Migrating my Blog to Docker

When I started this blog at the end of 2018, I didn’t want to spend much time on the blog’s setup, but rather get started writing as soon as possible. For this reason, I chose a preconfigured VM image with the blogging software Ghost that was offered by my cloud provider. In the meantime, writing has become a hobby to me, even though I keep most of what I write private.

DNS Amplification Attacks

I received an interesting E-Mail from my ISP recently. It said (translated from german): "Security warning: we detected an open DNS resolver on your system. Open DNS resolvers can be misused for DDoS reflection attacks against third parties. I was indeed running a publicly exposed DNS server that acted as nameserver for a domain. After I secured my DNS server, I decided to explore the mentioned DDoS reflection attacks.

Hacktoberfest 2019

Every year, Digital Ocean organizes Hacktoberfest, an event meant to promote Open Source involvement. Everyone who registers and creates 4 Pull Requests in October on GitHub receives a T-Shirt.