Created attachment 36223 [details] httpd handle local proxy protocol failed I just test our application with proxy protocol data send to httpd 2.4.35. when set proxy protocol LOCAL command before http request for health check, httpd return 400 Bad Request, and httpd error_log print [Tue Oct 30 13:57:58.426040 2018] [remoteip:warn] [pid 1746:tid 139783401600768] [client 172.16.90.19:64514] AH03496: RemoteIPProxyProtocol data is missing, but required! Aborting request. the attached packet please check with wireshark 2.9.0 newest version under https://www.wireshark.org/download/automated/win64/ and enable proxy protocol referring https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14506.
*** This bug has been marked as a duplicate of bug 63893 ***