NET: TCP Server Remains in ESTABLISHED State After RST Sent ?? 5.15 Kernel

[Saifi Khan]

On Sun, 1 Jun 2025, Oracle wrote:

>
> Then a new SYN is seen, followed shortly by an RST from the server.
>

Zhao, please see 4.2.2.13 in RFC1122

https://www.rfc-editor.org/rfc/rfc1122.txt

SYN+RST is the correct response.

Is your testbed a physical setup or are you working with virtual machines networked using bridge or openvswitch ?


warm regards
Saifi.