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 Topic: Setting mod_h2 to work on http |
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roysitumorang
Joined: 13 Jul 2015
Posts: 14
Location: Indonesia, Sidikalang
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Steffen
Moderator
Joined: 15 Oct 2005
Posts: 3058
Location: Hilversum, NL, EU
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 Posted: Tue 22 Sep '15 12:28 Post subject: |
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mod_h2 supports h2c (http/2 over http), browsers like Chrome, Firefox, IOS9, Win10 do not support it at the moment.
While some browsers' spokespersons have stated they will not implement h2c, the Internet Explorer team has expressed that they will, and curl already supports this. Maybe the browsers will chill out eventually and support it. After all, not everything needs encryption and therefor a waste of resources on both ends of a connection.
See for a complete list: https://github.com/http2/http2-spec/wiki/Implementations |
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DnvrSysEngr
Joined: 15 Apr 2012
Posts: 219
Location: Denver, CO USA
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| Posted: Tue 22 Sep '15 20:12 Post subject: |
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| Mod_h2 does work (or at least loads) without mod_ssl, meaning you can run it on Apache without using HTTPS / having an SSL cert. However, in the error log, it does state that mod_h2 needs mod_ssl. |
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glsmith
Moderator
Joined: 16 Oct 2007
Posts: 2268
Location: Sun Diego, USA
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| Posted: Tue 22 Sep '15 20:48 Post subject: |
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[Tue Sep 22 11:19:45.866600 2015] [h2:warn] [pid 8004:tid 488] AH02951: mod_ssl does not seem to be enabled
What do you know. This check should have a caveat that if h2 is configured as one of the protocols. h2c has no need for mod_ssl.
I'd imagine it's there because no browser actually supported h2c at the time, still doesn't. Once one breaks from this rigid thinking, the others should soon follow.
Oh, and it does work without mod_ssl
| Code: | C:\Apache24h2\bin>curl --http2 -i http://localhost
HTTP/1.1 101 Switching Protocols
Upgrade: h2c
Connection: Upgrade
HTTP/2.0 200
date:Tue, 22 Sep 2015 18:22:23 GMT
server:Apache/2.4.17-dev (Win32)
last-modified:Tue, 08 Sep 2015 18:58:01 GMT
etag:"88-51f40f1f97d00"
accept-ranges:bytes
content-length:136
content-type:text/html
<html><body>
<h1>It works!</h1> |
With h2 this is now correct and says HTTP/2, with h2c it's wrong.
$ENV{'SERVER_PROTOCOL'} = HTTP/1.1
So it got partially fixed.
Edit: Testing methodology was incorrect (was on auto-pilot) so the above is grayed out statement is itself incorrect.
Last edited by glsmith on Tue 22 Sep '15 21:42; edited 2 times in total |
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DnvrSysEngr
Joined: 15 Apr 2012
Posts: 219
Location: Denver, CO USA
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| Posted: Tue 22 Sep '15 21:12 Post subject: |
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Gregg:
I was not disputing that mod_h2 will run without mod_ssl. I was merely pointing out that it generates the nag message in the error log.
Also, Http2 / Spdy checking addons for Chrome or Firefox will not detect without the HTTPS protocol running on your Web server. That is what I have discovered.
-S |
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