We may receive a commission on purchases made from links. When you first sign up for internet service with one of the major providers like Xfinity, they'll usually offer to rent out a hybrid modem and ...

I have a setup where there is a comcast modem and a firewall. The firewall is acting as the DHCP server and handing out ip addresses. The comcast modem is only acting as a modem. The firewall had a ...