Qnewbie

回復 3# mrandrewchan

Basically, you add a rule "Drop all others" would work.

1. /ip firewall filter add chain=input action=drop in-interface=YOUR_WAN_INTERFACE

複製代碼

Note: This rule MUST be the last rule. I "brick" the router once by moving this rule to the top in mistake and have to do the HARD-RESET

Qnewbie

回復 6# wochinaren123


    I think the "back-door" theory for Huawei(more?) is just what the States has been done to other countries and assumes that others do the same. As well inspected by security personnel and the final report for hearing is just "risk" for back-door.

Need real example?
http://en.wikipedia.org/wiki/Stuxnet

Even further, how could you prevent attack initiated by hardware? As most ICs are manufactured in States