Most cited

Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 1,584 posts.

Security & Privacy
Any year
1390

Introducing AWS WAF

AWS WAF is a managed cloud web application firewall (WAF) service that protects websites, APIs, and applications from bots, exploits, and layer 7 events. Deploy scalable, enterprise-grade WAF solutions with global protection.

1392

How to Crash Systemd in One Command

After running this command, PID 1 is hung in the pause system call. You can no longer start and stop daemons. inetd-style services no longer accept connections. You cannot cleanly reboot the system. The system feels generally unstable (e.g. ssh and su hang for 30 seconds since systemd is now integrated with the login…

1398

ldd arbitrary code execution (2009)

The `ldd` utility is more vulnerable than you think. It's frequently used by programmers and system administrators to determine the dynamic library dependencies of executables. Sounds pretty innocent, right? Wrong! In this article I am going to show you how to create an executable that runs arbitrary code if it's...