My coworker did a bang-up job on this blog post. It explains a lot about how DNS works, how the Dyn DDOS attack worked (we missed it because we don't use Dyn), and the changes we made so that we'll avoid similar attacks when they come.
Recently in Stack Exchange, Inc. Category
Stack Exchange, Inc. is looking to hire a sysadmin/network admin/SRE/DevOps engineer that will focus on network-related projects. The position will work out of the NYC office, so you must be in NYC or be willing to relocate.
If 3 or more of these project sound like fun to you, contact us!
- Automate Cisco LAN port configuration via Puppet
- Make our site-to-site VPN more reliable
- Tune NIC parameters for maximum performance / lowest latency
- Lead the network design of our global datacenter network deployment strategy
- Wrangle our BGP configurations for ease of updating and security
- Establish operational procedures for when ISPs report they can't reach us
Sounds interesting? The full job advertisement and resume submission instructions are here: http://careers.stackoverflow.com/jobs/47588/
This position will work on the same team that I'm on, the Stack Exchange SRE team.