As the title suggests, we're going to install an extension for one web context. This needs to be done via the corresponding web administrator.
1. Go to
http://localhost:8080/railo-context/admin/web.cfm(or browse as according to your local setup, for example,site2.local:8888).2. After logging in, go to the menu item Extension | Applications.
3. Under the heading Not installed, click on the link CFDNS.
4 You will get a details page with the specifications of the extension:
5. Now click on Install.
6. After agreeing to the license information, you'll get the following screen:
7. That screen means you have installed a new Railo Server custom tag within 30 seconds.
8. Let's test this by creating a new file
dnstest.cfmwith the following content:<cfdns action="getaddress" host="www.getrailo.org" variable="testresult" /> <cfdump eval=testresult />
9. When we save that page and run it, we get the following output:
