> We are observing a very strange issue with Apache 2.2.14 serving as a
> transparent proxy to an application server using mod_proxy, when the
> application server sends chunked mode response
>
> Apache is listening over SSL & reverse proxying to the backend server HTTP,
> We have SSLProxyEngine & SSLEngine set as on
> things work well when the response is not chunked mode encoded, but Apache
> seems be broken when the backend sends gziped content over chunked mode
> transport
>
> Unfortunately we don't control the backend server to enforce HTTP 1.0 on it
>
> [Fri Aug 03 12:18:27 2012] [debug] ssl_engine_io.c(1869): OpenSSL: I/O error,
> 5 bytes expected to read on BIO#ea68050 [mem: ea78430]
> [Fri Aug 03 12:18:27 2012] [info] [client 10.30.90.36] (70007)The timeout
> specified has expired: SSL input filter read failed.
> [Fri Aug 03 12:18:27 2012] [debug] ssl_engine_kernel.c(1893): OpenSSL: Write:
> SSL negotiation finished successfully
> [Fri Aug 03 12:18:27 2012] [info] [client 10.30.90.36] Connection closed to
> child 88 with standard shutdown (server xxxxxxxxxx:9333)
> [Fri Aug 03 12:18:28 2012] [debug] ssl_engine_io.c(1869): OpenSSL: I/O error,
> 5 bytes expected to read on BIO#ea9a720 [mem: ea590c0]
> [Fri Aug 03 12:18:28 2012] [info] [client 10.30.90.36] (70007)The timeout
> specified has expired: SSL input filter read failed.
> [Fri Aug 03 12:18:28 2012] [debug] ssl_engine_kernel.c(1893): OpenSSL: Write:
> SSL negotiation finished successfully
>
>
> We have tried to upgrading to the latest release Apache 2.4 using OpenSSL
> 1.0.1 with no success, any thoughts on what might be wrong here
>