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DNS over HTTPS - Wikipedia

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How and Why to Block Ads - Firewalls Don't Stop Dragons

Ads today are as annoying as they are ubiquitous. They slow down load times and make some websites almost unusable. However, ads can also track what you do and even serve you malware or phishing websites. Today I'll explain why and how to block them. Security & Privacy Risks of Ads Because we've grown accustomed

1 inbound link article en How-To
Self-hosting and NAT Loopback

When I started hosting my services, I quickly ran into a major problem. Everything was timing out, but it was somehow working just fine when I was not connected to my home network! So turns out, this was because my router does not support what’s called NAT Loopback (also called NAT Hairpinning). Like many things you’ll see in production, the 32-bit address space of IPv4 was meant to be for a prototype.

0 inbound links article en blog
How I Computer in 2024

An extended “uses” post that outlines the hardware I’m currently using, the software and tools that I use to get things done, and how I configure things.

2 inbound links article en Blog UsesProductivityWorkflowHardwareBlog
We've Issued Our First IP Address Certificate

Update: January 15, 2026 Six-day and IP address certificates are now generally available. See 6-day and IP Address Certificates are Generally Available for details. Since Let’s Encrypt started issuing certificates in 2015, people have repeatedly requested the ability to get certificates for IP addresses, an option that only a few certificate authorities have offered. Until now, they’ve had to look elsewhere, because we haven’t provided that feature. Today, we’ve issued our first certificate for an IP address, as we announced we would in January. As with other new certificate features on our engineering roadmap, we’ll now start gradually rolling out this option to more and more of our subscribers.

1 inbound link website en
We've Issued Our First IP Address Certificate

Update: January 15, 2026 Six-day and IP address certificates are now generally available. See 6-day and IP Address Certificates are Generally Available for details. Since Let’s Encrypt started issuing certificates in 2015, people have repeatedly requested the ability to get certificates for IP addresses, an option that only a few certificate authorities have offered. Until now, they’ve had to look elsewhere, because we haven’t provided that feature. Today, we’ve issued our first certificate for an IP address, as we announced we would in January. As with other new certificate features on our engineering roadmap, we’ll now start gradually rolling out this option to more and more of our subscribers.

7 inbound links website en
Infrastructure

A meticulously careful selection of services to use for everything from securing connections on public WiFi, over storing data to retrieving e-mails. I’ve put together a collection of services that I use for personal and business purposes while on the go.

1 inbound link article en
Technitium DNS Server

Technitium DNS Server is an open source authoritative as well as recursive DNS server that can be used for self hosting a DNS server for privacy & security.

On writing a network stack (2/2)

I am writing a minimum viable network stack from scratch for ArvernOS (a UNIX-like toy kernel). This two-part story describes some protocols of the TCP/IP stack as well as some implementation details in the context of ArvernOS.

0 inbound links article en CC BY-SA 4.0
UKNOF41

I love tech conferences, especially when I get to be a speaker. Nothing makes me happier than to be given a platform to run my mouth.\nFor the last year or so I’ve been attending various Network Operators Group (NOG) meetings, and I recently got the opportunity to speak at the UK version, which they refer to as a Network Operators Forum (UKNOF). It was a lot of fun, so I thought I’d share what I learned.\n

0 inbound links article en Post
Weeknotes 24

Repairs, a new Raspberry Pi, an unforgettable ant update, overcomplicated cooking and an unusual birthday.

0 inbound links article en
How I Computer in 2024

An extended “uses” post that outlines the hardware I’m currently using, the software and tools that I use to get things done, and how I configure things.

1 inbound link article en Blog UsesProductivityWorkflowHardwareBlog
How does DNS work?

(Maybe Obvious) Preamble What is DNS? Wife: What's DNS? Me: It's that thing you use every day when you browse the web on your phone. Me: actually even when you…

0 inbound links website en
Use Firefox in 2025

On programming and personal projects

0 inbound links article en BrowserOpen SourceProductsWebAIBloggingOpinionPoliticsDockerSelf HostingServer
Private Browsing 2.0

When we invented Private Browsing back in 2005, our aim was to provide users with an easy way to keep their browsing private from anyone who shared the same device.

6 inbound links article en Privacy
Running dnscrypt-proxy on OpenBSD

Setting up dnscrypt-proxy with OpenBSD running on a RaspberryPi

0 inbound links article en openbsd raspberrypi hack dns 100daystooffloadopenbsdraspberrypihackdns100daystooffload