I configured no-ip ddns, and the ddns server gets the first update, so everything is configured properly, no further updates. I have tried 1 hour, 6 hours, 12, etc., and all the same - I click...

I'd like to be able to block/unblock clients at preset times, and I'm wondering if anyone knows the SSH commands that can be used on the gateway to do this? I have not problem accessing the gateway...