IIS For Developers

IIS 7 / 7.5

• Version of IIS is always tied to version of OS.
• Modularity of IIS 7 /7.5: You chose modules of IIS which are to be installed.
• SSL Site: A unique IP address is required for SSL enabled web site.IIS cannot use Host name to distinguish, because host name is encrypted when IIS handles request.
• Starting IIS 7 certain settings are saved in Application’s web.config file.Each App pool has one worker process.
• Starting IIS 7: When you create a new web site, IIS creates a new App pool of exact same name.
• Managed Pipeline mode:  Use Integrated mode if possible.
• Unhandled exceptions lead to App pool to crash.
• Any type of configuration change leads to an App pool to recycle.
• Session state is saved in App pool. So when App pool is recycled session state would be lost?  
• IIS Troubleshooting

                                    -  Find slow running pages in runtime using worker processes module
                                     - Track errors using Failed Request Tracing module

• Log Parser Wizard & Log Parser Tool are could be used to analyze log files. Log Parser Tool allows SQL like queries on log.
• MSDeploy is a tool from Microsoft for deploying web sites.
• MSDeploy could be used

                    - To sync two web servers.

                            - Take back-up of site on physical drive and vice versa.

                            - Since Visual Studio 2010. MSDeploy is built in to VS 2010.

• URL Rewrite extension: Could be used to give friendly URLs to user. This is IIS feature.
• Web Farm Framework: There is IIS extension which helps in Web Farm.

IIS 8

• Application Initialization: When first user shows up, lot of initialization happens. Application initialization allows this to be done before first user shows up. Thus first user won't take hit.
• SNI: Allows multiple SSL certificates to one IP Address.