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Jonathan Kelley Articles


Getting inside the embedded Postgres on Gitlab CE

Gitlab CE has some long-standing bugs that require backend changes. It might be part of their business model. One instance comes to mind when you add an LDAP user and have an existing non-ldap user with the same name or email address, it will break gitlab for them. This guide …

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 …


Will be starting D-RATS development

I've been talking to Ray with Icom America and he has sent me some bluetooth hardware to start development on D-Rats, an amateur radio TCP/IP gateway. Special thanks to Ray! The first thing I'd like to do is get the interface working with QT instead of GTK as it's …

FreeIPA iptables setup

I personally find management easier using Iptables for FreeIPA because it allows you to easily add -s flags for source IP ranges when needed. FirewallD has an extended awkward syntax that can do it, but why? First disable Firewalld sudo systemctl disable firewalld sudo systtemctl stop firewalld Install Iptables Service …