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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,021 posts.
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SSH vs. OpenVPN for Tunneling
Update 28.01.16 I found some sites referring to this post. Below are the common complaints I saw, and my replies:
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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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The sound of the dialup, pictured
If you ever connected to the Internet before the 2000s, you probably remember how it sounded. But what do these sounds mean?
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Unlocking any car from X brand in most of the world
I've always had a soft spot for this particular car brand. Our family has owned a few of them over the years, and they've served us incredibly well. In 2023, I bought a new four wheel drive/SUV from them, and it was the first time I had
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Getting Started with WireGuard
Software developer
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How to modify Starlink Mini to run without the built-in WiFi router
The Starlink Mini terminal is designed as a compact, all-in-one solution with an integrated Wi-Fi router. While this design is ideal for typical consumer use, certain applications—such as custom networking setups, embedded installations, or power-constrained environments—may benefit from removing the internal router…
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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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What developers should know about TCP
Why do you need to place your servers geographically close to your users? One of the reasons is to achieve lower latencies. That makes a lot of sense when you are sending short bursts of data that should be delivered as quickly as possible. But what about large files, such as videos? Surely there is a latency penalty…
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Self-Hosting on the Dark Web
This site is now reachable over Tor as a hidden service, at a .onion address that resolves only inside the Tor network. Tor relays and encrypts your traffic as …
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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.
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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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Show HN: I reverse engineered my cable modem and turned it into an SDR
A few weeks ago I got curious about an old cable modem sitting in my closet, a Motorola MB7220. Initially I was interested in what kind of hardware it had and if it was running Linux. Some quick searching brought me to a thread on a web forum where people were discussing the built in spectrum analyzer feature used for…
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SATCOM terminals under attack in Europe: a plausible analysis
------ Update 03/12/2022 Reuters has published new information on this incident, which initially matches the proposed scenario. You can find...
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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.
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Mozilla is giving up on their IRC server
Let’s lead with the punchline: the question of what comes after IRC, for Mozilla, is now on my desk.
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Hate Your ISP? Maybe You Need Community Fiber
Brian Carver co-authored this post. Between the net neutrality debate and the Comcast/TWC merger, high-speed Internet access is getting more attention than ever. A lot of that attention is negative, and rightly so: Internet access providers, especially certain very large ones, have done a pretty...
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There are real reasons for Linux to replace ifconfig, netstat, etc
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Rapid DHCP: Or, how do Macs get on the network so fast?
One of life's minor annoyances is having to wait on my devices to connect to the network after I wake them from sleep. All too often, I'll open the lid on my …
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HTTP/2 Push is dead
One of the hot features that came with HTTP/2 was PUSH frames. The main idea is that if the server can predict what requests a client might want to make, the server can preemptively send request/response pairs to the client and warm its cache.
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Excessive load on NTP servers
Since last Tuesday some countries have seen an excessive number of queries to the NTP Pool. After much detective work on nanog (conclusion) and the #NTP IRC channel it was determined to be a buggy Snapchat app update.
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Community-Owned Fiber Networks: Value Leaders in America
Our examination of advertised prices shows that community-owned fiber-to-the-home (FTTH) networks in the United States generally charge less for entry-level broadband service than do competing private providers, and don’t use initial low “teaser” rates that sharply rise months later.
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Why you should not trust emails sent from Google
As you might know, Google is running a vulnerability reward program , where they award researchers monetary awards or a place in their Hall of Fame when they responsibly disclose vulnerabilities. With this in mind, I was scooping around on several Google services, including Google Scholar. As I recently started a PhD…
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Stupidly Simple DDoS Protocol (SSDP) Generates 100 Gbps DDoS
Last month we shared statistics on some popular reflection attacks. Back then the average SSDP attack size was ~12 Gbps.
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Playing battleships over BGP
BGP is the glue of the internet. For a protocol that was produced on two napkins in 1989 it is both amazing and horrifying that it runs almost all of the ISP to ISP interactions and is now a very fundemental part of the internet.