What are Network Firewalls?

eSecurity Planet

The network firewall is the first line of defense for traffic that passes in and out of a network. The firewall examines traffic to ensure it meets the security requirements set by the organization, and unauthorized access attempts are blocked. Jump to: What is a network firewall?

Experts Explain How to Bypass Recent Improvement of China’s Great Firewall

Security Affairs

Experts from Great Firewall Report analyzed recent upgrades to China’s Great Firewall and revealed that it can be circumvented. Great Firewall Report experts revealed that recent versions of Shadowsocks (3.3.1 and earlier) could bypass the firewall.


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Backdoor in Zyxel Firewalls and Gateways

Schneier on Security

This is bad : More than 100,000 Zyxel firewalls, VPN gateways, and access point controllers contain a hardcoded admin-level backdoor account that can grant attackers root access to devices via either the SSH interface or the web administration panel. […].

NG Firewall for Home Use

Security Boulevard

The post NG Firewall for Home Use first appeared on Untangle. The post NG Firewall for Home Use appeared first on Security Boulevard. Your home network is your gateway to the internet.

Cisco Secure Firewall Garners a ‘Hat-Trick’

Cisco Retail

Along similar lines, Cisco Secure Firewall celebrates three scores in 2021: Cisco was the only vendor recognized by Frost & Sullivan with the Best Practices Market Leadership Award for excellence in the network firewall market. Security Cisco Secure Firewall Zero Trust

Automate your Cisco Secure Firewall deployment

Cisco Retail

I nfrastructure as a Code (IaC) and Automation are now common requests from our customers deploying Cisco Secure Firewalls. Our response to this trend is making Cisco Secure Firewall deployable as a code utilizing new IaC templates , which we are happy to announce!

Mitigating Dynamic Application Risks with Secure Firewall Application Detectors

Cisco Retail

As part of our strategy to enhance application awareness for SecOps practitioners, our new Secure Firewall Application Detectors portal, [link] , provides the latest and most comprehensive application risk information available in the cybersecurity space.

Back to the Future of Firewall

Cisco Retail

As a network and workload security strategy leader, I spend a lot of time thinking about the future of the good old network firewall. Spoiler alert: I’m not going to join the cool club of pronouncing the firewall dead. Insert Your Firewall Here. Read Me First.

Great Firewall Ready to Unleash ‘Gigantic’ DDoS—so are Other Middleboxes

Security Boulevard

The post Great Firewall Ready to Unleash ‘Gigantic’ DDoS—so are Other Middleboxes appeared first on Security Boulevard. Researchers have disclosed a nasty new way for bad people to mess up the internet for the rest of us.

A New Way of Firewalling with Cisco Secure Firewall Cloud Native

Cisco Retail

With application environments becoming dynamic, there is a desperate need for security tooling, including firewalls, to do the same. Whether on-premises or in public or private clouds, Secure Firewall Cloud Native empowers NetOps and SecOps teams to run at DevOps speed.

Back-to-Basics: Properly Configured Firewalls

PCI perspectives

Today’s blog focuses on properly configuring firewalls. As small and medium businesses begin to re-open following the pandemic, it’s important to do so securely in order to protect customer’s payment card data.

What is a Personal Firewall?


Firewalls are a term many know as protective of their computers from cyberattacks, but not many know what they do and why they need it (if at all). Data Privacy Data Protection Firewall Network Security Online Privacy Online Safety PC security

Reasons Why Firewalls Are Still Essential | Avast

Security Boulevard

Even if you don’t know much about internet security, you’ve probably heard the term firewall , if only from movies and shows about hackers trying to break into computer systems. The post Reasons Why Firewalls Are Still Essential | Avast appeared first on Security Boulevard.

Zyxel 0day Affects its Firewall Products, Too

Krebs on Security

Today, Zyxel acknowledged the same flaw is present in many of its firewall products. “We’ve now completed the investigation of all Zyxel products and found that firewall products running specific firmware versions are also vulnerable,” Zyxel wrote in an email to KrebsOnSecurity.

Simplified Insertion of Cisco Secure Firewall with AWS Route Table Enhancement

Cisco Retail

Cisco Secure Firewall provides industry-leading firewall capabilities for Amazon Virtual Private Cloud (VPC)and resources deployed inside. Customers use these firewalls to protect north-south and east-west traffic. Security Cisco Secure Firewall

Save time with Dynamic Attributes for Cisco Secure Firewall

Cisco Retail

The shift of applications and the associated security controls within dynamic cloud environments create challenges for firewall teams to keep up with security requirements. Secure Firewall Threat Defense 7.0 Dynamic Objects Configuration Guide for Firewall Management Center (FMC).

Top Next-Generation Firewall (NGFW) Vendors

eSecurity Planet

Cloud features – like public cloud support, CASB and cloud workload protection – and cloud-based management have also grown in importance, and Firewalls as a Service (FWaaS) are catching on too. For more on Palo Alto, see our writeup on the PA Series firewalls.

Secure and Save with Cisco Secure Firewall Threat Defense Virtual

Cisco Retail

Organizations rely on Cisco Secure Firewall Threat Defense Virtual (formerly FTDv/NGFWv), Cisco’s proven network firewall with IPS, URL filtering, and malware defense that protects virtualized environments in private and public clouds. Security Cisco Secure Firewall network security

Hackers exploit SQL injection zero-day issue in Sophos firewall

Security Affairs

Cybersecurity firm Sophos releases an emergency patch to address an SQL injection flaw in its XG Firewall product that has been exploited in the wild. “It was designed to download payloads intended to exfiltrate XG Firewall-resident data.

Top Web Application Firewall (WAF) Vendors

eSecurity Planet

Web application firewalls (WAFs) are a critical component for robust application security. At the same time, WAF technology is increasingly a part of more comprehensive security solutions like next-generation firewalls (NGFW), unified threat management (UTM), and more.

Scalable Security with Cisco Secure Firewall Cloud Native

Cisco Retail

This is where Cisco Secure Firewall Cloud Native (SFCN) comes in. Cisco Secure Firewall Cloud Native brings together the benefits of Kubernetes and Cisco’s industry-leading security technologies, providing a resilient architecture for infrastructure security at scale.

Cisco Secure Firewall insertion using Cisco cAPIC in Azure

Cisco Retail

Traditional firewall integration in on-prem Data Centers. ILB load balances traffic from the consumer EPGs to the internet through multiple Cisco Secure Firewalls (NGFWv). The above network topology depicts Cisco Secure Firewall in the hub VNET (overlay 2) in Azure.

Cisco Supports Secure Firewall Threat Defense Virtual on Nutanix AHV

Cisco Retail

Today, Cisco is giving you that power by expanding the support of Cisco Secure Firewall Threat Defense Virtual (formerly FTDv/NGFWv) to Nutanix AHV. If you are already taking advantage of Secure Firewall Thread Defense Virtual, you can now run your appliance in Nutanix AHV.

Crowdstrike Firewall Management Product Review

eSecurity Planet

Crowdstrike’s Firewall Management platform is a host firewall tool that centralizes defense against malware threats. A number of à la carte features like firewall management, EDR, and IT hygiene can be bundled as a scalable Pro, Enterprise, or Premium package.

Unpatched Fortinet Bug Allows Firewall Takeovers


The OS command-injection bug, in the web application firewall (WAF) platform known as FortiWeb, will get a patch at the end of the month. Vulnerabilities Web Security

Cisco Secure Earns the Frost & Sullivan Global Market Leadership Award in the Network Firewall Market

Cisco Retail

Cisco is proud to be the only vendor recognized by Frost & Sullivan with the Best Practices Market Leadership Award for excellence in the network firewall market. Cisco Secure Firewall keeps organizations moving while keeping them secure. Learn more about Cisco Secure Firewall.

Resolve network security issues efficiently with the Firewall Analyzer-ServiceDesk Plus integration

Security Boulevard

ManageEngine Firewall Analyzer reviews firewall logs to capture network security threats. The post Resolve network security issues efficiently with the Firewall Analyzer-ServiceDesk Plus integration appeared first on ManageEngine Blog. Security Bloggers Network Firewall Analyze

Building the Human Firewall

Dark Reading

Cybersecurity was a challenge before COVID-19 sent millions of employees home to work from their own devices and networks. Now what

Cisco SecureX with Secure Firewall: More Value Than Ever

Cisco Retail

Cisco Secure Firewall protects hundreds of thousands of networks and Snort IPS has over a million deployments around the world. With the Firewall Threat Defense 7.0 sxo-05-security-workflows/workflows/secure-firewall/.

Building a scalable RAVPN architecture in Oracle Cloud Infrastructure using Cisco Secure Firewall

Cisco Retail

With Cisco Secure Firewall, organizations are able to build a scalable RAVPN architecture on OCI, providing employees secure remote access to their organization’s resources from any location or endpoint. Design 1 – Load balance RAVPN sessions to multiple firewalls using OCI DNS service.

Attackers Target Sophos Firewalls with Zero-Day

Dark Reading

Remote exploit compromises specific configurations of XG firewalls with the intent of stealing data from the devices

Bot protection now generally available in Azure Web Application Firewall

Bleeping Computer

Microsoft has announced that the Web Application Firewall (WAF) bot protection feature has reached general availability on Azure on Application Gateway starting this week. [.].

Cloudflare introduces SD-WAN- and firewall-as-a-service offerings

Tech Republic Security

In a bid to replace MPLS circuits and SD-WAN appliances, Cloudflare has introduced Magic WAN and Magic Firewall and partnerships with VMware, Aruba, Digital Realty, CoreSite and EdgeConneX

Survey Uncovers High Level of Concern Over Firewalls

Dark Reading

More than half of respondents are planning to reduce their network firewall footprint because of what they see as limitations in the technology

Firewall Vendor Patches Critical Auth Bypass Flaw


Cybersecurity firm Genua fixes a critical flaw in its GenuGate High Resistance Firewall, allowing attackers to log in as root users. Vulnerabilities Web Security

What Is The Benefit Of A Web Application Firewall?


Now that you know all about web application firewalls (WAFs), you may be wondering: What is the benefit of a web application firewall? The post What Is The Benefit Of A Web Application Firewall? Web Application Firewall

Cisco Secure Firewall Threat Defense Virtual now supported on Cisco HyperFlex

Cisco Retail

Today, we are driving simplified security to your hyperconverged infrastructure (HCI), delivering support for Cisco Secure Firewall Threat Defense Virtual (formerly FTDv/NGFWv) on Cisco HyperFlex. Cisco Secure Firewall Threat Defense Virtual for Private Cloud.

Eight Common OT / Industrial Firewall Mistakes


Firewalls are easy to misconfigure. While the security consequences of such errors may be acceptable for some firewalls, the accumulated risks of misconfigured firewalls in a defense-in-depth OT network architecture are generally unacceptable.

Secure Workload and Secure Firewall – Unified Segmentation

Cisco Retail

host-based firewalls) or by a device that sits in the network (e.g., network firewalls or cloud provider security groups). 2) Firewall Management Center (FMC). 3) Firewall Threat Defense (FTD). Some questions may never be answered: Tea or Coffee? Cricket or Baseball?

Ask a Security Professional: Firewall Series – Part One: Network Firewalls


One question that SiteLock encounters quite often is “Why do I need a firewall when my host has one?” If you haven’t spent a good portion of your life researching firewalls, it’s easy to understand why you’d ask. In Part One below, we’re covering Network Firewalls.

What Does A Web Application Firewall Do?


A web application firewall (WAF) can help. What does a web application firewall do? Unlike a classic firewall working at the network level, a WAF protects you at the application level. […]. The post What Does A Web Application Firewall Do? Web Application Firewall

How To Turn Off A Web Application Firewall: What You Need To Know


A web application firewall (WAF) is a powerful tool for protecting your website or web applications against hackers, bots, and other malicious visitors. The post How To Turn Off A Web Application Firewall: What You Need To Know appeared first on The SiteLock Blog.

Hackers Mount Zero-Day Attacks on Sophos Firewalls


A pre-auth SQL injection bug leading to remote code execution is at the heart of a data-stealing campaign against XG firewalls, using the Asnarok trojan. Vulnerabilities Web Security asnarok trojan Attacks cyberattack Data Stealing Sophos sql injection vulnerability xg firewall zero day