I've just completed a fresh install of UTM 9. I followed the wizard during the install and specified the IP address configuration of both the internal and external interfaces. I enabled ICMP response on both interfaces.
I am able to ping the internal interface from the inside network and the external interface from the Internet side. I am also able to ping hosts on both the internal network and the Internet from the appliance itself when I'm SSH'd in.
With the exception of the ICMP changes I made, the appliance has whatever set of firewall/traffic rules are default.
I am *not* however able to ping Internet hosts from the inside network through the UTM or access any other ports eg. http/80. The firewall rules I am looking at do not appear to be blocking this. The host I am originating the traffic from of course has the UTM set as it's default gateway.
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