pinyinhuo Posted April 18, 2017 Group: Members Topic Count: 23 Topics Per Day: 0.01 Content Count: 54 Reputation: 0 Joined: 12/26/12 Last Seen: April 30, 2017 Share Posted April 18, 2017 Hello, i just got my client 20131223, and i would like to use nemo so i could disable multiple logins or multiple windows. i am successful so far to patch my client, my concern is, is it possible that people cant able to patch my current client so that they cant able to enable multiple window? btw? If i use nemo, will it able to block maya purple hack and nodelay hack? Thanks! Quote Link to comment Share on other sites More sharing options...
0 Technoken Posted April 19, 2017 Group: Members Topic Count: 27 Topics Per Day: 0.01 Content Count: 505 Reputation: 126 Joined: 04/04/16 Last Seen: Yesterday at 10:11 AM Share Posted April 19, 2017 You can use grf encryption using grf tool and md5 client hash to prevent your client exe from being modified. about the maya purple hack you can switch this to no but it will screw the game animation. https://github.com/rathena/rathena/blob/master/conf/battle/client.conf#L185 Packet obfuscation also block packet spamming so this will help you avoid rpe and wpe. But still gameguard like Gepard Shield is the best option if you can spare some $. 2 Quote Link to comment Share on other sites More sharing options...
0 crazyarashi Posted April 18, 2017 Group: Developer Topic Count: 50 Topics Per Day: 0.02 Content Count: 763 Reputation: 227 Joined: 02/11/17 Last Seen: September 21, 2023 Share Posted April 18, 2017 (edited) Hi Good Day, Yes it is possible if they know the exact client you are using which is kinda hard. You won't be able to block WPE/Maya Purple hacks by just diffing it using NEMO. It's either you will use packet obsfuscation or you will get a gameguard to block all third party programs. but packet obsfuscation has limitations in blocking third party program. gameguard is the best solution since a gameguard can limit max clients you wont have to worry about players bypassing your no multiple log-ins and block all third party programs :))) Edited April 18, 2017 by crazyarashi Spelling and grammar fix 1 Quote Link to comment Share on other sites More sharing options...
0 Promise Posted April 19, 2017 Group: Members Topic Count: 34 Topics Per Day: 0.01 Content Count: 386 Reputation: 38 Joined: 04/28/13 Last Seen: March 22 Share Posted April 19, 2017 You can just hex your exe to change some reading files, like clientinfo.xml, ini file, etc. So if they re-patch the client, they wont be able to log-in to the server, unless they make same modifications to the .exe file. 1 Quote Link to comment Share on other sites More sharing options...
0 pinyinhuo Posted April 19, 2017 Group: Members Topic Count: 23 Topics Per Day: 0.01 Content Count: 54 Reputation: 0 Joined: 12/26/12 Last Seen: April 30, 2017 Author Share Posted April 19, 2017 Hello Everyone I appreciate your concern, i guess i have to secure my grf and learn about md5. Have a good one everyone ^^ Quote Link to comment Share on other sites More sharing options...
0 Emistry Posted May 2, 2017 Group: Forum Moderator Topic Count: 93 Topics Per Day: 0.02 Content Count: 10015 Reputation: 2348 Joined: 10/28/11 Last Seen: Monday at 06:22 AM Share Posted May 2, 2017 On 2017-4-19 at 7:11 AM, pinyinhuo said: is it possible that people cant able to patch my current client so that they cant able to enable multiple window? yes. conf/login_athena.conf#L155-L171 Quote Link to comment Share on other sites More sharing options...
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pinyinhuo
Hello, i just got my client 20131223, and i would like to use nemo so i could disable multiple logins or multiple windows.
i am successful so far to patch my client,
my concern is, is it possible that people cant able to patch my current client so that they cant able to enable multiple window?
btw? If i use nemo, will it able to block maya purple hack and nodelay hack? Thanks!
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