So I want to filter on client side so only sophos reds can use the internet.. what ip or port I need to whitelist? so far I only allow UTM ip but reds status still down.. I want to add sophos.com and supportaccess.. but their ip is dynamic (change all…

Hi all, We established a LAN interconnect via a UTM to UTM L2 RED tunnel. Everything works fine, except for DHCP. There is a DHCP server present at one end (internal lan behind the RED server), which doesn't work at the other end (internal lan behind…