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Category Archives for "Security"

NSX-V 6.3: Cross-VC NSX Security Enhancements

NSX-V 6.2 introduced the Cross-NSX feature to allow for NSX logical networking and security across multiple vCenter domains. The ability to apply consistent networking and security across vCenter domains provides for mulitple use cases for Cross-VC NSX: workload mobility, resource pooling, multi-site security, ease of automation across sites, and disaster avoidance/recovery. With the recent release of NSX-V 6.3, several enhancements have been added to the Cross-VC NSX feature to provide for additional capabilities and overall robustness of the solution. In this blog post I’ll discuss the new Cross-VC NSX security enhancements in NSX-V 6.3. For additional information on Cross-VC NSX check-out my prior Cross-VC NSX blog posts.

The security enhancements for Cross-VC NSX can be grouped into two categories:

  1. General Enhancements (Apply Across both Active/Active and Active/Standby deployment models)
  2. Enhancements for Active/Standby Use Case

Active/Active and Active/Standby above refers to if the application is active at both sites or if it is active at one site and standby at another site (ex: disaster recovery). Enhancements for both of these respective categories are discussed in more detail below.

1.) General Enhancements (Apply Across both Active/Active and Active/Standby deployment models)

Figure 1: Cross-VC NSX Active/Standby and Active/Active Deployment Model

Figure 1: Cross-VC NSX Active/Standby and Continue reading

Locking Down Docker To Open Up Enterprise Adoption

It happens time and time again with any new technology. Coders create this new thing, it gets deployed as an experiment and, if it is an open source project, shared with the world. As its utility is realized, adoption suddenly spikes with the do-it-yourself crowd that is eager to solve a particular problem. And then, as more mainstream enterprises take an interest, the talk turns to security.

It’s like being told to grow up by a grownup, to eat your vegetables. In fact, it isn’t like that at all. It is precisely that, and it is healthy for any technology …

Locking Down Docker To Open Up Enterprise Adoption was written by Timothy Prickett Morgan at The Next Platform.

Introducing Docker Secrets Management

Containers are changing how we view apps and infrastructure. Whether the code inside containers is big or small, container architecture introduces a change to how that code behaves with hardware – it fundamentally abstracts it from the infrastructure. Docker believes that there are three key components to container security and together they result in inherently safer apps.

A critical element of building safer apps is having a secure way of communicating with other apps and systems, something that often requires credentials, tokens, passwords and other types of confidential information—usually referred to as application secrets. We are excited to introduce Docker Secrets, a container native solution that strengthens the Trusted Delivery component of container security by integrating secret distribution directly into the container platform.

With containers, applications are now dynamic and portable across multiple environments. This  made existing secrets distribution solutions inadequate because they were largely designed for static environments. Unfortunately, this led to an increase in mismanagement of application secrets, making it common to find insecure, home-grown solutions, such as embedding secrets into version control systems like GitHub, or other equally bad—bolted on point solutions as an afterthought.

Introducing Docker Secrets Management

We fundamentally believe that apps are safer if Continue reading

Mitigating DDoS

Your first line of defense to any DDoS, at least on the network side, should be to disperse the traffic across as many resources as you can. Basic math implies that if you have fifteen entry points, and each entry point is capable of supporting 10g of traffic, then you should be able to simply absorb a 100g DDoS attack while still leaving 50g of overhead for real traffic (assuming perfect efficiency, of course—YMMV). Dispersing a DDoS in this way may impact performance—but taking bandwidth and resources down is almost always the wrong way to react to a DDoS attack.

But what if you cannot, for some reason, disperse the attack? Maybe you only have two edge connections, or if the size of the DDoS is larger than your total edge bandwidth combined? It is typically difficult to mitigate a DDoS attack, but there is an escalating chain of actions you can take that often prove useful. Let’s deal with local mitigation techniques first, and then consider some fancier methods.

  • TCP SYN filtering: A lot of DDoS attacks rely on exhausting TCP open resources. If all inbound TCP sessions can be terminated in a proxy (such as a load balancer), Continue reading

Technology Short Take #77

Welcome to Technology Short Take #77. I’ve got a new collection of links and articles from around the Web on various data center-focused technologies.

Networking

ENISA online training material updated and extended — ENISA

Free Training materials on IT Security incident and breach response. Looks quite good.

The new training material provides a step-by-step guide on how to address and respond to incidents, as an incident handler and investigator, teaching best practices and covering both sides of the breach. The material is technical and aims to provide a guided training both to incident handlers and investigators, while providing lifelike conditions. The training material mainly uses open source and free tools.

ENISA online training material updated and extended — ENISA : https://www.enisa.europa.eu/news/enisa-news/enisa-online-training-material-updated-and-extended

The post ENISA online training material updated and extended — ENISA appeared first on EtherealMind.

Introducing VMware NSX for vSphere 6.3 & VMware NSX-T 1.1 

This past week at VMware has been quite exciting! Pat Gelsinger, VMware CEO, reported on the Q4 2016 earnings call that VMware NSX has more than 2,400 customers exiting 2016. Today, we continue that momentum by announcing new releases of our two different VMware NSX platforms – VMware NSX™ for vSphere® 6.3 and VMware NSX-T 1.1.

These releases continue to accelerate digital transformation for organizations through the most critical IT use cases – Security, Automation, and Application Continuity – while expanding support for new application frameworks and architectures.

NSX use case projects

As more and more customers adopt NSX for vSphere, we continue to add features to make it easier for you to deploy, operate and scale-out your environment. NSX empowers customers on their cloud journey. It is driving value inside the data center today and expanding across datacenters and to the cloud via our Cloud Air Network partnerships, and soon to VMware Cloud on AWS and native public cloud workloads via VMware Cross-Cloud Services.

Let’s take a look at some of the new features in NSX for vSphere 6.3:

Security

Some of the new capabilities delivered in NSX for vSphere 6.3 are the Application Rule Manager (available in NSX Advanced Continue reading

Home products that fix/mitigate bufferbloat…

My new years resolution is to restart blogging.

Trying to steer anything the size of the Internet into a better direction is very slow and difficult at best. From the time changes in the upstream operating systems are complete to when consumers can buy new product is typically four years caused by the broken and insecure ecosystem in the embedded device market. Chip vendors, box vendors, I’m looking at you… So much of what is now finally appearing in the market is based on work that is often four years old. Market pull may do what push has not.

The fq_codel & cake work going on in the bufferbloat project is called SQM – “smart queue management.”

See What to do About Bufferbloat for general information. And the DSLReports Speedtest makes it easy to test for bufferbloat. But new commercial products are becoming increasingly available.  Here’s some of them.

Evenroute IQrouter

First up, I’d like call out the Evenroute IQrouter. DSL users have often suffered more than other broadband users, due to bad bloat in the modems compounded by minimal bandwidth, so the DSL version of the IQrouter is particularly welcome.   Often DSL ISP’s seem to have the tendency (more Continue reading

1984 is the new Bible in the age of Trump

In the age of Trump, Orwell's book 1984 is becoming the new Bible: a religious text which few read, but which many claim supports their beliefs. A good demonstration is this CNN op-ed, in which the author describes Trump as being Orwellian, but mostly just because Trump is a Republican.

Trump's populist attacks against our (classically) liberal world order is indeed cause for concern. His assault on the truth is indeed a bit Orwellian. But it's op-eds like this one at CNN that are part of the problem.

While the author of the op-ed spends much time talking about his dogs ("Winston", "Julia"), and how much he hates Trump, he spends little time on the core thesis "Orwellianism". When he does, it's mostly about old political disagreements. For example, the op-ed calls Trump's cabinet appointees Orwellian simply because they are Republicans:
He has provided us with Betsy DeVos, a secretary of education nominee who is widely believed to oppose public education, and who promotes the truly Orwellian-sounding concept of "school choice," a plan that seems well-intentioned but which critics complain actually siphons much-needed funds from public to private education institutions.
Calling school-choice "Orwellian" is absurd. Republicans want to Continue reading