Hello voici qq url /machines qui sont HS : ========================================= ssh lipn-maple ssh: connect to host lipn-maple port 22: Connection refused (HS depuis plusieurs jours) ========================================= http://ressources.lipn.univ-paris13.fr/mathscinet/ Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET/mathscinet/. Reason: Error reading from remote server Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request. (fonctionnait hier) ======================================== https://gaia.univ-paris13.fr/site/index.php/fr/ HS ======================================== Cordialement, Cyril.