You only need to edit one thing to make your server hamachi/public, that is the realm logon, not the logonserver address or allowed IP's or any other rubbish.
Just edit this inside your realms config and set everything else back to default and it will work.
Code:
/***********************************************************************
* ArcEmu Realms Configuration File
* Last edited: 7/18/09
*
* Configure ArcEmu's Realms below
***********************************************************************/
/******************************************************
* LogonServer Section
*
* Address:
* The address (no port) of the server.
*
* Port:
* The port on which the logon server listens. (*** NOT 3724 ***)
*
* Name:
* Not really relavant, but name the logon.
*
* RealmCount:
* The number of realms in the next section.
*
******************************************************/
<LogonServer Address = "127.0.0.1"
Port = "8093"
Name = "Default Logon"
RealmCount = "1">
/******************************************************
* Realm Section
*
* Name:
* The name of the realm.
*
* Address:
* The address (and port) of that realm.
*
* Icon:
* The type of realm (PVP, Normal, RPPVP, RP)
*
* TimeZone:
* The location of the server (1=Development, 2=United States, 3=Oceanic, 4=Latin America,
* 5=Tournament, 6=Korean, 8=English, 9=German, 10=French)
*
* Population:
* (0 = low, 1 = medium, 2 = high)
*
* Important information below
*
* change 127.0.0.1 to your EXTERNAL ip if you wish to have a PUBLIC server.
* This issues come up a lot!
*
* Timezone values :
* 0=Korean 16=China
* 1=Development 17=CN1
* 2=United States 18=CN2
* 3=Oceanic 19=CN3
* 4=Latin America 20=CN4
* 5=Tournament 21=CN5
* 6=Korean 22=CN6
* 8=English 23=CN7
* 9=German 24=CN8
* 10=French 25=Tournament
* 11=Spanish 26=Test Server
* 12=Russian 27=Tournament
* 13=Tournament 28=QA Server
* 14=Taiwan 29=CN9
* 15=Tournament 30=TestServer2
******************************************************/
<Realm1 Name = "Development"
Address = "HamachiIP:8129"
Icon = "Normal"
Population = "1.0"
TimeZone = "1">