De chez moi : $ ssh lipn ssh: connect to host ssh.lipn.univ-paris13.fr port 22: Operation timed out $ ping ssh.lipn.univ-paris13.fr PING ssh.lipn.univ-paris13.fr (194.254.163.18): 56 data bytes Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 Request timeout for icmp_seq 2 ^C --- ssh.lipn.univ-paris13.fr ping statistics --- 4 packets transmitted, 0 packets received, 100.0% packet loss $ ping mail.lipn.univ-paris13.fr PING mail.lipn.univ-paris13.fr (194.254.163.35): 56 data bytes 64 bytes from 194.254.163.35: icmp_seq=0 ttl=244 time=31.407 ms ... 64 bytes from 194.254.163.35: icmp_seq=5 ttl=244 time=31.963 ms ^C --- mail.lipn.univ-paris13.fr ping statistics --- 6 packets transmitted, 6 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 31.179/32.032/34.013/0.928 ms Lié au pb sur Renater ? François