As an example if I want to block or allow a subnet from accessing a few hosts on a different subnet I have a seperate rule for each destination / host (keeping the same source) e.g.   Rule #1 Source 192.168.1.0/21 Destination: 10.10.20.20 Rule #2 Source 192.168.1.0/21 Destination: 10.10.20.21 Rule #3 Source 192.168.1.0/21 Destination: 10.10.20.22   Can I instead have one rule where the destination is 10.10.10.20/30 so that all hosts are covered?   ... View more