yeah, forgot to mention, using localhost on clientinfo.xml I can get to the world list, but when I click it, it says "Failed to connect to server".
On the server log, only this appears:
[Status]: Request for connection of Test (ip: 127.0.0.1).
[Notice]: Authentication accepted (account: Nosense, id: 2000000, ip: 127.0.0.1)
[Status]: Connection of the account 'Test' accepted.
[Info]: Closed connection from '127.0.0.1'.
by using the same clientinfo.xml that other people will use, I can't even see the world list.
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[EDIT]
Got it solved. Thanks for trying to help, LuLu!
All I needed to do was to add a localhost subnet in the 'subnet_athena.conf' after the LAN subnet:
subnet: 255.255.255.0:192.168.1.2:192.168.1.2
subnet: 255.0.0.0:127.0.0.1:127.0.0.1
Nosense's post in [SOLVED] Others CAN connect to my server, but I CAN'T was marked as the answer