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Insignia doesn't explicitly support linux. They also don't seem to list the chipset used in the adapter in the downloadable documentation (bummer!). While it may not work, I wouldn't be surprised if they use the same chipset as startech. So try the drivers listed on their page version V1.14.4 for kernel 2.6.25 or newer. Post back how it goes.


The target "-j MARK --set-mark 2" will set the mark 2 on the packet, whatever the previous value was. If you want to avoid your mark to be erased, you can simply end the packet path in the chain with -j ACCEPT. For example : iptables -t mangle -A POSTROUTING -p tcp --dport 80 -j MARK --set-mark 10 iptables -t mangle -A POSTROUTING -p tcp --dport 80 -j ...


For a NAT to work properly both the packets from client to server and the packets from server to client must pass through the NAT. Note that the NAT table in iptables is only used for the first packet of a connection. Later packets related to the connection are processed using the internal mapping tables established when the first packet was translated. ...


It sounds like it enforces that the reverse traffic also flows through openwrt. By rewriting the source address that the webserver will see. If the webserver replied directly to the client, the source address for those packets would still be that of the webserver. But the client is trying to talk to the openwrt IP. Therefore the reply packets would be ...

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