Login server

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Ultima Online

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The login server, or login.owo.com, is the server the Ultima Online client connects to when you attempt to log in to the game.

Encryption

The UO client uses an advanced encryption key (although it can be cracked) and the server needs to understand this encryption (and have the same seed) for the client and the server to be able to communicate with eachother. Freeshards are often known to use non-encrypted clients and changing servers Login.cfg-file to match their own loginservers. More advanced freeshard emulators can use the latest UO encryption.

Login options

The Login.cfg-file found in UOs root directory:

;Loginservers for Ultima Online
;Do not edit this file or patching will fail!  Always save a backup.
LoginServer=login.owo.com,7775
LoginServer=login.owo.com,7776

The numbers indicates what port the client will try connect to. These two entries from the latest UO client (5.0.4b) shows us that EA/OSI probably have two login servers running. That way they can easily update the login-software program by taking down the first, replacing it while the second program is still operating, then repeating the procedure with the first instance running the updated version.

See also

• Shard