Network Engineering

SEPTEMBER 12, 2023

Starting from the following network topology: Internet ISP Cable Router Firewall Router rest of the network / multiple VLANs (port forwarding) | DMZ I had to expose two VLANs over the internet through VPN for two groups of users.

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VPN Server Routers Port 130

Network Engineering

NOVEMBER 21, 2023

My company utilizes a Fortinet firewall, but we currently do not have a FortiAnalyzer. We are seeking to obtain statistics on the usage of an internet interface's bandwidth, specifically over a 24-hour period. How can we achieve this without a FortiAnalyzer instance?

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Bandwidth Firewall Internet 130

CATO Networks

DECEMBER 14, 2017

The growing amount of encrypted traffic coupled with the security appliances limited processing power is forcing enterprises to reevaluate their branch firewalls. The appliances simply lack the capacity to execute the wide range of security functions, such as next-generation firewall (NGFW) and IPS, needed to protect the branch.

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Firewall WAN Internet Encryption 52

The Network DNA

JUNE 10, 2024

Understanding "XLATE" (translation) table in Cisco ASA Firewall Many of you already heard about the "XLATE" table in Cisco ASA Firewall but some of you want to understand what exactly it is and what is the purpose of this table. The ASA firewall utilizes the XLATE database to manage both dynamic and static NAT translations.

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Firewall IP Address TCP Port 52

CATO Networks

MARCH 23, 2025

Transitioning to Cloud-Based Firewall-as-a-Service (FWaaS) Traditional datacenter firewalls are expensive to maintain and complex to scale. By adopting FWaaS , enterprises gain centralized policy enforcement and eliminate the need for on-premises firewall appliances, streamlining operations and improving security.

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SASE LAN Firewall WAN 59

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? Enter cloud firewalls.

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Firewall Cloud SASE MPLS 52

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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Firewall LAN WAN Internet 52

CATO Networks

JULY 2, 2017

Theres been a lot of hype around Firewall as a Service (FWaaS). After all, managed firewall services are certainly not new. But FWaaS is fundamentally different from a managed firewall service. Well analyze those issues in our upcoming The Hype Around Firewall As A Service webinar. Click here to register now.

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Firewall WAN Network Security Internet 52

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 10.10.10.3-10.10.10.100 255.255.255.0

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Firewall IP Address VPN Port 52

CATO Networks

APRIL 23, 2018

Every organization eventually needs to re-evaluate their existing firewall vendors. In these situations, network managers need to evaluate the state of their vendors firewall and the future viability of their security software and hardware. UTM appliances are no exception, with rules for each appliance requiring diligent maintenance.

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Firewall Network Security Cloud WAN 52

Akins IT

NOVEMBER 22, 2019

SECURING YOUR AZURE VIRTUAL NETWORK WITH A NEXT GENERATION FIREWALL PART 4: ROUTING, FIREWALL POLICIES, AND SECURITY PROFILES User Defined Routes (UDR) By default, Azure networks automatically generate system routes for connectivity between subnets within a VNET. A default route of 0.0.0.0/0

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Firewall Encryption Internet Networking 52

CATO Networks

AUGUST 23, 2016

We recently held a webinar focused on educating network professionals about Firewall as a Service (FWaaS). Direct internet access: Today, most employee traffic is internet traffic – either for business use (e.g. Backhaul traffic through the company datacenter and exit to the internet from a central location.

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Firewall Network Security Networking Network 52

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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Firewall Cloud SASE Wide Area Network 52

CATO Networks

JULY 7, 2016

About 10 years ago, a small startup, Palo Alto Networks, innovated the Next Generation Firewall (NGFW). Existing enterprise firewalls relied on the use of specific ports to apply application security rules. Furthermore, mobile users directly accessed Cloud applications without going through the firewall at all.

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Firewall Network Security Networking Network 52

CATO Networks

OCTOBER 25, 2016

With 13 locations and 900 employees, Universal Mental Health Services made the inevitable decision to eliminate theirbranch firewalls with Cato Networks. Challenge UMHS network was originally designed to have all 12 branches connected via MPLS and backhauling to a primary datacenter with one central firewall.

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Firewall MPLS Internet Networking 52

CATO Networks

JUNE 19, 2017

In a 2016 Hype Cycle for Infrastructure Protection report , Gartner Analyst Jeremy DHoinne initiated the emerging category of Firewall as a Service (FWaaS). This is the first time an established firewall vendor that had built its business on selling appliances is offering its core platform as a cloud service.

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Firewall WAN Network Security Cloud 52

Akins IT

MARCH 13, 2023

The good news is that there is a solution : Fortinet's Security Fabric and Next Generation Firewalls. Safeguarding Your School's IT Infrastructure: The Power of Network Firewalls Thankfully, a specialized school firewall can provide the protection you need to keep your school safe and running smoothly.

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Firewall Networking Network Education 52

CATO Networks

JULY 13, 2016

In new research published by Gartner on July 6th, Analyst Jeremy DHoinne introduced a new technology segment: Firewall-as-a-Service ( FWaaS ). As the name suggests, the segment is focused on the migration of on-premise firewalls to the Cloud.

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Firewall Wide Area Network WAN Network Security 52

CATO Networks

DECEMBER 17, 2019

Traditional firewall security simply cant keep up with the challenges created by these new network paradigms. As a result, when I discuss firewall security with enterprises today, there are three reoccurring themes: visibility, scalability, and convergence. Lets find out.

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Firewall Networking Network SASE 52

CATO Networks

DECEMBER 7, 2016

It really wasnt very long ago when installing a Firewall (FW) or Unified Threat Management (UTM) system at the perimeter was deemed secure enough to protect corporate networks. The complexity and costs of managing sprawling hardware become harder to escape as you try to enable Direct Internet Access for your branch locations.

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Firewall Networking Network IaaS 52

CATO Networks

MARCH 27, 2018

Essentially all traffic is pull back to an on-premise firewall and from there put out onto the Internet. Another way to secure mobile and remote traffic is by and securing internet traffic locally, causing appliance sprawl. 2 Single global firewall FwaaS truly eliminates the appliance form factor. The result?

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Firewall MPLS Internet Cloud 52

CATO Networks

OCTOBER 25, 2022

Firewalls – the foundation of an organizations network security strategy – filters network traffic and can enforce an organizations security rules. By limiting the traffic that enters and leaves or enters an organizations network, a firewall can dramatically reduce its vulnerability to data breaches and other cyberattacks.

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Firewall Application Protocol SASE 52

CATO Networks

APRIL 15, 2018

Since the beginning of networks, the lynchpin of network security has been the firewall. The first network firewalls appeared in the late 1980s, and gained almost universal acceptance by the early 1990s. So what is a Firewall as a Service and why do you need it? FWaaS is a new type of a Next Generation Firewall.

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Firewall WAN Network Security Gateway 52

CATO Networks

OCTOBER 11, 2022

Companies are increasingly adopting cloud infrastructure, remote and hybrid work models, and Internet of Things (IoT) and mobile devices. 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.

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Firewall SASE WAN Networking 52

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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Firewall Cloud SASE MPLS 52

CATO Networks

APRIL 19, 2021

Firewalls Evolve Over the Years Before the UTM, there was the basic firewall. All traffic passed through the firewall for basic inspection of security policies based on network information such as the type of protocol or the source/destination addresses. Related content : Read our guide What Is a Network Firewall?

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Firewall SASE Network Security Port 52

CloudFaire

MARCH 19, 2025

However, given our architecture design, we have primarily handled private network application access (applications tied to private IP addresses or hostnames) through the network firewall component of our Secure Web Gateway (SWG) service, Cloudflare Gateway. Just like the Internet, we can use DNS in our private network.

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Application IP Address Gateway DNS 87

Network Engineering

JUNE 2, 2016

(I tried setting to the interface of the VLAN that has the network devices but it did not accept that IP) On VLAN10 I have a port that goes to my firewall / router (Watchguard M300). With this setup I'm able to reach other workstations in the same VLAN and anybody on VLAN10 is able to reach out to the internet. 192.168.10.25

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Routers IP Address Gateway Port 130

CATO Networks

SEPTEMBER 15, 2022

However, network firewalls are still a relevant and vital security solution in the era of the cloud. Network firewalls are a crucial part of this, inspecting traffic flowing between different areas and limiting the risk of threats entering the corporate network or spreading within it.

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Firewall Cloud Networking Network 52

Kentik

MARCH 13, 2023

What changed Over the last 15 years, though, the quality of the public internet has improved significantly. Yes, there’s something to say about how applications are written, but on the public internet side, we’ve seen a decrease in latency, cost, and a massive increase in available bandwidth. Yes, of course, I’m oversimplifying here.

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WAN Wide Area Network Topology Internet 98

CATO Networks

APRIL 4, 2018

Cloud and SaaS traffic must be first brought from the branch to a secured Internet access point at central location. Internet VPNs: Cheaper, But Flawed For the past decade, Internet VPNs have been a staple of many global enterprise WANs. SD-WAN directs WAN traffic across encrypted Internet tunnels.

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MPLS WAN Internet VPN 52

Network Engineering

SEPTEMBER 17, 2021

Aside from bringing our own /24s and the redundancy between the two uplinks, our needs are fairly basic - we have our private network on a totally separate switch, so this is basically one big public network for our rack to reach the internet. Our plan at this point is to use VRRP, but we do have the option to use BGP instead.)

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Networking Network IP Address Port 130

CATO Networks

SEPTEMBER 22, 2022

A growing percentage of Internet traffic is protected by encryption. While estimates vary, most agree that at least 80% of Internet traffic uses SSL/TLS to ensure confidentiality, integrity, and authenticity of the data being transmitted. According to Google , approximately 95% of web browsing uses the encrypted HTTPS protocol.

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Encryption Firewall SASE Network Security 52

CATO Networks

SEPTEMBER 15, 2018

We were a bit surprised to find out that secure, direct Internet access was the top driver. The Internet Challenge for MPLS and Hybrid WAN Traditionally, MPLS was always considered a private network. And, backhaul elimination reduced the latency added in access to the internet — the so-called Trombone Effect.

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MPLS Network Security WAN Internet 52

CloudFaire

MARCH 18, 2025

The new threat events platform leverages the insights from this traffic to offer a comprehensive, real-time view of threat activity occurring on the Internet, enabling Cloudforce One customers to better protect their assets and respond to emerging threats.

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IP Address Internet Email Networking 67

ByteByteGo

NOVEMBER 23, 2024

Live streaming is challenging because the video content is sent over the internet in near real-time. Sending a large volume of video content over the internet takes time. When a device wants to access the internet, it sends a request to your router. The modified request is sent to the internet. But how does it work?

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IP Address Routers Internet Server 100

CloudFaire

DECEMBER 27, 2024

Todays roundup blog post shares two exciting updates across our platform: our cross-platform 1.1.1.1 & WARP applications (consumer) and device agents (Zero Trust) now use MASQUE , a cutting-edge HTTP/3 -based protocol, to secure your Internet connection. Additionally, DEX is now available for general availability.

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