As many others may know, it is impossible to configure external transparent proxy to work on same LAN with zeroshell. I’ve tried many different configurations on with iptables, but I didn’t get any of them to work. Some others on this forum are tried also get it to work, but without any lucky. 👿
This missing feature is the only bad thing on zeroshell IMO. I hope to see this feature in the future on Zeroshell.