Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Servers/Hardware. Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

APRIL 2, 2021

This post provides some examples of shared control planes (and thus shared failure domains) within networking. In this post , Jakub Sitnicki digs way deep into the Linux kernel to uncover the answer to the question, “Why are there no entries in the conntrack table for SYN packets dropped by the firewall?” Servers/Hardware.

Vmware 60

Vmware Firewall Storage Comparison 60

SecureWorld News

JANUARY 21, 2024

For example, in one of the most notable cases of a cyberattack on a nonproft, $650,000 was stolen from One Treasure Island , and the attack vector used was a third-party bookkeeping solution. For instance, hardware- or software-based firewalls can monitor incoming and outgoing network traffic and block suspicious activity.

Nonprofit 89

Nonprofit Strategy Budget Backup 89

Scott Lowe

MAY 3, 2013

I try to keep the information linked to data center technologies like networking, storage, virtualization, and the like, but occasionally other items slip through. Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ). Servers/Hardware.

Vmware 106

Vmware Storage Virtualization HP 106

Data Center Knowledge

JULY 23, 2013

They manage dedicated firewalls for us, but as far as load balancers we use the cloud. When we need highly detailed control over the firewalls, Latisys provided us with dedicated.”. I wasn’t sure cloud load balancing would be right, for example, but they showed us the numbers. We had the same conversation about firewalls.

Cloud 189

Cloud Data Data Center Firewall 189

Scott Lowe

AUGUST 11, 2016

In this post you’ll find a collection of links to articles discussing the major data center technologies—networking, hardware, security, cloud computing, applications, virtualization…you name it! (If Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Servers/Hardware. Virtualization.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

AUGUST 16, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Servers/Hardware. Anthony Burke gives a little bit of a sneak peek at some functionality from the upcoming v3 release of PowerNSX: searching NSX Distributed Firewall (DFW) rules.

Windows 60

Windows Virtualization Devops Vmware 60

TM Forum

SEPTEMBER 10, 2021

Take the example of an enterprise that wants to buy a cost-effective connectivity service with a firewall supporting 1,000 sessions per minute for a specified office site. They may be operating across geographies, languages and currencies, using physical and virtual products from a range of suppliers. Read the new. white papers.

B2C 100

B2C Software Software Enterprise 100

SecureWorld News

APRIL 9, 2023

The browser isolation technique considers non-whitelisted websites unreliable and isolates them from the local machine in a virtual environment. However, conventional solutions such as antivirus, firewalls, and other detection and blocking tools can only offer a limited level of security.

Security 86

Security Malware Virtualization Network 86

Scott Lowe

NOVEMBER 7, 2014

Servers/Hardware. While all the attention is “up the stack,” there are still some occasions when you need to worry about the details in the hardware. Kevin Houston’s recent article on selecting the right memory for your blade server is one such example. Here’s one such example. Virtualization.

Vmware 65

Vmware Linux Storage Virtualization 65

Galido

MAY 30, 2019

Hardware and software components that make up the CDE include network devices, applications, and computing devices. For example, employees may use devices such as USB drives to access sensitive data. Improving data access security will require the implementation of various controls such as encryption methods and firewalls.

Network 60

Network Firewall LAN Storage 60

Scott Lowe

APRIL 29, 2015

These protections are also expensive to implement in hardware. Ivan indicates that some networks are already built this way—an example is T-Mobile’s mobile network, which in some cases uses only IPv6. Products that support IPv6 and IPv4 host route-based forwarding include Hyper-V Network Virtualization, Juniper Contrail, and Cisco DFA.

IPv6 60

IPv6 Firewall Network Mobile 60

Galido

FEBRUARY 5, 2019

Or will you be able to expand your website in the future (by adding additional domain names and e-mail addresses, for example) while paying only for what you need? Ensure that your host specializes in custom firewalls for your CMS if you are using one, and updates web server scripts and systems regularly. Virtual Private Server.

Backup 103

Backup Resources Security Virtualization 103

Scott Lowe

DECEMBER 10, 2015

Servers/Hardware. We all know that security is more than just a host-based firewall, but a host-based firewall can be part of an overall security strategy. This article provides a good introductory overview of Linux iptables commands for configuring host-based firewall rules on your Linux systems. Virtualization.

Firewall 60

Firewall Windows Linux Architecture 60

Galido

JUNE 28, 2018

Monitoring of virtual servers. Monitoring QoS (Quality of service, for example, to monitor VoIP). As devices are discovered, probes will also detect the services and hardware it can monitor. Reducing the costs by buying only the hardware you need. Application monitoring. Web monitoring. Environmental monitoring.

Network 60

Network LAN VOIP Licensing 60

Scott Lowe

MARCH 10, 2015

What’s really interesting to me is the (completely uncoordinated) alignment between Matt’s list of skills for networking pros and the list I provided to virtualization pros in a series of recent VMUG presentations (refer to slide 15, but the list is software development basics, Linux, automation/orchestration, and public cloud services).

Vmware 60

Vmware Linux Hardware Software Development 60

Scott Lowe

MARCH 2, 2017

OK, now that I’ve mentioned Skydive, I can talk about this article that provides an example of functional SDN testing with Terraform and Skydive. Terraform is used to turn up OpenStack infrastructure, and Skydive (via connections into Neutron and OpenContrail, in this example) is used to validate SDN functionality. Servers/Hardware.

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

MARCH 17, 2016

Servers/Hardware. Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. Some of Anthony Burke’s work here may also be useful; for example, check out his recent article on using Log Insight to assist with achieving microsegmentation. Virtualization.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

APRIL 8, 2013

Greg Ferro examines a potential SDN use case (an OpenFlow use case) in the form of enterprise firewall migrations. Servers/Hardware. He then goes on to provide examples of how organizations building or leveraging clouds are synthesizing these various independent technological innovations together. Virtualization.

Storage 108

Storage Vmware WAN Virtualization 108

Fountainhead

MAY 12, 2009

Insights into Data Center Infrastructure, Virtualization, and Cloud Computing. This approach eliminates costly/redundant staging environments M Apps for dev and test uses For example, where environment and regression testing is concerned, and environments are built and torn-down frequently. skip to main | skip to sidebar. Fountainhead.

Cloud 186

Cloud Data Center Applications Virtualization 186

Scott Lowe

SEPTEMBER 8, 2016

Dmitri Kalintsev is back with another article in a series of articles on using hardware VXLAN tunnel endpoints (VTEPs) with VMware NSX. Servers/Hardware. The use of VMware NSX for microsegmentation is a really popular use case, and so the topic of scripting distributed firewall (DFW) rules often comes up. Virtualization.

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

AUGUST 26, 2014

Poonen uses an example of a rooftop infinity pool in Singapore as a metaphor for the “three foundations” of EUC: SDDC, workspace services (authentication and content collaboration, for example), and then the desktop/mobile/cloud experience. .” Today’s environments are far more heterogenous than in the past.

Vmware 63

Vmware Architecture Applications Storage 63

Scott Lowe

APRIL 24, 2015

If you’re looking for more examples of how to incorporate these sorts of tools into your own network automation workflow, I’d recommend having a look at this article. This article by Russell Bryant is a great overview and update of the work going on with Open Virtual Network (OVN). Servers/Hardware. Virtualization.

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

FEBRUARY 10, 2015

tech preview of virtual networks for Docker. Tom’s key point is that disaggregating software from hardware—which is kind of a given if you’re buying whitebox networking gear—gives you the (potential) flexibility to repurpose network gear based on the software running on it. Servers/Hardware. Virtualization.

Open Source 60

Open Source Vmware Network IBM 60

Scott Lowe

MAY 12, 2016

Servers/Hardware. In the event you’re interested in an idea of how much latency the use of in-kernel hypervisor firewalling (such as that offered by VMware NSX) adds, have a look at this article by Sean Howard. Virtualization. It’s a good post, well worth reading (in my opinion). Nothing this time around. Maybe next time?

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

AUGUST 25, 2015

In this post, I’ve gathered links to posts about networking, virtualization, Docker, containers, Linux, configuration management, and all kinds of other cool stuff. Servers/Hardware. Roie Ben Haim, who works in professional services at VMware, has a deep dive on the NSX distributed firewall (DFW). Networking.

Vmware 60

Vmware Linux Virtualization Tools 60

ForAllSecure

APRIL 4, 2023

And other hardware. So you've got auto scaling groups, or like virtual machines and kind of easy to use this as an example, your containerization as well instead of list environments, where again, you're only kind of using the resources you need. So you might see there is a suspicious login as an example. This is great.

Cloud 40

Cloud Government Data Security 40

ForAllSecure

AUGUST 10, 2021

Vamosi: The Chrysler Secure Gateway is a kind of firewall that doesn't allow everyone to send data to the car. There are for example cables that require you to have physical access to the car and effectively defeat the gateway that way. For example, there were cars to hack, talks, and even a capture the flag event.

Automotive 52

Automotive Operating Systems System Tools 52

Sean Daniel

JUNE 29, 2011

Clients on the network also still need to use the SBS DNS Server in order for Active Directory to work, or to resolve the server and other services on the network (for example, client backup doesn’t work unless DNS is operating correctly). I'm wondering if it could be an adapter (hardware) issue. Virtualization.

Small Business 58

Small Business LAN Windows IPv6 58