Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
Does anyone know what firewall Stack Exchange uses? There was a post on the Serverfault blog here that described it as:
Just curious to see what the bigger sites out there use.
Since it is Ubuntu (Linux) the firewall is Netfilter.