我们研究了河南的省级防火墙，并将其与国家级的防火长城（GFW）进行了比较。河南防火墙对TLS SNI和HTTP Header进行审查，检查并阻止出省流量。虽然河南防火墙的技术复杂性和健壮性较低，但其激进的封锁策略让其一度封锁了十倍于GFW的域名数量。我们介绍了一些仅需客户端支持就能绕过河南网络审查的策略。我们的工作记录了一个令人担忧的迹象：中国正在出现区域性的网络审查。

An example-driven, step-by-step guide to success with Rust macros.</b>

In Write Powerful Rust Macros</i> you’ll learn how to use these amazing metaprogramming tools to push Rust to its full potential. This hands-on guide takes you from the absolute basics…

In this post, we’re highlighting 4via6 subnet routing — a powerful way to extend Tailscale’s mesh across entire edge or customer networks. It’s ideal for scenarios where traditional VPNs struggle, like fleets of robots, sensors, or isolated cloud environments.

Host Cory Doctorow coined the word "enshittification" to describe the state of the modern internet: a broken down, decaying place, once full of promise, now overrun with intrusive ads, hateful trolls, aggressive algorithms, zero privacy, and AI-generated…

Discover why Nextcloud file uploads for Android app are not working properly, and how Google’s app store rules are hurting Nextcloud users.

Distributed, offline-first bug tracker embedded in git - git-bug/git-bug

I've written a number of stateful services starting with an event loop at the core:

From servers in a data center to desktop computers, many devices communicating on a network wi [...]

At the Linux Application Summit (LAS) in April, Sebastian Wick said that, by many metrics, Flat [...]

Empowering everyone to build reliable and efficient software.

Explore how Materialize engineers diagnosed and resolved a rare concurrency bug in Rust's unbounded channels that led to undefined behavior through double-free memory errors.

Blog about programming stuff.

Overview Local Demo Repo HOWTO Customization App Metadata Real World SetupF-Droid.org is the default package repository (repo) in the...

Text serialization is a fundamental concept in modern computing, enabling the conversion of complex data structures into a format that can be easily stored, transmitted, and reconstructed. This...

😈 BEWARE: Claude 4 + GitHub MCP will leak your private GitHub repositories, no questions asked.

We discovered a new attack on agents using GitHub’s official MCP server, which can be exploited by attackers to access your private repositories.

creds to @marco_milanta…

We showcase a critical vulnerability with the official GitHub MCP server, allowing attackers to access private repository data. The vulnerability is among the first discovered by Invariant's security analyzer for detecting toxic agent flows.