On an Archer C50, how Can I Stop Some of the Devices from Connecting to the Admin Page?
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I have a home network setup as follows:
The Archer C50 is my primary router, so to speak: It connects to the internet line provided by my ISP, and besides its WiFi network, it also connects to two other devices through LAN cables: One of the devices is a PC, the other is another router (not by TP-LINK). This other router receives the signal through the WAN port and then creates an entirely separate WiFi network. I have set up the routers so that the Archer C50 is at 192.168.0.1. and the secondary router at 192.168.1.1.
As expected, the PC computer (connected to the Archer C50 via a LAN cable) can access the Archer admin page but not the secondary router admin page. However, what troubles me is that devices connected to the WiFi network of the secondary router can access, besides the admin page of this router, also the Archer C50.
It puzzles me because I distinctly recall an earlier point in time, soon after I'd set up the networks, that this wasn't possible. I'm not sure what setting I've fumbled with, I've tried going through everything, but I just can't find what I need to do to so that devices connected to the secondary router cannot access the Archer C50 admin page.
Could someone help me?
There's no other mechanism than that you already found in System Tools => Administrator settings (this location depends on your FW release).
Since the C50 is the default gateway for your secondary router (on its WAN Interface) you can't restrict its clients to access C50 web management interface.
If you want to restrict local management access of C50 you can do that from here:
Thus only the device with the MAC address configured can make administrative changes to the C50.
There's no other mechanism than that you already found in System Tools => Administrator settings (this location depends on your FW release).
Since the C50 is the default gateway for your secondary router (on its WAN Interface) you can't restrict its clients to access C50 web management interface.