Apache

• vlogger: http://n0rp.chemlab.org/vlogger
• webalizer: http://www.mrunix.net/webalizer

1. disable DNS Look Up
2. MaxClients ( 512 )
3. KeepAlive
   • Disable KeepAlive connections (by setting KeepAlive to Off)
   • Shorten the KeepAliveTimeout value to something like 3 seconds for instances), reducing the maximum simultaneous opened connections to 768
4. Compress HTTP Content

also see: HowtoForce - ModDeflate, mod_deflate

<Location />
 # Insert filter
 SetOutputFilter DEFLATE

 #DeflateFilterNote ratio
 #DeflateCompressionLevel 9
 # Netscape 4.x has some problems...
 BrowserMatch ^Mozilla/4 gzip-only-text/html

 # Netscape 4.06-4.08 have some more problems
 BrowserMatch ^Mozilla/4\.0[678] no-gzip

 # MSIE masquerades as Netscape, but it is fine
 # BrowserMatch \bMSIE !no-gzip !gzip-only-text/html

 # NOTE: Due to a bug in mod_setenvif up to Apache 2.0.48
 # the above regex won't work. You can use the following
 # workaround to get the desired effect:
 BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html

 # Don't compress images
 SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
 SetEnvIfNoCase Request_URI \.(?:exe|t?gz|zip|bz2|sit|rar)$ no-gzip dont-vary
 SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary

 # Make sure proxies don't deliver the wrong content
  Header append Vary User-Agent env=!dont-vary
</Location>

This configuration will compress everything except for images. Of course, you can’t test this with curl, but you can test it with Firefox and LiveHTTPHeaders. If you don’t have Firefox handy, you can try a very handy web application that will give you the statistics about the compression of your site’s data.

deflate.load header.load

= SSL = http://www.mail-archive.com/modssl-users@modssl.org/msg10790.html

ssl.conf
#SSLSessionCache shmcb:/var/run/apache2/ssl_scache(512000)
SSLSessionCache dbm:/var/run/apache2/ssl_scache
SSLSessionCacheTimeout 300