This short tutorial will explain how to edit the IP and RSA on a regular Tibia client to work with your own server as an "Custom Client". Before we start you need two IPs that points to your server's IP, one need to be exact 17 characters long and the other one 19 characters long. You can use shorter IPs aswell, but this requires you to add nulls for each letter you remove, using an HexEditor, but this is the easiest way to do this. For example: Code (Text): serv1.otrealm.com server1.otrealm.com You can either buy a domain and setup a subdomain yourself or you can use some free DNS providers. Free DNS/Subdomain providers: https://www.noip.com/ https://dyn.com/dns/ You can also buy a real domain from alot of providers, simply google for a registar if you want to buy one. Time to start with the tutorial Now when we got ourselves two domains/ips, we can start with editing Tibia.exe, using Notepad++. Download Notepad++ here. Now open Notepad++ and navigate to your Tibia.exe and open it with Notepad++. Time to search and replace the first IPs in Tibia.exe, press CTRL + F to search with Notepad++ and look for the IPs in the below. Code (Text): login01.tibia.com login02.tibia.com login03.tibia.com login04.tibia.com login05.tibia.com Replace all these IPs with the 17 character long domain/dns you created in the begining. Once you've replaced all the IPs above, its time to move to the next step. Now we are going to search and replace a few more IPs, but this time we are going to use the second domain/dns we created, the 19 character long one. Code (Text): tibia01.cipsoft.com tibia02.cipsoft.com tibia03.cipsoft.com tibia04.cipsoft.com tibia05.cipsoft.com Once you've replaced all the IPs above, its time to move to the next step. The last step, we need to change the RSA key on Tibia.exe Search for this: Code (Text): 132127743205872284062295099082293384952776326496165507967876361843343953435544496682053323833394351797728954155097012103928360786959821132214473291575712138800495033169914814069637740318278150290733684032524174782740134357629699062987023311132821016569775488792221429527047321331896351555606801473202394175817 Replace it with this: Code (Text): 109120132967399429278860960508995541528237502902798129123468757937266291492576446330739696001110603907230888610072655818825358503429057592827629436413108566029093628212635953836686562675849720620786279431090218017681061521755056710823876476444260558147179707119674283982419152118103759076030616683978566631413 The RSA Key is the encryption key for OTs, all IP Changers changes this key when you change IP with the program. Your client is now ready to be used with your server! Good luck. Troubleshooting If you do not change this, you won't be able to connect to a server. You will get the error message 'login server offline or server name does not exist'. If you get an error like this at start, you did something wrong, either you removed something or added something wrong. (Sorry for the error message in Swedish, but the error code is the same).