Im looking for a solution to block user access to private gmail accounts but allow a corporate accounts to be used.
I'm aware that there is a solution involing proxy server and X-forwarder.
Is there any other way to do this without dedicated proxy serever?
I haven't tested this myself but you could try the following :
If I'm not mistaken for corporate Gmail access, the usernames have the customer domain name (eg. firstname.lastname@example.org).
Personal Gmail accounts have usual usernames (eg. email@example.com)
To block personal gmail access, enable ssl-decryption. Next, create a data pattern matching "@gmail.com".
Match this Data pattern on gmail-base app in a Data filtering object.
Apply the Data Filtering object to a policy.
This way you should be able to access corporate gmail accounts and personal gmail access should be blocked.
One caveat I think exists here :
Matching for the regex "@gmail\.com" in the whole page content might also have unwanted matches such as :
-Sending an email to firstname.lastname@example.org from the corporate account
-Reading an email from email@example.com on the corporate account
I would think along those lines ... other tips are welcome ^_^
Thanks for the idea, Kiwi.
Trying to test/implement it, but I think the problem is that there is no option to add ssl or google-base as application in Data filtering profile(whys is that?). Authentication form for gmail is done through accounts.google.com and its not detected as gmail-base application. Will continue testing. If anyone else have any ideas feel free to wite them here.
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