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Poison ping pong prompts patch from Cisco
Thursday, 18 January 2018 13:59

Cisco admins, it's your weekly patch notice.

The patch that gave us our headline is in NX-OS software, which is vulnerable to malicious pong (response to ping) packets.

If the pong packet tries to egress both a FabricPath port and a non-FabricPath port, the software tries to free the same area of memory twice. “An exploit could allow the attacker to cause a dual or quad supervisor virtual port-channel (vPC) to reload,” Cisco's advised .

Exploitation would need a relatively unlikely scenario, however, since Pong is disabled by default, as is FabricPath, and the FabricPath port has to be under

Google's 'QUIC' TCP alternative slow to excite anyone outside Google
Wednesday, 17 January 2018 18:03

Google's contribution to Internet standards, the fast-than-TCP thanks to multiplexing QUIC protocol, has yet to extend much beyond the Chocolate Factory, according to a German report into its adoption.

An experiment from 2012, Google's Quick UDP Internet Connections hit the internet standards track with this draft , and an IETF working group was established in 2016. It has yet to progress to an official standard, and remains proposed at this time .

Jan Rüth and Oliver Hohlfeld (RWTH Aachen University), Ingmar Poese (German analytics company Benocs), and Christoph Dietzel (Technical University, Berlin) probed the internet to count QUIC-enabled servers, and

Google sinks cash into more submarine cables, plans more data centres
Wednesday, 17 January 2018 15:04

Google has made more investments in submarine cables, sinking money into three due to come online in 2019.

First up is the Curie Cable System, which will link the United States and Chile. This one's all Google's: the company says it will “control the design and construction process”, so when the cable is in service it can “make routing decisions that optimise for latency and availability”.

Google hasn't stipulated the number of fibres or lit capacity for Curie, but said it will be the first new cable to land in Chile in the last 20 years.

The cable will have

Long-Range RFID Leaflets
Saturday, 20 January 2018 09:55

Pick a card, any card. [Andrew Quitmeyer] and [Madeline Schwartzman] make sure that any card you pick will match their NYC art installation. “Replantment” is an interactive art installation which invites guests to view full-size leaf molds from around the world.

A receipt file with leaf images is kept out of range in this art installation. When a viewer selects one, and carries it to the viewing area, an RFID reader tells an Arduino which tag has been detected. Solid-state relays control two recycled clothing conveyors draped with clear curtains. The simple units used to be back-and-forth control but through …read more

ESP32 Makes Not-So-Smart Lights Smart
Saturday, 13 January 2018 03:00

Long taken for granted – lights are a basic necessity of modern life. From the time of the first light bulb, we’ve been able to navigate the dark without the use of fire. With the advent of the Internet of Things, it has become somewhat of a requirement to bring a little intelligence to lights before labeling yourself as a hardware hacker. There are many ways to do this; one of the most common being making use of an ESP32. [Luca Dentella] is somewhat of an ESP32 expert, and has written a fantastic tutorial on how to use the chip. …read more

LEDE and OpenWRT kiss and make up
Monday, 08 January 2018 11:00

The OpenWRT and LEDE open router projects have merged and promised a major release in the coming months.

OpenWRT was, for years, the only serious open source codebase for router firmware, allowing users to overwrite vendor firmware, either for security reasons or to conduct their own low-level development.

LEDE was created in March 2016 when a group of developers, unhappy with where OpenWRT was going, created the alternative Linux Embedded Development Environment. At the time, the LEDE group worried that OpenWRT lacked a process to bring new core developers into the project at a time developer numbers were dwindling.


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