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Cr@ns is an association located in Cachan (south of Paris) on the campus of École Normale Supérieure de Cachan. It's connected to Renater.


  • Technical  : nounous AT crans DOT org, nicolas DOT dandrimont AT crans DOT org
  • Administrative : ca AT crans DOT org


  • @IP and @ILO are public adresses
  • Firewalled by (main association router)
    • all connections are allowed from server to internet (with transparent http proxy)
    • port 22 is opened from the internet to servers
    • any port could be opened on demand
  • Connected to ethernet switch (HP2626)