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Hi I'm trying to connect to AWS EC2 instance using putty by giving authenticate PPK file. getting an error unable to connect to server name host not found, i'm trying to connect from work place, is it may be because they might have blocked port to connect?
Start with debugging DNS resolution.
nslookup YOU_HOST
ordig YOU_HOST
will show if the host can be actually found. – Sergey Kovalev – 2018-05-03T08:36:00.063Thank you, its due to port has been disabled from work place i have asked to enable and now its working fine – Vinay Gowda – 2018-05-04T05:27:14.613