We have been running 9.412-2 in our AWS environment for some time. About a year or so ago, we had updated from 9.4 to 9.5, but ran into some significant problems. Because of this we had to revert back to 9.412-2. Since then, the Sophos UTM has been running without issue I am glad to say. As I am seeing more 9.5 versions come out, I am wondering if a good thing would be to update to 9.509-3 or even 9.510-5. Since we experienced the problems when upgrading to 9.5, I am a little hesitant to update again especially since our Sophos UTM 9.412-2 has been running without issue.
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