Greetings all.
In Sophos UTM9 under Network Protection->Firewall->ICMP there is an option to disable "Gateway is ping visible", we like that option but I'd still like to allow ICMP Pings from specific hosts we use for monitoring our clients for offline and latency alerts. I've done some testing and found you can add an explicit firewall rule allowing ICMP Ping traffic from specific hosts and it works fine-- so I thought I'd push a firewall ruleset from SUM and have found that there is no Destination definition for "External (WAN)", am I overlooking something or is this not possible?
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