Am 22.09.2021 um 08:52 schrieb Info: > Does nobody have the time to give me some advise where the problem could > be ?
Sorry, I don't have an idea what's wrong here. Regards, Simon > > At least to understand the main problem I need some help. > In the Wireshark capture file at line number 245 is a TCP frame from the > web browser with the [SYN] flag set. Normally the web server would > answer with [SYN, ACK]. But for some reason the web server answer only > with [ACK] (line number 246 in the capture file). And from this point on > the communication with the web server is disturbed. > > Any help would really be very welcome. > > Kind regards > Roland > > > Am 15.09.21 um 15:37 schrieb Info: >> Hi >> >> I'm using lwIP (2.1.3-RC1) with the httpd web server from the apps >> directory in my embedded application. After loading a web content from >> the web server a periodic communication starts from the web browser >> that opened the website. This all works, but after a view minutes the >> periodic communication gets broken (the web server/lwIP stack itself >> does not crash). After a reload of the web site the periodic >> communication is established again for a view minutes. >> >> In the attached Wireshark capture file I can see many frames (from the >> web browser) with the set ACK RST flags. For me it not clear why the >> web browser sends this frames and if it is the reason for the broken >> periodic communication ? Any help and maybe some explanation would be >> very welcome. >> >> I also activated the debugging output and the internal lwIP asserts, >> but this did not help me to track down the problem. The web server >> does not support encryption. >> >> The lwIP uses FreeRTOS with the sys_arch files found in the contrib >> package. >> >> IPs used in the Wireshark capture : The web server uses 192.168.3.131 >> and the client (web browser) 192.168.10.103 . >> >> Thank you very much for any help >> Roland >> >> _______________________________________________ >> lwip-users mailing list >> lwip-users@nongnu.org >> https://lists.nongnu.org/mailman/listinfo/lwip-users > > > _______________________________________________ > lwip-users mailing list > lwip-users@nongnu.org > https://lists.nongnu.org/mailman/listinfo/lwip-users > _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users