We might do that. First, try disabling IPv6 in the UTM instance. Also, take a look at DNS Best Practice.
Cheers - Bob
CTO, Convergent Information Security Solutions, LLC
https://www.convergesecurity.com
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CTO, Convergent Information Security Solutions, LLC
https://www.convergesecurity.com
Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries. Use the advice given at your own risk.
Make sure you turn off source/destination checking for each ENI bound to the Sophos UTM Instance. Also, a Micro instance for the UTM is not powerful enough... you will probably end up with at least the m1.small instance type.
CTO, Convergent Information Security Solutions, LLC
https://www.convergesecurity.com
Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries. Use the advice given at your own risk.