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A use of "2" type of redirect would be where you have a substantial amount of changes and you may want to redirect the user to a page that alerts them about changes, i.e. http://oldsite.cornell.edu -> http://newsite.cornell.edu/welcome-oldsite-users.html
Note that it is NOT possible to automatically create a redirect by pointing the DNS for siteA to siteB. In some cases this may simply cause both siteA and siteB urls to work without a redirect or it may not work at all. For a redirect to be setup it requires that a webserver be configured to perform the redirect.
Creating "1" Redirect
This is can be created by create creating a ".htaccess" file that contains:
...
The ".htaccess" should be placed in the "DocumentRoot" of the site. This is typically the same directory that would contain the "index.html", "index.cfm", "index.php", etc... that contains the content of http://siteA.cornell.edu/.
For example:
| No Format |
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htdocs/siteA/index.html htdocs/siteA/.htaccess |
Create "2"
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RedirectMatch
This is can be created by create creating a ".htaccess" file that contains:
| No Format |
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RewriteEngineRedirectMatch On RewriteRule .* http://siteB.cornell.edu/url2 |
The ".htaccess" should be placed in the "DocumentRoot" of the site. This is typically the same directory that would contain the "index.html", "index.cfm", "index.php", etc... that contains the content of http://siteA.cornell.edu/. Not all webdav clients (i.e. Windows 7 folders) support modifying ".htaccess" files, it may be necessary to use a client like BitKinex or Cyber Duck that allows ones to modify ".htaccess" files (this is a limitation of the client program). A workaround for using Windows 7 folders can be found at: http://www.techpavan.com/2009/01/16/create-htaccess-windows/
For example:
| No Format |
|---|
htdocs/siteA/index.html htdocs/siteA/.htaccess |