1
IP Spoofing
The recording and slides are available, but for easier consumption here's a transcript.
Marek Majkowski
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Visit idea.popcount.org → RSS feedOn Hacker News Jul 2013 – Sep 2019
Software Engineering 7Systems & Performance 5Security & Privacy 1Networking & Internet 1Programming Languages 1
2
LLVM Intermediate Representation is better than assembly
The crucial part is IR. It's a common language that sits between the high-level program and the low-level backend . IR is used to express high level concepts and is specific enough that any backend can produce a fast machine code.
3
When TCP sockets refuse to die
While working on our Spectrum server , we noticed something weird: the TCP sockets which we thought should have been closed were lingering around. We realized we don't really understand when TCP sockets are supposed to time out!
4
How to sleep a million years (2013)
Let me assure you, the "fluxcapacitor" project is very interesting. Unfortunately, I find it very difficult to describe what it does. For this project I completely fail the elevator pitch .
5
Epoll is fundamentally broken
This time we'll focus on Linux's select(2) successor - the epoll(2) I/O multiplexing syscall.
6
It ain't about the callbacks, it's about the flow control
It's just a programming style, not a big deal usually, but it becomes an issue when a platform forces you to use only the callback style. I'm talking about you, JavaScript.
7
Select(2) is fundamentally broken
In a previous blog post we discussed a brief history of the select(2) syscall . The article concludes that some I/O multiplexing was necessary to do console emulation, games and non-trivial TCP/IP applications.
8
Epoll is broken – part 2/2
In this post we'll discuss the second argument on why the epoll() is broken. The problem is best described in an LWN comment by Foom :