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Latest posts

Orange FTTH and IPv6 - part two

eGPU stutter from hell

Branch predictor: How many "if"s are too many? Including x86 and M1 benchmarks!

Orange FTTH on a custom router

Why is there a "V" in SIGSEGV Segmentation Fault?

Moral compass: In praise of openness

mmuniq: When Bloom filters don't bloom

Addressing

Creating sockets

TCP Puzzles 1-2

When TCP sockets refuse to die

A gentle introduction to Linux Kernel fuzzing

Cloudflare architecture and how BPF eats the world

RFC8482 - Saying goodbye to DNS ANY

SOCKMAP - TCP splicing of the future

io_submit - The epoll alternative

Every 7.8us your memory has a hiccup

The rise of multivector attacks

Why we are bumping the IPv6 MTU

How to drop 10 million packets

Today we mitigated the resolver

mmproxy - creative linux routing hack

Using TPROXY for Spectrum product

Sockets, Hop Distance and writing eBPF assembly

The real cause of large DDoS - IP Spoofing

Memcrashed - Amplification attacks from 11211/UDP

IP Spoofing at Packet Hacking Village

SYN packet handling

5 talks in 5 weeks

Perfect locality and three SystemTap scripts

The sad state of Linux socket blancing

Meet Gatebot - a bot that allows us to sleep

IP fragmentation is fundamentally broken

SSDP attack crossing 100Gbps

Reflections on reflection (attacks)

Sandboxing landscape

Epoll is fundamentally broken 2/2

Socket API thoughts

Epoll is fundamentally broken 1/2

Select is fundamentally broken

TLD glue sticks around too long

A brief history of select(2)

Say Cheese: DDoS from IoT devices

Strange Loop - IP Spoofing

This is strictly a violation of the TCP specification

Why we use the Linux kernel's TCP stack

The curious case of slow downloads

The revenge of the listening sockets

Web archeology - itblog

The winter of weekend attacks