Network Engineering

JANUARY 11, 2025

I am setting up an OPNSense firewall for my home network and home lab. I have setup OPNSense as part of a network defense class. However, the devices were virtualized and we did not have to do any wiring. Below, I have an image of two ways I believe the wiring should be done. Which scenario is correct?

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Cisco Wireless

SEPTEMBER 10, 2024

Secure Network Analytics 7.5.1 This release provides features including expanded firewall log ingestion, custom dashboards, better ISE integration, and much more. is now available.

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The Network DNA

NOVEMBER 26, 2024

Basic configurations on Cisco ASA Firewall - Part 1 As a part of the understanding on the basics of Cisco ASA firewalls, these are some of the commands used to configure Cisco ASA firewall in real scenario. Cisco ASA Firewall in a Network What is Cisco ASA Firewall? How to check the show version command ?

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CATO Networks

SEPTEMBER 15, 2022

However, network firewalls are still a relevant and vital security solution in the era of the cloud. The interconnection between on-prem and cloud environments and between applications within cloud deployments makes network security vital to cloud security.

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The Network DNA

NOVEMBER 26, 2024

Basic configurations on Cisco ASA Firewall - Part 2 As a part of the understanding on the basics of Cisco ASA firewalls, these are some of the commands used to configure Cisco ASA firewall in real scenario. Cisco ASA in a Network Configuring DHCP, AAA, and SSH NDNA-ASA(config)# dhcpd address 10.10.10.3-10.10.10.100

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Packet Pushers

SEPTEMBER 3, 2021

Today's Heavy Networking podcast dives into academic research on DDoS attack techniques. Our guests have published a paper about how the TCP protocol and middleboxes such as firewalls can be weaponized by bad actors and used in reflective amplification attacks.

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CATO Networks

MAY 3, 2021

Cracks are forming at the base of the cloud firewall. The shift to multicloud strategies and the rapid evolution of network-based threats are uncovering weaknesses in cloud firewalls. Instead, many companies are adopting Firewall-as-a-Service (FWaaS) solutions. What is a Cloud Firewall Used For? Lets find out.

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Kentik

FEBRUARY 15, 2023

In recent years, the rapid development of cloud-based networking, network abstractions such as SD-WAN, and controller-based campus networking has meant that basic, day-to-day network operations have become easier for non-network engineers. The new role of the network expert So, what’s left?

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Network Engineering

DECEMBER 18, 2024

I am trying to create a ssl vpn connection through my office sophos firewall and in order to do that, I have to add a group to the ssl vpn policy. And that is only logical when I am able to add user to that group but alas, I can not register or create a new user.

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Packet Pushers

DECEMBER 13, 2021

This week's Network Break asks whether Broadcom's acquisition of AppNeta, which offers SaaS-based digital experience monitoring, is a good fit. We look at new features in the SONiC network OS, dive into a new firewall service available from Cloudflare, and more IT news.

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CATO Networks

JULY 19, 2023

I read with some surprise the interview with Zscalers CEO, Jay Chaudry, in CRN where he stated that the network firewalls will go the way of the mainframe, that the network is just plumbing and that Zscaler proxy overlay architecture will replace it with its application switchboard. The proxy firewalls faded. I guess not.

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Kentik

FEBRUARY 8, 2023

Traffic telemetry is the data collected from network devices and used for analysis. As a critical input to a network observability platform, this data can help monitor and optimize network performance, troubleshoot issues, and detect security threats. Monitoring network traffic can be expensive.

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CATO Networks

APRIL 6, 2023

But only a few can securely cloudify the datacenter firewall. This is because datacenter firewalls dont just address the need for secure Internet access, which is the main SSE capability. In this blog post, we explore which capabilities a datacenter firewall-replacing SSE needs to have. Download the White Paper 3.

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CATO Networks

OCTOBER 25, 2022

Firewalls – the foundation of an organizations network security strategy – filters network traffic and can enforce an organizations security rules. However, a firewall is only effective if it can accurately identify network traffic and apply the appropriate security policies and filtering rules.

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CATO Networks

OCTOBER 11, 2022

The Upside-Down World of Networking & Security | Webinar Firewall Management is a Major Chore Closing these security gaps requires the ability to reduce security teams workloads to a manageable level. One area with significant room for improvement is firewall management.

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Packet Pushers

MAY 8, 2023

Take a Network Break! This week we discuss a new Azure-native cloud firewall from Palo Alto Networks, why pharma giant Merck might be owed a big settlement from its cyber-insurers, and why HPE wants to simplify its branding. Take a Network Break!

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Obkio

FEBRUARY 25, 2024

Discover the ultimate lineup of 13 top-notch firewall monitoring tools. Find the best solution to enhance your digital security and fortify your network.

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Firewall Network Networking 52

Confluent

JANUARY 21, 2021

This year’s pandemic has forced businesses all around the world to adopt a “remote-first” approach to their operations, with an emphasis on better enabling collaboration, remote work, and productivity. This […].

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Firewall Network Networking 81

CATO Networks

APRIL 19, 2021

Lets take a look to find out what s beyond the UTM and the future of network security. Firewalls Evolve Over the Years Before the UTM, there was the basic firewall. Traditionally, port 80 of the firewall bore extra scrutiny because this is where web traffic came in.

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NW Kings

JANUARY 14, 2025

Palo Alto Networks offers a variety of cybersecurity solutions that are specifically designed for different environments and requirements. Product Lines Overview The security solution offered by Palo Alto Networks is organized in three main product lines: Strata, Prisma, and Cortex.

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Network Engineering

FEBRUARY 27, 2024

I'm currently in the process of setting up a new Fortigate Firewall and have run into an issue while configuring DNAT. However, even before I could get to setting up the firewall rules, pinging the host was already not working, even though it should still function and is already allowed.

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Kentik

APRIL 4, 2023

When evaluating solutions, whether to internal problems or those of our customers, I like to keep the core metrics fairly simple: will this reduce costs, increase performance, or improve the network’s reliability? It’s often taken for granted by network specialists that there is a trade-off among these three facets. Durability.

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CATO Networks

NOVEMBER 4, 2021

If you’re like many of the IT leaders we encounter, you’re likely facing a refresh on your firewall appliances or will face one soon enough. And while the standard practice was to exchange one firewall appliance for another, increasingly, enterprises seem to be replacing firewall appliances with firewall-as-a-service (FWaaS).

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NW Kings

JANUARY 4, 2025

Are you looking to kickstart your career as a (network engineer)? In this comprehensive guide, we will (1) explore essential steps and courses you need to take to thrive in networking field by 2025. For freshers without network experience, enrolling in live courses is highly recommended. Many candidates linger on CCNA for years.

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CATO Networks

SEPTEMBER 22, 2022

On one hand, the widespread use of SSL/TLS can help protect against phishing attacks or the exposure of user credentials and other sensitive data to someone eavesdropping on corporate network traffic. Network security solutions can overcome these challenges, but it comes at a cost.

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Kentik

JUNE 27, 2023

Kentik customers move workloads to (and from) multiple clouds, integrate existing hybrid applications with new cloud services, migrate to Virtual WAN to secure private network traffic, and make on-premises data and applications redundant to multiple clouds – or cloud data and applications redundant to the data center.

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Docker Blog

JANUARY 16, 2025

However, it requires that your source control system and network environment support webhooks. Poll SCM is useful if your environment cant support incoming webhooks for example, if youre behind a corporate firewall or your repository isnt configured for outbound hooks.

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Packet Pushers

APRIL 4, 2022

Today's Network Break examines new network fabric automation capabilities from Aruba, new network and security gear from Arista that opens up brand new markets for the company, a cloud-native firewall for AWS from Palo Alto Networks, an update on an attack against a satellite network, and more tech news.

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Cisco Wireless

SEPTEMBER 10, 2024

Secure Network Analytics 7.5.1 This release provides features including expanded firewall log ingestion, custom dashboards, better ISE integration, and much more. is now available.

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Packet Pushers

NOVEMBER 11, 2022

Heavy Networking welcomes sponsor Netris to the show with a special episode for you network nerds who are really getting into automation, infrastructure as code, pipelines, and so on. Netris is all about bringing that public cloud VPC experience to the network youve already got.

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Packet Pushers

MAY 9, 2022

Take a Network Break! This week we cover a vulnerable implementation of a TLS module that affects switches from HPE Aruba and Extreme Networks' Avaya brand, Cisco teases a forthcoming technology called Predictive Networks that promises analytics and automated problem-solving, Fortinet announces new firewalls, and more IT news.

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Packet Pushers

MAY 4, 2021

This Tech Bytes podcast explores the network assurance and verification feature in VMware's vRealize Network Insight network monitoring software. This feature builds a real-time model of your production network by collecting information from switches, routers, firewalls, and other network devices.

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Packet Pushers

SEPTEMBER 12, 2023

On today's sponsored Heavy Networking we talk with Fortinet about how it converges network and security across the breadth of its portfolio. Fortinet is best known for its firewalls, but the company also offers campus and branch switches, has a wireless portfolio, offers SD-WAN and SASE, provides AI-supported operations, and more.

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Packet Pushers

FEBRUARY 26, 2021

Today's Heavy Networking episode is a grab bag of topics delivered in our community roundtable format. Five engineers join Ethan Banks and Greg Ferro to talk about subjects including IPv6, SmartNICs, firewall rule management, becoming a manager, and other topics.

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Packet Pushers

FEBRUARY 7, 2022

Take a Network Break! This weeks tech news includes new cloud-delivered security services from Juniper Networks and Cato Networks, new firewall hardware from Fortinet, prognostications on the campus switch market, Cisco teasing a private 5G service, and more. Take a Network Break!

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DoorDash Engineering

NOVEMBER 29, 2022

As DoorDash’s business grows, engineers strive for a better network infrastructure to ensure more third-party services could be integrated into our system while keeping data securely transmitted. The following sections will discuss how our team established network connections with such vendors.

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Packet Pushers

DECEMBER 18, 2023

Broadcom’s VMware has announced an end to perpetual licensing, network automation provider Anuta Networks is adding generative AI capabilities to its Atom platform, and high-end firewall revenues dip but campus switch sales soared in Q3 2023.

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