Hello everyone,
I'm just a student and now I want to build a system with SOPHOS UTM 9 as security gateway. My network topology as below
My willing is public services web and mail, NAT internal (10.0.0.0/8) to external, NAT DMZ (172.16.0.0/16) to external, NAT external (172.16.0.0/16) to internal (10.0.0.0/8) using only DNS service and HTTP(S) service. My configuration as below
But I can only use PING protocol and cannot use any protocol else. Please help me where am I stuck?
Many thanks
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