[LittleShaman]

On Linux you can prevent being ptrace'd or having your core dumped by setting PR_SET_DUMPABLE in prctl. I've seen this used in places you'd expect like ssh-agent and GNOME's Keyring password manager.

Ctrl-f for 'PR_SET_DUMPABLE' in the manpages:

- https://man7.org/linux/man-pages/man2/prctl.2.html

- https://man7.org/linux/man-pages/man2/ptrace.2.html