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Sol-Ark manufacturer reportedly disables all Deye inverters in the US
Seemingly, at the drop of a hat the morning of Friday, Nov 15th, Deye-branded inverters across the US were intentionally bricked.
Topics /
Networking & Internet
The most popular blog posts about networking & internet on Hacker News. 113 posts.
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MQTT turns 25
October 2024 marks the 25th anniversary of MQTT, a crucial protocol for connecting devices in diverse environments. With origins in lightweight networks, MQTT has flourished, empowering countless a…
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Why can't my mom email me?
Proton email keeps sending my non-Proton email accounts encrypted emails. I figure out why and show you how to turn it off.
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Facebook building subsea cable that will encompass the world
Facebook building subsea cable that will span the globe. Biggest project ever.
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Sysadmin friendly high speed Ethernet switching
I’ve been on the lookout for a ethernet switch that I don’t hate, the problem with a lot of higher speed (10G and above) ethernet switches is that they are quite expensive new and if you buy the used then they rarely have many years left ( or none at all ) of software patches.
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Making a Linux-managed network switch
Sometimes the custom 5-port gigabit switch _is_ the solution.
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HTTP/2 and HTTP/3 explained
Understand better how HTTP works in each version.
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A Day in the Life: The Global BGP Table
Update: This article was discussed on Hackernews Much has been written and a lot of analysis performed on the global BGP table over the years, a significant portion by the inimitable Geoff Huston.
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How to copy a file between devices? (2022)
Introduction Copying a file across devices is painful. You’re on your phone, but you want to access a file that’s on your laptop. How do you do it? What about the other way around? What about copying any file between any of your devices? I asked my dad how he copies a file from his phone to his computer, and he…
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How Does Bluesky Work?
One of the reasons I am enthusiastic about BlueSky is because of the way that it works. So in this post, I am going to lay out some of the design and the…
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Reclaiming IPv4 Class E's 240.0.0.0/4
Ever since the supply of fresh IPv4 address blocks was depleted there has been a number of interesting market changes, mostly around the costs to either acquire or lease IPv4 address blocks. Since the demand for IPv4 addressing has not changed that much, prices have gone up, and more providers like AWS, Hetzner, OVH…
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epoll: The API that powers the modern internet (2022)
Linux's epoll API solved the C10K problem, enabling fast and afforable Internet services.
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"BGP at home": getting a DIA circuit installed at home
The infrastructure underlying AS54316 -- the network supporting the services offered by the AP Foundation -- has historically been based out of a datacenter in NYC (NetActuate in Telehouse Chelsea). To add some resiliency, I thought it'd be interesting -- and a potentially fun challenge -- to leverage some spare real…
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Consuming the Bluesky firehose for less than $2.50/mo
*without doing much with it (and maybe not for long at its current growth rate)
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Some Fritz!Box modems might have been hijacked
TL;DR: Fritz!Box devices using custom DNS resolution services like Pihole or Adguard might have been compromised by DNS hijacking and using those Fritz!Box devices might be unsafe, especially for Windows users. Update: I updated the article to downscale the severity of the situation. After posting the article on HN, I…
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The Influence of Bell Labs
We’ve talked previously about Bell Labs’ long, storied history as an innovation engine and a generator of new technology.
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The IPv6 Transition
I wrote an article in May 2022, asking “Are we there yet?” about the transition to IPv6. At the time I concluded the article on an optimistic note, observing that we may not be ending the transition just yet, but we are closing in. I thought at the time that we won’t reach the end of this transition to IPv6 with a…
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Not all TLDs are Created Equal
In light of the recent cancellation of the queer.af domain registration by the Taliban , the fragile and difficult nature of country-code top-level domains (ccTLDs) has once again been comprehensively demonstrated. Since many people may not be aware of the risks, I thought I’d give a solid explainer of the whole…
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Was the Internet created to survive a nuclear strike? (2022)
Was the Internet Created for Nuclear War?
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No NAT November: My month without IPv4
Near the beginning of November, nixCraft posted this challenge on Mastodon, daring people to take the No NAT November challenge and disable IPv4 for the month, relying only on IPv6:
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Inside the failed attempt to backdoor SSH globally that got caught by chance
Why the threat actor rushed deployment.
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No need to email me about Cisco AnyConnect
My name and email address can be found in the VPN client application made by Cisco called AnyConnect. They are present there as part of the curl license, because this product - like thousands of others - uses libcurl. My name appears in many products. Apparently, people often have problems finding an appropriate…
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A transport protocol's view of Starlink
Digital communications systems always represent a collection of design trade-offs. Maximising one characteristic of a system may impair others, and various communications services may chose to optimise different performance parameters based on the intersection these design decisions with the physical characteristics…
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Attack of the Week: Airdrop Tracing
It’s been a while since I wrote an “attack of the week” post, and the fault for this is entirely mine. I’ve been much too busy writing boring posts about Schnorr signatures!…
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Tunnelmole, an ngrok alternative (open source)
Tunnelmole is a free and open-source alternative to ngrok. It works out of the box with no port forwarding or networking config needed.
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First look at the upcoming Starlink Mini
I've owned Starlink Mini for about 6 months, using it for camping, backup internet, and in motion inside my car. Here is my honest review.
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Why isn't Bluesky a peer-to-peer network?
Today in "our novel form of NIH," why did Bluesky choose not to use a peer-to-peer network when designing the AT Protocol?