We have some RUT950 installed as 4g modem. For some needs their sim card has a public IP, so we can go inside our equipment via VPN.
But since last september we encontered an increase in consumption of data. The tcpdebug isn't showing something clear. When we inspect the state of connexion, a destination host is at the high : rev.poneytelecom.eu:443. When I want to block it's IP address, another IP give the place, with the same name.
Have one of you meet this host ? I don't see what that means. And how to block definitively that.