Actually Jetic is back and alive and well in the GameHaQs forums. ;) This is his latest post when someone questioned the IP address:Quote:
The answer is here
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Stop Bumping this garbage
There is No AUTH SERVER EMULATOR YET THE GUY WHO USED TO MAKE THEM QUIT.
ONLY WAY IS TO USE LOOP BACK OR BUY THE DAMN THING!
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an IP address in range 192.168.0.0 - 192.168.255.255 is a private ip address only for local use purpose. It is just connect to your own network, so it is safe.
Loopback method can work just because L2walker company or "someone" provide a verification server freely, so cheat the l2walker to verificate package to that free server but redirect send the game package to real game server.
Also, when doing verification, your password would not be send. so generally speaking, loopback method should be safe
on following condition:
1. Make sure redirect address for game package should only send to offical game server, not any server else
2. Make sure your tcptunnel software did not contain any harmful things.