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List of Banned File Extensions
updated: 1/7/2005
Computer viruses are often spread by files attached to email messages. The recipient can inadvertently activate a virus by opening
an infected e-mail attachment, infecting their own computer and other computers across the campus network.
Information Technology is committed to providing a safe computing environment for all its students, faculty and
administrators. One component of our safe computing environment is Anti-Virus scanning of all incoming e-mail
messages using GFI MailEssentials software. This software scans e-mail attachments, detecting viruses or potential virus threats and
either deleting the attachment or quarrantining the message and attachment.
Listed below are the banned file extensions and those file extentions that are quarrantined from delivery.
Banned File Extensions
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.ani
.bas
.bat
.chm
.cmd
.com
.crt
.cpl
.exe
.hlp
.hta
.inf
.ins
.isp
.js
.jse
.lnk
.msc
.msi
.msp
.mst
.pcd
.pif
.rar
.reg
.scr
.sct
.shb
.shs
.url
.vb
.vbe
.vbs
.wmf
.wsc
.wsf
.wsh
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Animated cursor
Microsoft Visual Basic class module
Batch file
Compiled HTML Help file
Microsoft Windows NT Command script
Microsoft MS-DOS program
Security certificate
Control Panel extension
Program
Help file
HTML program
Setup Information
Internet Naming Service
Internet Communication settings
JScript file
Jscript Encoded Script file
Shortcut
Microsoft Common Console document
Microsoft Windows Installer package
Microsoft Windows Installer patch
Microsoft Visual Test source files
Photo CD image, Microsoft Visual compiled script
Shortcut to MS-DOS program
Compressed Archive File
Registration entries
Screen saver
Windows script component/Foxpro
Windows script component into a document
Shell scrap object
Internet shortcut
VBScript file
VBScript Encoded script file
VBScript file
Windows Meta File
Windows Script Component
Windows Script file Windows Script Host Settings file
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Files Blocked from Direct Delivery
The following file types are blocked from direct delivery and are quarantined. IT staff assess the quarrantined files each morning to
determine whether they are legitimate or are in fact a virus. If legitimate, they are forwarded on to the intended recipient.
.zip
.doc with embedded macros charateristics
.xls with embedded macros characteristics
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