> The exchange servers have some groups of consecutive IPs on their allow list, > some cover 5 or 6 IPs, others 100. > Is there a way to provide the same list .i.e. > 192.168.0.2-12 OK > > without: > > Listing them all individually > i.e. > 192.168.0.2 OK > 192.168.0.3 OK > Etc... > Or > Allowing an entire subnet > 192.168.0.0/24 OK
Try 192.168.0.2/31 OK 192.168.0.4/30 OK 192.168.0.8/30 OK 192.168.0.12 OK or 192.168.0.0/31 REJECT 192.168.0.13 REJECT 192.168.0.14/31 REJECT 192.168.0.0/28 OK or 192.168.0.0/31 REJECT 192.168.0.12 OK 192.168.0.12/29 REJECT 192.168.0.0/28 OK Gabor