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Network management vulnerability exposes cable modems to hacking

Hundreds of thousands of internet gateway devices around the world, primarily residential cable modems, are vulnerable to hacking because of a serious weakness in their Simple Network Management Protocol implementation.

SNMP is used for automated network device identification, monitoring and remote configuration. It is supported and enabled by default in many devices, including servers, printers, networking hubs, switches and routers.

Independent researchers Ezequiel Fernandez and Bertin Bervis recently found a way to bypass SNMP authentication on 78 models of cable modems that ISPs from around the world have provided to their customers.

Their internet scans revealed hundreds of thousands of devices whose configurations could be changed remotely through the SNMP weakness that they found and dubbed StringBleed.

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Why 2x2 Wave 2 access points make no sense

Everyone loves the latest and greatest technology. A new iPhone comes out, and people camp out at the stores to buy one. Microsoft releases a new version of Xbox, and they’re sold out for months.

Sometimes, though, the newest thing doesn’t make sense because the incremental value of the innovation is limited. In technology, this doesn’t happen very often, but I believe there’s a current “latest and greatest” that provides limited value—and that’s the 2x2 Wave 2 access points (AP) that are now available from many of the mainstream Wi-Fi providers.

Before I explain my opinion on this, it’s worth doing a quick refresh of Wave 1 versus Wave 2 because it’s important to understand the principals of Wave 2. Below are the benefits of 802.11ac Wave 2 versus Wave 1: 

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If software eats everything, are network engineers on the menu?

If you're a network engineer, don't rush out and learn a programming language. To compete in the new world of software-defined networking, it might be more important to start thinking like a programmer.

That was one of the ideas that emerged this week from an Open Networking User Group debate that generated healthy feedback from users in the audience.

The days of managing individual switches and routers and configuring them with proprietary CLIs (command-line interfaces) are numbered, four panelists at the ONUG spring conference in San Francisco said on Tuesday. Though SDN hasn't worked its way into every enterprise, new approaches to enterprise IT and the availability of public clouds just a few clicks away are driving companies toward more agile and automated networks, they said.

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F5’s new CEO shares his early impressions, his vision for the app delivery powerhouse


F5’s new President and CEO, Francois Locoh-Donou, took over the reins of the application delivery networking company April 3, replacing longtime leader John McAdam who retired in 2015 but stepped back into the position when his replacement resigned in December of that year for “personal conduct matters.”  Locoh-Donou was mostly recently COO of Ciena, a telecom equipment supplier.  Network World Editor in Chief John Dix talked with Locoh-Donou yesterday about his plans and ambitions for F5 after Locoh-Donou hosted his first F5 quarterly earnings call (Q2 revenue up 7% year-over-year to $518 million). 

Given your history in the technology business, are there any experiences in particular that will guide you in this new role?

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How to install Citadel groupware server on Ubuntu 16.04
If your company needs an in-house groupware solution, but you don't want to break the bank, Jack Wallen shows you how to get Citadel up and running on Ubuntu for a cost-effective solution.
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