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XMPP, a comeback story
Everyone loves a comeback story. Can a 20 year old overlooked technology make a comeback as a completely decentralized, free, and scalable technology for the growing masses of people who value freedom and privacy?
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,406 posts.
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Zero Trust SIM
We’re announcing the first Zero Trust SIM: the next major part of Cloudflare One, combining both software and hardware layers to rethink mobile device security for organizations
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WireGuard multihop available in the Mullvad app
To further increase your privacy and make your traffic harder to analyze, you can now route all your traffic through two servers instead of just one, directly in our desktop app, version 2022.1 and newer.
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SSH Examples, Tips and Tunnels
Bounce through the network with SSH tunnels and proxies. Take your remote system administration skills to the next level with our practical SSH examples.
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Proof-of-Work Defense for Onion Services
Today, we are officially introducing a proof-of-work (PoW) defense for onion services designed to prioritize verified network traffic as a deterrent against denial of service (DoS) attacks with the release of Tor 0.4.8.
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I2C in a Nutshell
A community and blog for embedded software makers
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UniFi 5G
Discover the U5G Max and UniFi’s next generation 5G lineup featuring effortless setup, ultra fast speeds, rugged outdoor options, and advanced UniFi integration for unmatched performance.
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Mastodon 3.5
A brand new explore page, post editing, and new moderation features are just some of the additions in this new release of Mastodon!
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Wi-Fi packet capturing on M1 Macs is broken
For years, Wi-Fi packet capturing in the Mac has always worked reliably out of the box. Unfortunately, packet capturing is now broken in the new M1 Mac.
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How to build large-scale end-to-end encrypted group video calls
Signal released end-to-end encrypted group calls a year ago, and since then we’ve scaled from support for 5 participants all the way to 40. There is no off the shelf software that would allow us to support calls of that size while ensuring that all communication is end-to-end encrypted, so we bui...
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AWS Application Load Balancer
We launched Elastic Load Balancing (ELB) for AWS in the spring of 2009 (see New Features for Amazon EC2: Elastic Load Balancing, Auto Scaling, and Amazon CloudWatch to see just how far AWS has come since then). Elastic Load Balancing has become a key architectural component for many AWS-powered applications. In…
253
SSH and User-Mode IP WireGuard
Documentation and guides from the team at Fly.io.
254
Czech republic sets IPv4 end date
On 17 January 2024, the Government of the Czech Republic approved the material "Restarting the implementation of DNSSEC and IPv6 technologies in the state administration". On the basis of this decision, the Czech state administration will stop providing its services over IPv4 on 6 June 2032. Thus, the Czech Republic…
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Cloudflare One
Today we’re announcing Cloudflare One. It provides secure, fast, reliable, cost-effective network services, integrated with leading identity management and endpoint security providers.
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The Relative Cost of Bandwidth Around the World
Over the last few months, there’s been increased attention on networks and how they interconnect. CloudFlare runs a large network that interconnects with many others around the world.
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The novel HTTP/2 'Rapid Reset' DDoS attack
Learn how the new DDoS attack technique Rapid Reset works, and how to mitigate it
258
We have a 99% email reputation, but Gmail disagrees
Oooooh boy. Let’s get this out of the way first. Email sucks. Now to the how and the why. We’re builders. We love making tools to help designers and developers live a little bit easier. We’re pretty good at it. Marketing, though? We do our best, but the truth is, we don’t like to bother […]
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USB 3.0* Radio Frequency Interference on 2.4 GHz Devices (2012)
Browse Intel product information for Intel® Core™ processors, Intel® Xeon® processors, Intel® Arc™ graphics and more.
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Zero-days in Cisco Discovery Protocol
Identify which devices of your company are impacted by five vulnerabilities that Armis found out in the Cisco Discovery Protocol (CPD).
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Tailscale Peer Relays
Tailscale Peer Relays provide predictable, performant access, entirely within your own tailnet.
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Twitter, Facebook, WhatsApp and Instagram Restricted in Southern Turkey
Network data from the NetBlocks internet observatory confirm that Turkey has blocked access to social media and messaging platforms in the southern cities of Gaziantep, Şanlıurfa and Hatay, as the ...
263
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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BBR, the new kid on the TCP block
A look at Google's delay-controlled TCP flow control algorithm, called BBR.
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SSH Bastion Host Best Practices
Learn 14 best practices to build and deploy a security-hardened SSH bastion host based on OpenSSH server.
268
Nginx now supports Websockets
Deliver modern applications with NGINX. Explore high-performance load balancing, API gateways, and web server solutions trusted by top global enterprises.
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DigitalOcean VPC
Helping millions of developers easily build, test, manage, and scale applications of any size - faster than ever before.
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Reasons to turn down the transmit power of your Wi-Fi (2017)
By default almost all WiFi access points transmit at full power (100mW on 2.4GHz). This gives maximum coverage and users see a good signal ("full bars"). However, there are good reasons to turn down the transmit power to a fraction of the maximum.