![]() ![]() Looks like the client is not a real client but a monitor and the server is not happy accepting this ![]() Or discarded the ACK completing the 3-way handshake.Įven the following DUPACK seems to be ignored and the Linux server closes its socket resulting in a RSt being returned in the client's attempt to FIN the connection. The server ignores the FIN packet and retransmits its SYN ACK, so obviously has not seen It did not even try to send or receive any data. ![]() ![]() The tcpdump shows the client closing the session immediately after the 3-way handshake. ![]()
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