WB_Disallow - list of file types (extensions) that can not be uploaded

Syntax
WB_Disallow=comma-separated list containing file extensions that are not allowed for upload

Syntax example
WB_Disallow=![jpg,jpeg,gif,png]

Valid inputs
1. comma-separated list of disallowed file extensions in form
ext1,ext2,ext3,...,extN
2. comma-separated list of allowed file extensions in form
![ext1,ext2,ext3,...,extN]

Default value
wbsp

Description
This variable defines file types (extensions) that can not be uploaded using current WBSP file. It can contain either list of the disallowed file types, or a list of allowed file types enclosed in square brackets with preceded with exclamation mark
If WB_Disallow value is Current WBSP file will
wbsp,asp,exe,bat,com allow upload of all files except:
*.wbsp
*.asp
*.exe
*.bat
*.com
![jpg,jpeg,gif,png] disallow upload of all files except:
*.jpg
*.jpeg
*.gif
*.png

Important: This variable cannot be sent using HTML form unless you specify value $form$ (WB_Disallow=$form$ ) in WBSP file. Setting this variable value to $form$ could be unwise and very risky decision.