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How to create a debugger console using Sitecore and Log4net. Can be used to trap 404s and to log them.

Sitecore does not process default URLs such as http://somedomain.com/somefolder/. An ISAPI filter is required. A free, lite version is available here: http://www.helicontech.com/download-isapi_rewrite3.htm. Here's an example of the regular expression required: RewriteLogLevel 9 LogLevel debug RewriteRule ^/(sitecore.*)$ /$1 [L] RewriteRule ^/([^\.\?]+)/?(\?.*)?$ /$1default.aspx$2 [L]

You can use content parts to edit a portion of a site theme with a custom message, link list, or other less dynamic content.