DNS, combines globa...

Gatekeeper - First Open-Source DDoS Protection System

Gatekeeper is the first open source DoS protection system. It is designed to scale to any peak bandwidth, so it can withstand DoS attacks both of today and of tomorrow. In spite of the geographically distributed architecture of Gatekeeper, the network policy that describes all decisions that have...

Anatomy of a Security Super Bowl Dynasty, Part 1: The Defense

Imperva’s Directors of Technology in the Office of the CTO, Brian Anderson and Craig Burlingame, recently conducted an informal education session titled Creating a Security Super Bowl Dynasty. In this presentation, they used examples of how teams create consistent, sustainable success in American...

F5 BIG-IP AFM Cross-Site Scripting Vulnerability (CNVD-2021-13213)

F5 BIG-IP AFM is an advanced firewall product from F5 USA for protection against DDos attacks. A cross-site scripting vulnerability exists in BIG-IP AFM, which originates from the lack of proper validation of client data by a WEB application. An attacker can exploit this vulnerability to execute...

Lessons learned building supervised machine learning into DDoS Protection

Imperva’s Data Scientists trained a machine-learning model to auto-configure DDoS security policies and this blog shares some of the lessons learned along the way. Data scientists consider labeled data the gold standard and, despite having to filter out anomalies, there is an overall tendency to...

Imperva A Seven-Time Magic Quadrant Leader and Named Highest for Completeness of Vision for WAF

Gartner has published its 2020 Gartner Magic Quadrant for Web Application Firewalls WAF and Imperva has been named a Leader for the seventh consecutive year! It’s rare to be a part of defining a market and even less common to lead that market through a fundamental shift. Leading the market throug...

CVE-2020-1665

On Juniper Networks MX Series and EX9200 Series, in a certain condition the IPv6 Distributed Denial of Service DDoS protection might not take affect when it reaches the threshold condition. The DDoS protection allows the device to continue to function while it is under DDoS attack, protecting bot...

Design/Logic Flaw

On Juniper Networks MX Series and EX9200 Series, in a certain condition the IPv6 Distributed Denial of Service DDoS protection might not take affect when it reaches the threshold condition. The DDoS protection allows the device to continue to function while it is under DDoS attack, protecting bot...

CVE-2020-1665 Junos OS: MX series/EX9200 Series: IPv6 DDoS protection does not work as expected.

On Juniper Networks MX Series and EX9200 Series, in a certain condition the IPv6 Distributed Denial of Service DDoS protection might not take affect when it reaches the threshold condition. The DDoS protection allows the device to continue to function while it is under DDoS attack, protecting bot...