Network Link Conditioner
App developers often forget to test how their apps perform under less-than-ideal networking environments. Learn how you can use the Network Link conditioner to simulate a spotty Internet connection on your device.
The latest blog posts to take off on Hacker News. 3,021 posts.
App developers often forget to test how their apps perform under less-than-ideal networking environments. Learn how you can use the Network Link conditioner to simulate a spotty Internet connection on your device.
Recently, Verizon was caught tampering with its customer's web requests to inject a tracking super-cookie. Another network-tampering threat to user safety has come to light from other providers: email encryption downgrade attacks. In recent months, researchers have reported ISPs in the US and...
It's easy to write a TCP stack that works with most traffic. It's harder to write one that interoperates properly with every strange or buggy device that's out there.
Let's Talk About Beacons If you’ve been following the tech scene lately, you may have heard a thing or two about “Beacons”. What are Beacons? Beacons are hardware devices emitting a unique signature...
[Update, November 18, 2014: check episode 2 with the Latent answer to this post] There’s a thin grey line Between the black and white It’s evidently hard to find at night Depeche Mode, …
Over the past couple of days, there’s been an outpouring of concern about Verizon’s advertising practices. Verizon Wireless is injecting a unique identifier into web requests, as data transits the network. On my phone, for example, here’s the extra HTTP header. 1
Estimating the size of the world’s communications.
wingolog: article: ffs ssl
Unlike TCP, UDP doesn't provide any delivery or ordering guarantees. Put into practice, just how bad, or good, is UDP?
"I could take down the internet with that, and so could you." Dan Geer, Chief Information Security Officer of CIA’s venture capital arm, didn't mince words when he mentioned the security flaws in home routers during his keynote address at last month's Black Hat conference in Las Vegas. But he also...
INTRO Last Friday evening, I received a tip via telephone, “You should go to the Houtem tower tomorrow morning. Jump may work on the network.” Unfortunately I couldn’t make it back to Houtem. But i…
On Wednesday of last week, details of the Shellshock bash bug emerged. This bug started a scramble to patch computers, servers, routers, firewalls, and other computing appliances using vulnerable versions of bash.
This is insane: more than 28,000 visitors came to read Part I of “HFT in my backyard”. Some of them are inevitably bots, but my logs reveal the majority to be human readers from bank desks, technol…
NOTE: malware is now using this as their User-agent. I haven't run a scan now for over two days. I'm running a scan right now of the I...
INTRO As soon as the summer sun returns to Belgium, there is a natural human migration from Francophone Wallonia to the west coast sea in the Flemish part of the country. Here, à la mer du Nord, pe…
We announced Keyless SSL yesterday to an overwhelmingly positive response. We read through the comments on this blog, Reddit, Hacker News, and people seem interested in knowing more and getting deeper into the technical details.
[Note to the impatient: to try out my beamforming simulation, which produced the above image, visit my beamlab test page - ideally in a brow...
You know the net neutrality conversation is breaking new ground when even the porn sites are weighing in. And that's just what we're seeing: Major adult platforms Pornhub and Redtube are joining an online protest on September 10, calling for stronger protections for net neutrality. They’re teaming...
A few hours ago, I sent the following “dear colleagues” email (lightly edited to remove some private details) to all my users at work: This has been a very trying week. For those of you…
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wingolog: article: high-performance packet filtering with pflua