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It seems that this ServerFault answer outlines how this can be achieved by connecting the router as a client and then creating a sub-interface to broadcast a different SSID.


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At least OpenSSH sets different TOS bits (0x16 for interactive sessions, 0x08 for bulk transfers), as discussed on quora. This can be easily exploited using rules that match those bits. It seems the highest matching QoS takes effect, make sure not to have a general rule for port 22/SSH around: OpenWRT by default ships a rule matching SSH and DNS together. ...


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It is a good practice to reboot the router so that new wireless changes can be applied to the wireless portion of the router. Alternatively, you can use: wifi down wifi up


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This is simple syntax error. You are entering the wrong commands and for the wrong reasons. Assuming your OpenWRT install has the required packages (block mount, filesystem kmod, etc.), your issues are: Step 5. You are trying to cd (change directory) into a device. /dev/sdc is a 'special file' (aka a device) not a directory. Step 9. You created /media/usb ...


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I'll guess that openwrt routers have a full blown iptables command. If so, then the question becomes as easy as parsing the iptables traffic counters. As an example, let's assume that I am keen on measuring traffic to the GoogleDNS server 8.8.8.8 on a vanilla server that has no iptables rules as seen below ❯❯❯ sudo iptables -n -L -xv Chain INPUT ...


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WANs are usually point-to-point connections. In this way, they are not going to assign two IP addresses to a router. Instead, a local LAN is configured for DMZ and externally connections are masked as if they were coming from/to the router IP. This forwarding is what is achieved for port 80 with the following lines of howto: # Make 192.168.2.2:80 publicly ...



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