[OpenWrt-Devel] Protecting a vulnerable host behind an OpenWRt device

[Enrico Mioso]

Hello guys!

I am happily using an TP-LINK MR6400 to browse the Internet. It uses a "self-managed" LTE modem to connect, so there is a double nat:
- the one done by the OpenWRt device
- the other done by LTE module

the LTE module runs old software and probably won't get updated as frequently. I would need a way to let the OpenWRt device continue to talk to it, but stop anything from the outside doing so.
I did my attempt with the firewall and they seemed to work right. But wanted an opinion from you guys!

thank you very very much!

Enrico


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