On Fri, September 14, 2012 5:32 pm, Scott Silva wrote: > Could the server A have a firewall that had allow ranges for your > original ip range? Or denyhosts... something like that No, there are no such settings. Answering to other questions: > have you checked with your ADSL provider, to > see if they're blocking ssh traffic? no, because as I said in my original message, I **can** do ssh traffic. I am doing it right now, on the other Centos server. It is only one of them that became unreachable. > Check the /var/log/secure log > Check your tcp_wrapper configuration of course I can't do it right now, exactly because... I can't connect to the server. But I will pass along these and all other similar suggestions to the VPS provider help desk, since they will surely save time, so thanks for these and any other tips that may come! Marco _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos