Cyber Defence Lab

Git subtrees: subrepos the simple way

Git

This post explains how to leverage git-subtree to have existing repositories as a subdirectory (subtree) of your repository.

Offensive eBPF - SSH Ejector

Linux eBPF Offensive Security

SSHing old devices : config snippet

Sysadmin

SSH was created in 1995 by Tatu Ylönen, a researcher at the Helsinki University of Technology in Finland [1]. Over more than 30 years of existence, it has evolved to offer more security. But once in a while you may have to SSH into an older device that does not support modern SSH algorithms and mechanisms. This is typically the case to configure network devices like switches.