MapleStory Private Server Wiki
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In a MapleStory private server development context, a localhost is a MapleStory game client reverse engineered to have the IP Address of the server it connects to easily editable.

Methods include displaying the IP Address as an ASCII string when opened in a Hex editor, which can then be easily changed by typing the IP of your choice and saving it.

As the name suggest, localhost refers to hosting the server locally, so you can edit the localhost to connect to your computer instead of the main MapleStory server. Then, you'll be able send to and receive information from the game client freely, thus manipulating the way it works to your liking.

A game client with the IP it connects to displayed as an ASCII string in a Hex editor

Converting the game client to a localhost[]

In order to edit the game client to connect to a specified IP, you'll need to learn reverse engineering, since it is impossible to decompile the game client (coded in C++) to easily readable source code, then change the IP constant and compile it again.

Reverse engineering the game client is difficult for beginner reversers since the game clients are protected by protectors such as Themida, which is constantly updated.

There is also the additional need to remove anti-hack systems such as HackShield and GameGuard, which hampers the connection to your server.

Furthermore, there are IP checks in place which causes the simple change of the IP constant to yield undesired results, such as closing the client.

This is the reason why available localhosts are usually versions short of the most current MapleStory game client.

Publicly available localhost versions[]

GMS

  • 40 BETA
  • 3
  • 8
  • 12
  • 22
  • 28
  • 38
  • 40
  • 51
  • 54 ~ 62
  • 75
  • 83
  • 88
  • 90
  • 97.3
  • 101
  • 102
  • 103
  • 104
  • 106
  • 111
  • 118.3

MapleSEA

  • 82
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