Server side includes allow files with the .shtml extension to have server side include tags expanded before being returned to the client. Includes NOEXEC also enables server side includes but disables the #exec and #include tags for CGI scripts. May follow symlinks allows accessing directories and files that are symbolic links if this feature is enabled.

3. Server side includes
If enabled, files with the extension .shtml are processed to
expand server side includes tags before the results are
returned to the client.
Includes NOEXEC
Also enables server side includes, but the SSI tag #exec and
#include:ing CGI-scripts are disabled.
May follow symlinks
If an accessed directory or file is a symbolic link, the access
will only be allowed if this feature is enabled.

4. • Quickly access workflow-driven and collaborative business
applications that support a wide variety of business
functions.
• Helps users manage their ever-growing inboxes effectively,
with full-text search, delegation, mail filtering and sorting,
conversation views and flags.
• Helps minimize or eliminate the impact of computer viruses
through robust security features.
IBM LOTUS

5. X-Sendfile
Allows scripts or web applications to send files on the
filesystem that are restricted by the web server lighttpd by
having the script send a special header.
Backends
Capable of automatically spawning FastCGI backends as
well as using externally spawned processes.
Memcached
Has mod_cml module taht support communication with
memcached directly.

6. Secure Content Publishing
Publish web content more securely
using standards based protocols.
Rich Diagnostic Tools
Find and fix issues quickly and easily
with powerful diagnostic tools.
Centralized Web Farm Management
Deploy and manage Web sites and
applications across large farms of Web
servers from a central place.

8. Solaris OS on SPARC and x86 platforms, versions 9 and 10, 32–bit
and 64–bit
Red Hat Enterprise Linux Advanced Server 4.0 and 5.0, 32–bit and
64–bit
Microsoft Windows Server 2003, 32–bit only
Microsoft Windows Server 2008, 64–bit only
Ubuntu 8.x Server Edition, 32-bit and 64-bit
SuSE Linux 9.x, 32-bit and 64-bit
Debian 4.x, 32-bit and 64-bit
IBM AIX 5.x and 6.1, 32–bit only
HP-UX 11i v2 or later, 32–bit with the integrated (built-in) Apache
2.2.x server only

9. • Linux (binary packages for FC3, SuSE, Debian,
Gentoo, PLD-Linux, OpenWRT)
• BSD (FreeBSD, NetBSD, OpenBSD, MacOS X)
SGI IRIX
• Windows (Cygwin)

10. Red Hat Enterprise Linux (RHEL) WS Version 5.0 Update 2 Desktop editions
Red Hat Enterprise Linux (RHEL) WS Version 5.0 Update 3 Desktop editions
Red Hat Enterprise Linux (RHEL) WS Version 5.0 Update 4 Desktop editions
Red Hat Enterprise Linux Version 5.0 Update 4 Desktop editions support
SUSE Linux Enterprise Desktop (SLED) Version 10.0 SP2
SUSE Linux Enterprise Desktop (SLED) Version 11.0
Ubuntu Desktop Version 8.04
Windows 7 support
Mac OS X Leopard Version 10.5
Mac OS X Snow Leopard Version 10.6
Windows Vista Enterprise with FDCC
Windows XP Professional with FDCC with SP2
Windows Vista Ultimate
Windows XP Professional Version with SP2 or higher
Windows XP Tablet PC Edition

12. Thank you !!