Hello,
In a two-router system like the one you described, each router functions independently and has its own security settings. The primary router supplied by your service provider likely has its own security features enabled, such as a firewall and basic password protection.
The secondary router, which is the DD-WRT flashed router that you use for streaming and VPN purposes, should also have its own security measures in place. It's important to ensure that both routers are properly secured to protect your network.
Here are a few recommended security measures for your secondary router:
1. Change the default administrator password: By default, routers come with a default username and password. It's crucial to change these to a unique...