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SYN,ACK not followed by ACK response (noob question)
Hi everyone.
While attempting to diagnose an SFTP connection between a remote client and our server when the client was trying to establish a connection to the server, our sysadmin had a quick look to the Wireshark output and told us immediately that the issue was caused by the client and not the server (and it seemed so obvious to him!).
And as I love to understand things even if I've got a very limited network theoretical knowledge (I'm good at plugging cables on a patch panel, but hey I can't master everything! haha), I'd like to understand how he did identify that the issue came from the remote side 193.143.x.x. Could you please help to make it more clear to me?
SYN,ACK not followed by ACK response (noob question)
Hi everyone.
While attempting to diagnose an SFTP connection between a remote client and our server when the client was trying to establish a connection to the server, our sysadmin had a quick look to the Wireshark output and told us immediately that the issue was caused by the client and not the server (and it seemed so obvious to him!).
And as I love to understand things even if I've got a very limited network theoretical knowledge (I'm good at plugging cables on a patch panel, but hey I can't master everything! haha), I'd like to understand how he did identify that the issue came from the remote side 193.143.x.x. Could you please help to make it more clear to me?
