Block Access to private Gmail but allow corporate

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Block Access to private Gmail but allow corporate

L1 Bithead

Hi all.

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?





Community Team Member

Hi @Leonid.Rozgon,


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.

Personal Gmail accounts have usual usernames (eg.


To block personal gmail access, enable ssl-decryption.  Next, create a data pattern matching "".

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 from the corporate account

-Reading an email from on the corporate account


I would think along those lines ... other tips are welcome ^_^


Cheers !


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 and its not detected as gmail-base application. Will continue testing. If anyone else have any ideas feel free to wite them here.





Were you able to find anything out? I know Google has a way to block it on Chrome OS devices. 

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