IIS

INTERNET INFORMATION SERVICE
●
Formerly IIS called as Internet Information Server.
●
Its an extensible web server created by Microsoft for use
with Windows NT family.
●
IIS supports HTTP, HTTPS, FTP, FTPS, SMTP and
NNTP.

Cont..
●
It has been an integral part of the Windows NT family
since Windows NT 4.0, though it may be absent from some
editions (e.g. Windows XP Home edition).
●
IIS is not turned on by default when Windows is installed.
●
The IIS Manager is accessed through the Microsoft
Management Console or Administrative Tools in the
Control Panel.

IIS VERSIONS
●
IIS 1.0 was initially released as a free addon for Windows
NT 3.51.
●
IIS 2.0 was included with Windows NT 4.0.
●
IS 3.0, which was included with Service Pack 2 of Windows
NT 4.0, introduced the Active Server Pages dynamic
scripting environment.
●
IIS 4.0 was released as part of an "Option Pack" for
Windows NT 4.0.

Cont..,
●
IIS 5.0 shipped with Windows 2000 and introduced additional
authentication methods, management enhancements including a
new MMCbased administration application, support for the
WebDAV protocol, and enhancements to ASP. IIS 5.0 also
dropped support for the Gopher protocol.
●
IIS 5.1 was shipped with Windows XP Professional, and was
nearly identical to IIS 5.0 on Windows 2000.
●
IIS 6.0, included with Windows Server 2003 and Windows XP
Professional x64 Edition, added support for IPv6 and included a
new worker process model that increased security as well as
reliability.

Features
●
IIS 6.0 and higher support the following authentication
mechanisms.
●
Anonymous authentication
●
Basic access authentication
●
Digest access authentication
●
.NET Passport Authentication (Removed in
Windows Server 2008 and IIS 7.0)
●
Certificate authentication

Cont..,
●
IIS 7.0 was a complete redesign and rewrite of IIS, and was
shipped with Windows Vista and Windows Server 2008. IIS
7.0 included a new modular design that allowed for a
reduced attack surface and increased performance.
●
IIS 7.5 was included in Windows 7 (but it must be turned
on in the side panel of Programs and Features) and
Windows Server 2008 R2. IIS 7.5 improved WebDAV and
FTP modules as well as commandline administration in
PowerShell

Cont..,
●
IIS 8.0 is only available in Windows Server 2012 and
Windows 8. IIS 8.0 includes Application Initialization,
centralized SSL certificate support, and multicore
scaling on NUMA hardware, among other new
features.
●
IIS 8.5 is included in Windows Server 2012 R2 and
Windows 8.1. This version includes Idle workerProcess
pageout, Dynamic Site Activation, Enhanced Logging,
ETW logging, and Automatic Certificate Rebind.
●
All versions of IIS prior to 7.0 running on client
operating systems supported only 10 simultaneous
connections and a single website.

Cont..,
●
IIS 7.0 has a modular architecture. Modules, also called
extensions
●
Security modules
●
Content modules
●
Compression modules
●
Caching modules
●
Etc..

Cont..,
●
IIS 7.5 includes the following additional or enhanced
security features
●
Client certificate mapping
●
IP security
●
Request filtering
●
URL authorization

Cont..,
●
IIS 8.0 offers new features targeted at performance and
easier administration. The new features are,
●
Application Initialization
●
Splash page during application initialization
●
Centralized SSL certificate support
●
Dynamic IP Address Restrictions
●
CPU Throttling, etc..

Cont..,
●
IIS 8.5 has several added features related to logging and
troubleshooting,
●
Idle workerProcess pageout
●
Dynamic Site Activation
●
Enhanced Logging
●
ETW logging
●
Etc..

IIS

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