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Sudan woke up without Internet
Today, October 25, following political turmoil, Sudan woke up without Internet access.
New
The latest blog posts to take off on Hacker News. 1,406 posts.
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Why not “Why not WireGuard?” (2020)
An article by Michael Tremer titled Why not WireGuard is sometimes shared in VPN discussions. Unfortunately that article contains several misconceptions and some out-of-date information that deserves to be addressed.
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SSH Tunneling Explained
SSH tunneling transports data streams within an existing SSH session. This post explains different tunneling techniques and features as supported by OpenSSH.
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What happened on the Internet during the Facebook outage
Today, we're going to show you how the Facebook and affiliate sites downtime affected us, and what we can see in our data.
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More details about the October 4 outage
Now that our platforms are up and running as usual after yesterday’s outage, I thought it would be worth sharing a little more detail on what happened and why — and most importantly, how we’re lear…
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Running BGP in large-scale data centers
What the research is: A first-of-its-kind study that details the scalable design, software implementation, and operations of Facebook’s data center routing design, based on Border Gateway Protocol …
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Update about the October 4th outage
To all the people and businesses around the world who depend on us, we are sorry for the inconvenience caused by today’s outage across our platforms. We’ve been working as hard as we can to restore…
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Understanding how Facebook disappeared from the internet
Today at 1651 UTC, we opened an internal incident entitled "Facebook DNS lookup returning SERVFAIL" because we were worried that something was wrong with our DNS resolver 1.1.1.1. But as we were about to post on our public status page we realized something else more serious was going on.
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What is BGP? – BGP routing explained
Border Gateway Protocol (BGP) is the routing protocol for the Internet. Much like the post office processing mail, BGP picks the most effecient routes for delivering Internet traffic.
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PipeWire and fixing the Linux Video Capture stack
PipeWire has already made great strides forward in terms of improving the audio handling situation on Linux, but one of the original goals was to also bring along the video side of the house. In fact in the first few releases of Fedora Workstation where we shipped PipeWire we solely enabled it as a tool...
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DNS Record Types
An overview of all the DNS record types. Each DNS record type is briefly explained, and extensive explanations are available in linked articles.
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Enabling IPv6 support for GitHub Pages
GitHub Pages now supports IPv6 for all Pages hosted on *.github.io and custom domains. Documentation for enabling IPv6 with custom domains can be found here.
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How WhatsApp enables multi-device capability
For years, people have been asking us to create a true multi-device experience that allows people to use WhatsApp on other devices without requiring a smartphone connection. Today, we’re announcing…
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VPN users unmasked by zero-day vulnerability in Virgin Media routers
We enable the world to secure the web. Burp Suite, the Web Security Academy, and world-leading research from PortSwigger — the AppSec community’s home.
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Zerotier – multiple vulnerabilities lead to private network access
Zerotier - Multiple vulnerabilities leading to identity hijacking and unauthorised private network access.
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Russia restricts opposition election voting app
Mobile app store metrics from NetBlocks confirm the removal of a popular opposition election tracking app from the Apple App Store and Google Play Store. The incident comes as Russia ...
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Using the FreeBSD Rack TCP Stack
Explore FreeBSD's RACK TCP Stack, a dynamic pluggable TCP stack introduced in version 12, offering advanced flexibility for handling TCP flows.
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Weaponizing Middleboxes for TCP Reflected Amplification
Censors pose a threat to the entire Internet.
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Disclosing E2EE vulnerability in multiple Matrix clients
Matrix, the open protocol for secure decentralised communications
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Did AS8003 just disappear?
There has been a new development in The Mystery of AS8003. As you may recall, this was the AS number registered to a defunct company in Florida that appeared earlier this year in the global routing table announcing over 175 million IPv4 addresses belonging to the US Department of Defense. Well, that just changed.
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Quad9 Files Official Objection Opposing Sony Music’s German Court Ruling
A public and free DNS service for a better security and privacy
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Dynamic visualization of your WiFi signal
Discover the latest in networking and IT innovation. Stay updated with product launches, expert insights, and tutorials from UniFi’s official blog.
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Conduit Beta – Matrix chat server
Conduit is a simple, fast and reliable chat server powered by Matrix. Conduit is an alternative to Synapse and tries to be lightweight and easy to install, but it is still in development.
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Role-based access control like it was meant to be
Learn about role-based access control, its use cases and benefits.
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Strange domain names that developers bought
Not every domain is serious business. Here's a few of the fun ones that we at Stack Overflow owned, as well as those owned by our community.
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HTTP/2-exclusive threats caused by implementation flaws and RFC imperfections
In this research paper James Kettle introduces multiple new classes of HTTP/2-exclusive attacks, demonstrated on popular websites and servers.
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The 5-Hour CDN
You can build a functional CDN on an 8-year-old laptop while you're sitting at a coffee shop. Here's what a CDN you put together in five hours might look like.