I have Sophos SG105. I am very new to this. Looking to use it in front o a single polcom hdx system. I want to allow a set on IP ranges and only those ranges. No matter the port. I entered in all the IP ranges in the network definitions. I made a group of the definitions. I made firewall rules allowing that group to the internal network on all ports. And outbound to to the group. When I test. The polycom behind the SG105 goes nowhere. From outside the other polycom does know that something is there but still fails to connect. I know I am doing something wrong. Probably basic am not sure what it is. I did also try adding in every port the polycom system use. Then added a NAT rule for that port to and from the network definitions. I quickly realized that I would be adding a few hundred rules that only difference is the IP range. I switched to making a group since all those notworks have the same access. Which is they do not get blocked at all.
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