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From: Stefan Eissing <stefan.eissing@greenbytes.de>
In-Reply-To: 
 <CAMW4mqqvAAd1-2GXA+D7E2O2kbDQ=wZ1in870oU0bvmoRRJ3RQ@mail.gmail.com>
Date: Mon, 14 Mar 2016 13:09:52 +0100
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To: users@httpd.apache.org
Subject: Re: [users@httpd] Potential HTTP/2 Bug within Apache 2.4.18

Good to hear! I will update the bug. Thanks.

> Am 14.03.2016 um 13:08 schrieb Russel Van Tuyl =
<russel.vantuyl@gmail.com>:
>=20
> Stefan, version 1.2.8 works great. Thanks for the fix and for your =
help. I create a bug report with Apache yesterday. Do you want to update =
it or would you like me to? =
https://bz.apache.org/bugzilla/show_bug.cgi?id=3D59176
>=20
> On Mon, Mar 14, 2016 at 7:05 AM, Stefan Eissing =
<stefan.eissing@greenbytes.de> wrote:
> Russel,
>=20
> if you have a apxs installed, it's probably easiest to checkout and =
make the github alpha
> release from https://github.com/icing/mod_h2/releases/tag/v1.2.8 where =
I just released the
> fix. There are other bug fixes in there, that should be good to have =
as well.
>=20
> If you want to stay on the pure 2.4.18, you can apply this patch:
>=20
>=20
>=20
>=20
> Let me know if this works for you.
>=20
> -Stefan
>=20
> > Am 14.03.2016 um 11:35 schrieb Russel Van Tuyl =
<russel.vantuyl@gmail.com>:
> >
> > I've never applied or tested a patch before, but i'm willing to give =
it a shot.
> >
> > On Mon, Mar 14, 2016 at 5:35 AM, Stefan Eissing =
<stefan.eissing@greenbytes.de> wrote:
> >
> > > Am 13.03.2016 um 04:18 schrieb Russel Van Tuyl =
<russel.vantuyl@gmail.com>:
> > >
> > > I'm running an Apache 2.4.18 web server (Server-A) compiled from =
source as a reverse proxy. I'm using ProxyPass on Server-A to pass =
traffic to a proxy, nghttpx, listening on 127.0.0.1:3000. This nghttpx =
proxy sends traffic to a second server, Server-B, across the network. =
Connections from a web browser on Client-C work fine connecting to =
Server-A that connects to nghttpx proxy on 127.0.0.1:3000 that connects =
to Server-B. These connections only work when Server-B is using Apache =
2.4.17. When Server-B is using Apache 2.4.18 the connection errors out =
and will not complete. The exact error message is down below this =
narrative. I'm not sure why it is requesting http://(null)/ . At this =
point, the only that has changes is Server-B's version of Apache. =
Neither Server-A or the nghttpx's configuration change, just the version =
of Apache on Server-B. I've built both Apache 2.4.17 and 2.4.18 from =
source on Server-B using the same configurations. The debug output from =
mod_http2 for both a failed and successful connection can be found here: =
http://pastebin.com/XnUL8aeh . Is this is a bug in Apache 2.4.18 or is =
there something else I can try and do to narrow the problem down?
> > >
> > >
> > > [Sat Mar 12 20:54:53.087621 2016] [http2:debug] [pid 21439:tid =
140096657385216] h2_stream.c(321): [client 192.168.56.120:34283] =
h2_stream(73-1): RST=3D2 (internal err) GET http://(null)/
> >
> > What I see from the 2.4.18 log is that the incoming request has no =
':authority' header and is rejected. Reading RFC 7540 carefully, this is =
a bug. The nghttpx, acting as h1->h2 proxy MUST not send and :authority =
header. nghttpx does everything right and mod_http2 has it wrong.
> >
> > Are you able to apply/test a patch?
> >
> > -Stefan
> > =
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> > To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
> > For additional commands, e-mail: users-help@httpd.apache.org
> >
> >
> >
> >
> > --
> > Respectfully,
> > Russel Van Tuyl
> >
> > =E2=80=9CIf you don=E2=80=99t go after what you want, you=E2=80=99ll =
never have it. If you don=E2=80=99t ask, the answer is always no. If you =
don=E2=80=99t step forward, you=E2=80=99re always in the same place.=E2=80=
=9D -- Nora Roberts, author
>=20
>=20
>=20
>=20
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
> For additional commands, e-mail: users-help@httpd.apache.org
>=20
>=20
>=20
> --=20
> Respectfully,
> Russel Van Tuyl
>=20
> =E2=80=9CIf you don=E2=80=99t go after what you want, you=E2=80=99ll =
never have it. If you don=E2=80=99t ask, the answer is always no. If you =
don=E2=80=99t step forward, you=E2=80=99re always in the same place.=E2=80=
=9D -- Nora Roberts, author


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