Am 07.09.2013 21:14, schrieb Patrick Dupre: >>> Status: Resolving address of homere >>> Status: Connecting to 193.49.194.196:21... >>> Status: Connection attempt failed with "EHOSTUNREACH - No route to host". >>> Error: Could not connect to server >>> >>> ssh works fine. However, I have a possible explaination. >>> This machine is behind a firewall and to be able to make ssh, I >>> add to ask to have the ssh port open. Probably, the ftp port is >>> closed. Should I ask to have it open to use ssl/tls? >>> Is it port 21? or 990? how can I check the port 22 is open >>> while the other ones are closed on the firewall (I do not have >>> admin access to this machine). >>> > 21:10:09.068427 IP 193.51.250.170 > sophocle: ICMP host Homere unreachable - admin prohibited filter, length 36 is clearly a firewall between acting like uptables "-j REJECT --reject-with icmp-admin-prohibited" in doubt the ICMP answers mean nothing, i can reject with whatever status http://en.wikipedia.org/wiki/Internet_Control_Message_Protocol
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