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SSL/TLS speed vs lighttpd

+1 vote
81 views

Is it possible to speed up httpd ssl? In my tests serving a static file compared to lighttpd, lighttpd is about 7.5 times faster.

I used a default httpd configuration and the way i did my test was:

cd /document/root
mkdir -p ram
mount -t tmpfs -osize=512M tmpfs ram/
cd ram
dd if=/dev/urandom of=file.bin

wget --no-check-certificate https://localhost/file.bin -O /dev/null

My test system here is linux 3.9.11 on Intel i5 760 @ 2.80GHz

lighttpd does about 135 MB/sec
apache httpd does 17.5 MB/sec

changing apache httpd.conf with:

SSLCipherSuite RC4-SHA:AES128-SHA:HIGH:!aNULL:!MD5
SSLHonorCipherOrder on

apache httpd then does 18 MB/sec.

checking with google chrome, with default configurations, both lighttpd and apache httpd negotiate TLS 1.1. AES 256 The self signed certificate file apache httpd and lighttpd is identical. Both are linked
to the same openssl libs.

I want to use apache httpd on a LAN with gbit speed, serving files, and using WebDAV. When using embedded ARM processor @ 1ghz apache httpd is doing about 4MB/sec.

Any tips here? Is the apache httpd doing a lot of copies of the data from one buffer to another in the code that would be possible to optimize out?

I would prefer apache httpd, as the webdav compatibility is very good, vs lighttpd webdav is not fully implemented.

posted Aug 6, 2013 by Sheetal Chauhan

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I have 3 virtual hosts that for all I can see are configured identically other the the obviously needed differences. The same is true of the 3 crt files.

 ServerName public.mydomain.com
 DocumentRoot /var/www/html
 SSLEngine on
 SSLCertificateFile /etc/httpd/SSL/public.crt
 SSLCertificateKeyFile /etc/postfix/SSL/server.key

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 ServerName mail.mydomain.com
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