O365 sub-applications

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O365 sub-applications

L3 Networker

Currently, our palo alto only detects the following O365 applications

*ms-office365

*outlook-web-online

*sharepoint-online

*ms-office365-base

*ms-teams

*ms-lync-online

 

Do we need to enable SSL decryption so that it can detect other sub-applications? (ms-downloading, ms-uploading, ms-posting, etc.)

1 ACCEPTED SOLUTION

Accepted Solutions

Cyber Elite
Cyber Elite

@theonewhoknocks ,

To expand on the correct answer of @OGMaverick; the firewall can't actually identify any of the more specific app-ids unless it can actually inspect the full traffic via decryption. Without decryption, the app-id process is really "best-effort" practice and you'll miss out on the finer controls that you would have had access to if decrypting the traffic. 

View solution in original post

3 REPLIES 3

L3 Networker

Yes

Cyber Elite
Cyber Elite

@theonewhoknocks ,

To expand on the correct answer of @OGMaverick; the firewall can't actually identify any of the more specific app-ids unless it can actually inspect the full traffic via decryption. Without decryption, the app-id process is really "best-effort" practice and you'll miss out on the finer controls that you would have had access to if decrypting the traffic. 

If we decrypt O365 traffic, can it "see" the file names of the files being transmitted? Right now we are using an Exchange solution, that even if the traffic is decrypted, the firewall cannot "see" the files, so in the monitor there is no indication that a file was attached to an email, that would be something we would like to implement.

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