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The most popular blog posts about networking & internet on Hacker News. 70 posts.
When we’d spin up new machines, some would fail our health checks. There was no network traffic between these boxes and our database machines.. The ARP tables on the database boxes had cached, outdated MAC addresses from no-longer-living boxes.
DISCLAIMER: I do not condone monitoring network traffic with intent to spy or otherwise cause harm to people. My interest in the techniques described below is academic. I write in the hope that I can improve Internet security, or at least increase public awareness of vulnerabilities. If you are attempting to replicate…
自2011年以来用技术对抗审查。我们使用AI监控审查并在全球范围内扩大言论自由。
I'm pleased to announce that CloudFlare now supports WebSockets. The ability to protect and accelerate WebSockets has been one of our most requested features.
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.
Before I begin, I want to say that WebSockets are great. I’ve even implemented RFC 6455 myself in Zurl and Pushpin, which are used by Fanout Cloud.However, a...
(Updated May 6 with additional notes; see below.) In January, the DC Circuit Court of Appeals struck down a Federal Communications Commission (FCC) order that prevented Internet Service Providers (ISPs) ...
Something is amiss with the Interwebs! BGP is a flapping. , Author: Adrien de Beaupre
96,000 calls, 555,000 emails, 245,000 signatures and more. Find out what happened this Tuesday.
As part of our Open Wireless Movement, we set out to create router software that would make it easier for people to safely and smartly share part of their wireless network. Protecting hosts, so their security is not compromised because they offer open networks, is one of the goals of the router...
Today is June 6. For the last two years, the date has been celebrated as World IPv6 Day. CloudFlare has offered full IPv6 support as well as our IPv6-to-IPv4 gateway since 2012.
"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...
Amazon Route 53 is a highly available and scalable Domain Name Service (DNS), including a powerful Health Checking Service. Today we are extending Route 53 with support for domain name registration and management and Geo DNS. We are also reducing the price for Route 53 queries! Let’s take a closer look at each one of…
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IPv4 address exhaustion just got more real! In an announcement on Tuesday, the Internet Corporation for Assigned Names and Numbers (ICANN) indicated that they are starting the process of allocating the final available blocks of IPv4 addresses out to the Regional Internet Registries (RIRs) from the IANA recovered…
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...
For the last month, Venezuela has been caught up in widespread protests against its government. The Maduro administration has responded by cracking down on what it claims as being foreign interference online. As that social unrest has escalated, the state's censorship has widened: from the removal...
Explore thought leadership, industry insights, and other resources related to cybercrime detection, disruption, and takedowns.
Eloi Vanderbéken recently found a backdoor on some common routers, which is described on his GitHub here. Basically, a process that listens on the 32764 TCP port runs, sometimes accessible from the WAN interface. We scanned the v4 Internet to look for the routers that have this backdoor wild open, and gathered some…
Last December, the FDN Federation attended the 30th Chaos Communication Congress in Hamburg.
Wow! The pace of IPv6 deployment is rapidly accelerating! This morning Google’s IPv6 measurements crossed the 3% milestone just under five months from when the 2% milestone was crossed. Prior to that it had taken 11 months to go from 1% to 2%. The growth path is certainly heading in the right direction: To […]
Posted by Elie Bursztein, Anti-Abuse Research Lead Earlier this year, we deployed a new TLS cipher suite in Chrome that operates three tim...
