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Audit, track and block FreeIPA attackers

Sometimes you work at places with some pretty dirty networks, and having to migrate everything from a public VLAN to private NATs is always a challange of skills in security. During the process I find so many hosts which have been exploited and turned against my own network. This is …

Building Chroot Jails for SSH accounts

Creating a Linux Chroot Jail for SSH Access I wanted to setup a way to allow SSH access for an ssh jump bastion, but limit the local accounts heavily. I used a chroot jail with minimal applications to solve the problem. I'm using Ubuntu 16 with OpenSSH 5.1p1. Should …