Block file (attachment) upload/download for gmail.com

Products

• ISG Proxy
• ProxySG Software - SGOS

Issue/Introduction

You would like to block file(attachment) upload/download for clients using Web Gmail clients.

Environment

• ProxySG

Resolution

Add new Web Access Layer and Rule:

1. Destination -> Add New Combined Destination Object:

• Request URL: Host gmail.com, Host operator: Domain
• Request URL Category: Select Email (Under Bluecoat  > Non-Productive > Communication)
• Application Operation: Select Upload and Download Attachment (and Files, Media, Pictures, Videos)

This has to be split into two lists like that(with AND operator):

2. As a rule action set Deny.

3. Apply changes to the policy