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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,021 posts.

Networking & Internet
Any year
1695

The Top of the DNS Hierarchy

In the past (in fact two years ago, proof I have been doing this for a while now!) I wrote about the "inconvenient truth" that structural aspects of the Internet make truly decentralized systems infeasible, due to the lack of a means to perform broadcast discovery. As a result, most distributed systems rely on a set…

1710

PureVPN IPv6 Leak

Two findings in PureVPN on Ubuntu 24.04. After a reconnect the system takes a default IPv6 route outside the tunnel, and the ip6tables OUTPUT policy is still ACCEPT, so traffic leaves in the clear while the client reports connected.