We’ve deployed a new tool to mybinder.org that automatically detects and stops port scanning activity, helping us maintain service reliability while being responsible citizens of the internet. Port scanning is a common part of network-based exploits, and many server hosts prohibit this activity (including Hetzner, where the 2i2c mybinder.org infrastructure lives). We developed a little tool called tcpflowkiller as part of the cryptnono project (our anti-abuse set of tools for hosted Jupyter...
