08-26-2010 02:37 AM
We have a rule on our PAN which allows tcp/25 app. SMTP to our MTA.
The MTA allows also TLS which establishes an encrypted connection on the same port.
Is therefore another PAN application necessary?
Thanks,
Rainer
08-26-2010 06:03 AM
I would set the service to port 25, and then observe what applications are being used.
I imagine that it will be the smtp and ssl apps.
08-26-2010 07:58 AM
I set the service to port 25 and the only logged application is SMTP.
In the MTA Logs I see the encrypted connection: “Delivery connection successfully accepted TLS protocol”.
So maybe TLS is implemented in the SMTP application…
08-26-2010 08:30 AM
I would just lock the app down the smtp and the service to application-default.
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