Hello, On Tue, 20 Feb 2024 09:40:13 +0800 Kin Seng <ckins...@gmail.com> wrote:
> Hi J Carter, > > This is the only results from the whole 5 minutes session (intentionally > without any transaction to create inactivity). Is there any symptoms which > can prove that other parties are the one who Initiate the closing? > Packet capture is the easiest, however it looks like you have missing data in PCAP for some reason (like tcpdump filters). I suppose you could also perform packet capture on the client app host instead of on the nginx host to corroborate the data - that would show who sent FIN first. Also, as Roman says in adjacent thread, debug level logs will also show what happened. > On Tue, Feb 20, 2024, 9:33 AM J Carter <jordanc.car...@outlook.com> wrote: > > > Hello, > > > > On Mon, 19 Feb 2024 16:24:48 +0800 > > Kin Seng <ckins...@gmail.com> wrote: > > > > [...] > > > Please refer to the attachments for reference. > > > > > > On Mon, Feb 19, 2024 at 4:24 PM Kin Seng <ckins...@gmail.com> wrote: > > > > After capturing the tcp packet and check via wireshark, I found out > > that > > > > the nginx is sending out the RST to the public server and then send > > FIN/ACK > > > > (refer attached pcap picture) to client application. > > > > > > > > I have tried to enable keepalive related parameters as per the nginx > > > > config above and also check on the OS's TCP tunable and i could not > > find > > > > any related settings which make NGINX to kill the TCP connection. > > > > > > > > Anyone encountering the same issues? > > > > > > > > The screenshot shows only 1 segment with FIN flag set too which is > > odd - there should be one from each party in close sequence. Also the > > client only returns an ACK, rather than FIN+ACK, which it should if > > nginx was the initiator of closing the connection... > > _______________________________________________ > > nginx mailing list > > nginx@nginx.org > > https://mailman.nginx.org/mailman/listinfo/nginx > > _______________________________________________ nginx mailing list nginx@nginx.org https://mailman.nginx.org/mailman/listinfo/nginx
