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CGI/Perl Script Permissions |
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Changing File Permissions
This page explains how to set file permissions for the three most common type of web files: pages,
scripts and data/config files. If you're new to scripting, or getting the dreaded "Internal Server
Error" when you try to run a sample script you've downloaded, start here.
To keep things simple, let's make the following assumptions:
 | pages should be readable/writable by the owner and readable by the web visitor.
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| scripts should be readable/writable/executable by the owner and
readable/executable by the web visitor. |
| data-config files should be readable/writable by the owner and readable/writable
by the web visitor. |
And also, lets use the following abbreviations:
| --- (or 0) = no permission |
| r-- (or 4) = read-only permission
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| rw- (or 6) = read/write permission
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| r-x (or 5) = read/execute permission
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| rwx (or 7) = read/write/execute permission
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Sometimes you'll see these numbers referenced for a script. For instance, "chmod your
script to "755" or "777". That means "set file permissions to
"Read-Write-Execute/Read-Execute/Read-Execute". "755" is in fact the most common setting for CGI/Perl
scripts - if your script does not work or you get an "Internal Server Error" when you run it try this
first.
To change file permissions using your FTP software:
- Log into your account and go to the directory where the files are located.
- Highlight the file that you want to change permission.
- Locate the "file permission" or "chmod" command on your FTP software software (you
may need to refer to the manual or help file)
- There should be three groups. Each group should have either checkboxes or a
selection for the permission type.
To change file permissions using your Control Panel - File Manager:
- Log into your account Control Panel (mydomain.com/cpanel) and go to the File
Manager, and then the "public_html" folder.
- Identify the file that you want to change permission.
- Select the "permission" link on the left side of the file you have identified.
This will open a new window:
- There should be three groups. Each group should have checkboxes for the permission
types. Don't worry about the "s" or "t" permissions - those are for rarely used settings.
 | set plain html pages to rw- for the owner, no permission for the group, and
r--for other (default) |
| set scripts to rwx for the owner, r-x for the group, and r-x for other
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| set data/config files to rw- for the owner, no permission for the group, and rw-
for other |
Select "Submit" to finish.
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