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JJakub

Jakub

2 articles by Jakub.

Frontend — The quantum state of a TCP port

The quantum state of a TCP port

If I navigate to https://blog.cloudflare.com/, my browser will connect to a remote TCP address from the local IP address assigned to my machine, and a randomly chosen local TCP port. What happens if I then decide to head to another site?

JJakubJakub·March 20, 2023Frontend
Networking — The tale of a single register value

The tale of a single register value

It’s not every day that you get to debug what may well be a packet of death. It was certainly the first time for me. What do I mean by “a packet of death”? A software bug where the network stack crashes in reaction to a single received network packet, taking down the whole operating system with it.

JJakubJakub·November 3, 2021Networking