127.0.0.1 facebook.com 127.0.0.1 www.facebook.com 127.0.0.1 static.ak.fbcdn.net ... | Hacker News

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netaddict on June 27, 2017 | parent | context | favorite | on: Facebook Hits 2 Billion Users

  127.0.0.1 facebook.com
  127.0.0.1 www.facebook.com
  127.0.0.1 static.ak.fbcdn.net
  127.0.0.1 www.static.ak.fbcdn.net
  127.0.0.1 login.facebook.com
  127.0.0.1 www.login.facebook.com
  127.0.0.1 fbcdn.net
  127.0.0.1 www.fbcdn.net
  127.0.0.1 fbcdn.com
  127.0.0.1 www.fbcdn.com
  127.0.0.1 static.ak.connect.facebook.com
  127.0.0.1 www.static.ak.connect.facebook.com

TazeTSchnitzel on June 27, 2017 [–]

0.0.0.0 is a better target than localhost, because it means the connection fails immediately rather than possibly timing out, and it won't accidentally succeed if you're running a local server.

The IPv6 variant (two colons, ::) is shorter still.

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