SPDY (pronounced "SPeeDY"), now HTTP/2, is a networking protocol whose goal is to speed up delivery of web pages

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HTTP/2 and SPDY running together in Apache

I have the latest Apache installed and currently support HTTP/2. Can I setup SPDY and run it together with HTTP/2? The goal is to also take advantage of the SPDY for browsers that do not support ...
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Measure goodput before sending a response

My idea is to make it possible for web applications working on slower connections to fallback on alternative smaller asset versions(like images, videos, etc.). HTTP Live Streaming has similar behavior ...
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Configure http2 logging (Apache)

System: ubuntu 14.04 Webserver: Apache 2.4.18 I have enabled http/2 in /etc/apache2/mods-enabled/http2.load LoadModule http2_module /usr/lib/apache2/modules/mod_http2.so <IfModule ...
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Apache error logs: Client sent RST_STREAM with INVALID_STREAM for stream

Looking through my Apache error logs, they seem to consist of megabytes worth of the following message, over and over again: [Day Mon xx xx:xx:xx 20xx] [warn] [client x.x.x.x] [mod_spdy/0.9.4.3-420] ...
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134 views

Nginx with Chrome: 400 Bad request (premature end of spdy header block)

I'v discovered, that may server's log have many of HTTP 400 Bad requests, originating from clients using Chrome browser, with a rapid DOS-like interval. (40-50 requests per second) ...
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146 views

moved to new server - 408 request timeout increase

I just moved a few websites to a new server Apache/2.4.7 - Ubuntu 14.04 SPDY is enabled, I use fcgi_module for PHP as recommended. I don't know if that is relevant, since it is the same configuration ...
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174 views

Is it correct that Nginx reports HTTP/1.1 status codes with SPDY (3.1)?

Questions Do I have to look at response headers like X-Firefox-Spdy to determine which protocol was actually used? Can I assume that Nginx will report HTTP/2 status codes once the implementation is ...
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40 views

Can't make SPDY work on Apache 2.2.22 (Ubuntu 12.04 server)

I'm trying to enable this apache module. I did everything this documentation from Google says: https:// developers.google.com/speed/spdy/mod_spdy/ However, if I use "SPDY indicator" chrome extension ...
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1answer
16 views

Is it possible to use SPDY module for non-secure connections?

SPDY module is designed to only work with secure connections (SSL-enabled websites). I want to know there is any fork of that project (specifically MOD_SPDY for apache) which bypasses SSL and works ...
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86 views

Install SPDY failed

I am trying to install SPDY on my server. I am running CENTOS 6.6 x86_64 with Apache. I am using the following guide, https://www.howtoforge.com/using-mod_spdy-with-apache2-on-centos-6.3 But ...
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209 views

Unexpected File Download Slowness After Enabled SPDY on Nginx

A simple WordPress static site run entirely on https. Nginx conf here: http://pastebin.com/BrP0LThT Only difference before / after is: listen 443 ssl; listen 443 ssl spdy; Nginx ...
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Apache spdy is on, passed spdycheck but browser still cannot use spdy

After install mod_spdy, switch to mode ssl_with_npn and test with spdytest I see everything is working well: https://spdycheck.org/#chuongduong.net But when start with firefox, the spdy check plugins ...
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2answers
248 views

Spdycheck is OK but Chrome 42 has Not Spdy Enabled

I am trying to implement spdy protocol with Nginx 1.8.0. I've built it with spdy module. When I check my website through spdycheck.org it is everything green and says spdy 3.1 is supported, but ...
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1answer
868 views

403 Forbidden error with fcgid and PHP

I'm trying to configure php and mod_spdy on Apache 2.4, Debian jessie, x64. I've followed this guide and configured Apache following this other guide and installed these packages: ...
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5answers
1k views

Apache HTTPD with SPDY 3.1

SPDY 3.1 has been release a while ago. Google has donated the mod_spdy project to apache (https://code.google.com/p/mod-spdy/). Is it possible to use SPDY 3.1 with Apache Httpd?
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Enabling mod_spdy with mod_proxy_ajp to Tomcat

I am using mod_proxy_ajp to Tomcat. If I enable mod_spdy... Will this mean that connections over the proxy will be SPDY enabled?
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1answer
150 views

Apache with SPDY enabled show HTTP/1.1 and not 2.0

How I can make the requests shows HTTP 2.0 and not 1.1? I'm sending requests with SPDY only and not 1.1.
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Is it normal for nginx latency to get worse throughout the loading of a webpage's assets?

If I open up Chrome devtools and go to the Network panel and then do a ctrl+F5 of my website, I notice a pattern each time. The first request, to a php page, has a latency (waiting) time of 74ms. ...
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1answer
169 views

Keepalived (LVS) + SPDY

I've got Keepalived configured with LVS to spread the load between four Nginx web servers (RR mode, no persistence connections). I was planning to enable SPDY however it seems that SPDY sets up a ...
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1answer
1k views

Missing NPN Extension

I'm trying to set up mod_spdy with Apache (mod_spdy-0.9.4.3-r420 and apache2-2.2.22-13+deb7u3 on Debian Wheezy). As far as I can tell, everything is the way it's supposed to be, but I'm getting the ...
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355 views

Website does not advertise HTTP in its NPN Extension spdy

I have configure Apache with SPDY (and PHP-FPM). Everything works fine. However, spdycheck.org shows me following error: HTTP Over SSL Not Supported! This website only supports SPDY over SSL, ...
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1answer
5k views

Error code: ERR_SPDY_PROTOCOL_ERROR

Just installed StartSSL certificate on my debian wheezy, nginx 1.6 server. Everything seem to be working fine, I can browse the website in https no problem until I try to login... IE works fine and I ...
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1answer
5k views

How to enable mod_spdy on Apache 2.4

It has been announced by Google that it has donated the mod_spdy code to the Apache foundation. There is also a trunk of mod_spdy in the Apache SVN. However, it looks to be in active development. ...
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500 views

IE 11 not using SPDY with NGINX as reverse proxy to PHP IIS

I have a SPDY enabled NGINX front end server which is acting as a proxy to a couple of IIS backend servers. SPDY works awesome when using either Chrome, Opera Next or Firefox but when I load my sites ...
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774 views

How to enable SPDY in LiteSpeed?

I have the latest LiteSpeed Enterprise running on my server. It was not installed with SPDY enabled. How do I enable SPDY? The server got lots of IPs and SSL certificates. I've seen that it might ...
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3answers
778 views

Enabling spdy in nginx fails spdycheck.org

I'm trying to enable spdy with nginx 1.6.0 but spdycheck.org is giving me two complaints: And My nginx configuration file is as such: server { listen 80; listen 443 ssl spdy; ...
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1answer
438 views

Nginx + unicorn + spdy + performance testing

I have a ruby on rails website that is hosted on unicorn webserver behind a nginx reverse proxy. I want to evaluate if using spdy will enhance my performance under this setup. Specifically, I need ...
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1answer
89 views

NGINX SPDY client differentiation/determination

I'm having a question about determining if a client is capable of SPDY or just SSL. I'm having a setup of a NGINX load balancer and a few Apache backend servers and I'd like to redirect SPDY capable ...
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2answers
1k views

Enabling SPDY for nginx as reverse proxy to Apache

I am running nginx as a reverse proxy to apache (with mod_wsgi for a django app). nginx also serves static files. If I enable spdy on nginx, do I need to enable spdy on apache too to get maximum ...
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1answer
180 views

Can't get SPDY working on nginx 1.5.9

I can't get spdy to work after reinstalling Ubuntu. I'm using nginx 1.5.9 from the nginx launchpad repository which has spdy support build in. Snippet: root@ssl:/etc/nginx/# nginx -V nginx version: ...
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197 views

SPDY & Nginx upload issues

I have this setting: an Nginx server with php-fpm and the http://blueimp.github.io/jQuery-File-Upload/ When I try to upload a file after about 10MB it fails. This happens when SPDY is activated. ...
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1answer
1k views

Getting PHP to work with SPDY?

I recently switched my site over to using HTTPS in all the URL's. (My post here) I am running Apache with PHP on Ubuntu 12.0.4 I was told that I should install the Apache module for SPDY since I ...
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1k views

Varnish, Nginx & SSL

I've added SPDY to my server last week which is running Varnish for cashing and Nginx as webserver. Varnish was listening at port 80 and Nginx at 8080 and 443. Traffic at 8080 is redirected using ...
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3answers
2k views

Why is SPDY breaking 'Vary: Accept-Encoding' in Nginx 1.4.3?

I've compiled Nginx 1.4.3 from source with the SPDY module. However when SPDY is enabled, it seems to break my 'Vary: Accept-Encoding' header. My Nginx Configuration: ./configure ...
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1answer
499 views

Is there a reverse proxy that can make SPDY connections to a back-end?

...other than spdylay in --spdy-relay mode? We've got a situation where a reverse-proxy has to talk SSL to a Tomcat server, and I'd love to test the performance boost of SPDY. Apache and Nginx both ...
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511 views

How to add Pound & Varnish to my SPDY/https-only LEMP stack?

So I got quite excited about installing Varnish, having read lots of good things. But then I discovered it doesn't work with https. Fair enough. It seems combining it with Pound is the solution: ...
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2answers
441 views

With SPDY push, is there any point in far-future expires headers?

As I understand it, in SPDY push the server serves up an HTML doc, looks at it before sending it, and decides I need images/css resources X Y and Z, so sends them over as well. How does it know to ...
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2answers
347 views

Does SPDY improve delivery of assets served from a non-SPDY CDN?

So my site is SPDY. All of my local assets are SPDY too. But the majority of my assets are served from Rackspace's CloudFiles CDN. This is not SPDY. Do those files get streamed through SPDY ...
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2answers
463 views

SPDYCheck says “yay”, but my browser says “nay”?

SPDYcheck.org gives the thumbs up all round, with its only criticism being Out-of-Date SPDY Protocol Support The most recent version of SPDY is spdy/3. The highest version this website supports is ...
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1answer
900 views

Nginx compiled --with-http_spdy_module yet raise errors complains ngx_http_spdy_module

[emerg] 21101#0: the "spdy" parameter requires ngx_http_spdy_module in /etc/nginx/conf.d/cc.conf isn't it the same module? and it causes multi-redirection error too. I have no idea what is going on. ...
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1k views

Nginx with SPDY Draft 3, is possible?

I'm currently using Nginx 1.4.1 with SPDY module. Unfortunately, the Nginx SPDY module, work only with the Draft 2 of protocol. Is there a way to use Nginx, with SPDY Draft 3?
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1answer
2k views

How to enable spdy module in nginx 1.4.1?

I have installed nginx 1.4.1 using in ubuntu 13.04 sudo add-apt-repository ppa:nginx/stable sudo apt-get install update sudo apt-get install nginx When I run nginx -V it returns nginx version: ...
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393 views

Nginx 1.5.1 with spdy support, passenger and php

I can't figure out if spdy is already packaged with nginx 1.5.1 or I have te recompile it. I installed nginx with the following command passenger-install-nginx-module this installed nginx 1.4.1 ...
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1answer
295 views

Why does Chrome fetch file in SSL so fast?

I have a remote server, which is about 390 ms ping delay. The server is nginx with ssl (spdy/2). When I use curl to fetch a small resource, it takes mostly 2 seconds. * About to connect() to ...
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154 views

Serving static front page using SPDY and nginx

I have a personal website which I recently upgraded to nginx 1.4 series. I enabled SPDY support, Using the Chrome extension SPDY indicator I can see that the front page is not using SPDY. Once I ...
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setting up Apache2.2 SPDY mod on windows

I have set up an Apache mod SPDY server on Ubuntu 13.04, but I need to do it on windows , because I have a proxy software that only runs on windows. I tried the wiki page for the official SPDY mod ...
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1answer
346 views

nginx spdy support not working

i try to install nginx with spdy support following here:ningx spedy, i used this configuration command ./configure --with-http_ssl_module --with-http_spdy_module ...
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2answers
763 views

Apache mod_spdy - Enable/Disable per Virtualhost

As the title suggests, i'm looking at mod_spdy and wondering if i can only enable it on certain VirtualHosts in apache, or if it's an 'all or nothing' kind of thing like PHP.
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2answers
2k views

How can I setup SPDY with Jetty behind Amazon's ELB?

I want to deploy SPDY, but I'm using Amazon's ELB TCP routing. The ELB also handles the secure connections for us. How can this be configured on the jetty side?
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1k views

Custom Build Apache, where is a2enmod or equivalent command?

I compiled my own copy of Apache 2.2 for testing SPDY and installed locally in my Linux home directory. However, I can't find the a2enmod as part of the install. Where can I find that script or can ...