Ok, so whatever port your private loginserver is listening on, (usually 5998 )
That listening port has nothing to do with client versions. See below login.ini
Code:
listen_port = 5998 (this port needs to be listening to all connections)
local_network = 127.0.0. (whatever IP)
auto_create_accounts = TRUE
[security]
plugin = EQEmuAuthCrypto
mode = 5
[Titanium]
port = 5998
opcodes = login_opcodes.conf
[SoD]
port = 5999
opcodes = login_opcodes_sod.conf