Regarding File Permissions on CFML Source Files

Ok, final post for today. This one is also a follow up to a demonstration made by the instructor in my DB Design class that was intended to stress the importance of users setting Read permission on for Other on a common Linux server used by the class. Reposting here for benefit of those not on the internal class forum.

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In last night's class Maria demonstrated the importance of having the read bit turned on for Other for your ColdFusion cfm files.

Initially she removed the read bit for Other and then refreshed the browser while expecting to demonstrate an error that she wants to protect you from. Instead the page worked as normal? So what happened?

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How ColdFusion Receives and Processes Requests.

Here's another post I made to the internal forum for my class on Database Design where I describe how requests are handled by ColdFusion and how the webserver connector works in general. Reposting here in case anyone finds it useful.

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A question was asked in yesterday's class regarding the difference between making requests to the Apache port versus the ColdFusion port.

Effectively, the answer is that there is no difference for the purpose of this class.

ColdFusion MX has a built-in webserver that can be used in lieu of an external, production-quality webserver like Apache, Iplanet, or IIS. The default for this built-in webserver is port 8500, 8501, or 8300 depending on the type of installation and CF version, and that port is configurable.

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Regarding looping by CFOUTPUT

In my Database Design class last night, the use of ColdFusion was introduced to the other students, and I posted the following message on the internal forum. I'm reposting here in case it helps anyone else new to ColdFusion.

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Just to clarify the use of CFOUTPUT in the 11/15 class...

There were two examples of CFOUTPUT operating on a query result set in the handout.

In the earlier example it was demonstrated that a query which returned only one row could be output by nesting references to the queryname.column inside a CFOUTPUT tag. When CFOUTPUT is used without any attributes in the opening tag its behavior is to just evaluate ColdFusion variables to their values that are between it and the closing CFOUTPUT tag. So I could perform a simple addition such as [CFSET sum = 1 + 2> followed by [CFOUTPUT>#sum#[/CFOUTPUT> and the resulting output would be 3. This output gets added to the generated content buffer for the HTTP Response and eventually gets sent back to the browser for display.

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