Tagged Questions

An area concerned with protecting hardware or software against theft or malicious or accidental behavior - often by brought on external parties - that would damage or corrupt the hardware or software.

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-1
votes
2answers
53 views

Protecting tilesets [duplicate]

I have a game and my tilesheets are placed in the images/ folder. If a user edits the tilesets, they can make them transparent (I use white as my transparent color on them) and in game basically ...
1
vote
0answers
40 views

Ensure packet owner from connection is the authentic user [duplicate]

In a multiplayer game, how can you be sure that the IP from a packet is the real IP? By spoofing I could send, for example, a "suicide packet" which tells the server that the owner of said packet ...
3
votes
1answer
151 views

game mod security question

So I'm in the process of building a game in C++ for the engine and Python for behavior and moddability. One of the planned major features is that when the game client connects to a game server with ...
0
votes
2answers
123 views

What are the security implications of this method of tracking countdowns?

Consider a multiplayer (client/server) game where you initiate the construction of some building. Let's assume construction will complete after 60 minutes. My plan for dealing with this information ...
3
votes
1answer
110 views

Obfuscating Monogame assets

I'm obfuscating spritesheets. I've already encrypted the .txt file dictionaries. Now I'd like to perform binary serialization on the image files. Texture2D does not allow for this though, probably ...
-1
votes
1answer
403 views

Distributed Multiplayer Game Server Architecture [closed]

I'm programming a multiplayer game for mobile phones.I'm working on a distributed server architecture for handling lots of concurrent players. Here is my architecture on my mind: Some questions ...
0
votes
2answers
167 views

MMORPG design question: Storing a tile map on the client computer, security concerns [closed]

in my game the client logs in and receives a map made of tiles (they differ in height and terrain type) from the server. I'm storing these tiles in a SQLite database on the client. The next time the ...
0
votes
1answer
89 views

Console vulnerabilities in javascript-based game [closed]

Been toying around with a basic browser-based game for a while now, and getting deep into the vulnerabilities of client-side script. I know enough to understand that no client-side script is ever ...
1
vote
3answers
170 views

Algorithm for securing a retro password system

For a game I am working on, one of the build targets is the Unity Webplayer, which does not support saving file I/O at all. However, as it's an action/adventure game based on Zelda 2: The Adventure ...
0
votes
3answers
119 views

Securing game plugins / mods for java

I am looking into using Java to write a game core, then writing the game logic separate either in Java, or using something like Python. This way I open up the ability for any future users to modify ...
-2
votes
1answer
152 views

How to secure Pacman game for making it fool-proof enough to keep hackers away? [closed]

We have made an online game very similar to Pacman. The idea is to award top scorers with various incentives and prizes. But at the end of the day, we need to keep hackers at bay so that our game app ...
4
votes
2answers
183 views

What's the current preferred method for serving/storing game data on html5 games

Given all the recent improvements on web platform (webgl, websockets, etc.), it should be now possible to see great games on web. However my biggest concern so far has been around serving and storing ...
5
votes
3answers
249 views

How can a web game store points online without giving the user the possibility to do the same call but with more points? [duplicate]

Imagine I have an HTML5 web game where the user can get points by doing certain activities. The game can be played offline, so there's not necessarily a live internet connection (note: this makes this ...
2
votes
1answer
360 views

Are frequent game updates a solution for preventing multiplayer cheating?

I'm creating a game on Android where the enforcement of rules can only take place on client side (I can't shift it to server side...think aimbotting but in my case I wouldn't even be able to use ...
5
votes
1answer
370 views

P2P card game: Shuffling without knowing the final order?

So, I am conceptualizing a P2P trading card game. The issue is the network: knowing the identity of a card is giving a major advantage, so both clients need enough information about a card that they ...
2
votes
1answer
142 views

How far should I go in securing Groovy mod scripts?

I am developing a game in java and plan to embed the Groovy script engine to allow for more robust modding options. This comes at a price, of course. Groovy can access anything java can by default, ...
1
vote
3answers
466 views

How to prevent attackers from compromising multiplayer game servers?

Consider a relatively small multiplayer game server, written by an individual or a small company. Some malicious user wants to boost their character stats by a factor of 100. What paths of attack ...
5
votes
3answers
316 views

How to make sure user is running the newest version of mmo client?

In typical mmorpg game, you have a launcher and a client. You first run the launcher to update the client, then you run the client. In every mmo I tried if you run a client without updating first (if ...
1
vote
1answer
217 views

Windows Phone XNA guarding storage data

For a typical windows phone game where storage files could contain high scores or in-game currency data, how does one go about protecting these files from user tampering?
0
votes
1answer
121 views

Would a custom mod built for RakNet be automatically usable with Unity?

Context: I'm interesting in developing a security module for servers that handle mobile games, and I'd like it to be usable by the most people possible. So I'm trying to decide what server software I ...
2
votes
3answers
628 views

Sending high scores to a web server in an open source game

I've never dealt with sending/receiving data from web servers in my games, so I absolutely have no idea how to do this. I tried googling for a good solution but couldn't find anything satisfying. I ...
23
votes
3answers
2k views

How do I protect my game with CD key / serial number?

So I've decided I want to keep pirated copies of my XNA game from accessing official game servers (which are moderated, so people who paid for the game will get the best experience) by disconnecting ...
14
votes
2answers
2k views

How should multiplayer games handle authentication?

I've been lurking around to understand how an authentication system would work in games, but after many searches, it seems that working with ssl/certificates could be a little complicated for just a ...
21
votes
9answers
1k views

Techniques to prevent non-official clients in network gaming?

In multi-player network games, what techniques exist to try to ensure that users are connecting with the official client application, and not some hacked client app? I realise there is probably no ...
1
vote
4answers
210 views

Protecting the integrity of a game state while minimizing amount of data sent

I'm developing a multiplayer game in PHP/jQuery, and naturally have to be wary of any sort of data coming from the client. At present, I have tables of data representing the map (2D roguelike), ...
7
votes
5answers
2k views

How do I protect sending scores from HTML5 games to my server

On backend I am using java. I have a game in HTML5; when user completes it I sends an Ajax call to save the score to database. Now, someone can easily use tools like Fiddler and firebug to modify this ...
23
votes
6answers
4k views

Anti-cheat Javascript for browser/HTML5 game

I'm planning on venturing on making a single player action rpg in js/html5, and I'd like to prevent cheating. I don't need 100% protection, since it's not going to be a multiplayer game, but I want ...
3
votes
3answers
1k views

Prevent Multiplayer Cheating

I am almost complete developing a small indie-style multiplayer game. While I intend to allow people to cheat in single-player, this is obviously not acceptable in multi-player. Does anyone know of ...
8
votes
4answers
264 views

Is there any way to verify the GPS location data received from client?

The answer to this question may be "NO" but it's quite important so I think I might as well ask. This should be a problem for all client-server location-aware games where player locations in the ...
4
votes
2answers
410 views

game multiplayer service development

I'm currently working on a multiplayer game. I've looked at a number of multiplayer services(player.io, playphone, gamespy, and others) but nothing really hits the mark. They are missing features, ...
2
votes
2answers
748 views

How to implement physics and AoE spells in an MMO game?

I'm making a game which will be completely centered around PVP battlegrounds and arenas. Think something like WoW, but with the RPG part removed. There will just be a lobby, where you can join a ...
10
votes
3answers
1k views

Is knowledge of hacking mechanisms required for an MMO?

Say I was planning on, in the future (not now! There is alot I need to learn first) looking to participating in a group project that was going to make a massively multiplayer online game (mmo), and my ...
9
votes
2answers
1k views

Authentication for a multiplayer game via sockets

I'm implementing a custom binary protocol for a new multiplayer game I'm working on. Its a turn-based strategy game so timing doesn't really matter. I've currently got the basic data sync portion of ...
10
votes
6answers
4k views

How to fight against memory editing cheat software?

What is the best way to protect run-time memory from such software? We just published an online game (written on AS3, Flash, published on a social network), and pretty much all of the players got ...
18
votes
4answers
3k views

How can I protect my save data from casual hacking?

What options are there for saving game data in a secure manner? I'm interested in solutions specifically tailored for C++. I'm looking for something that is fast and easy to use. I'm only concerned ...
0
votes
4answers
461 views

Implementing cheat safe loot algorithm at clientside

I am developing a "city building" type of browser based flash/flex game. I was checking some of the implementation of existing one of the popular games in facebook using decompilers. I noticed they ...
3
votes
2answers
269 views

What can be done to recover from an exploit-related PR disaster?

Let say company x makes massively multiplayer online strategy games. The game y is updated adding a feature z, but developers forgot to add server-side verification or it was bypassed (using ...
1
vote
1answer
569 views

Securing a TCP connection on iOS for an MMO

I am currently building an iOS MMO and I'm leaning towards using TCP as my networking protocol over the higher level HTTP (for the speed difference and the fact that it does not require the client to ...
9
votes
3answers
723 views

How do I prevent identity spoofing in a multiplayer game?

I'm thinking about clients spoofing IP addresses, tricking other clients that they are the server; that sort of stuff. (I don't know much about this, so if this is completely wrong, please correct ...
6
votes
2answers
566 views

Using the DTLS protocol for multiplayer games

I am considering using the DTLS protocol for my online multiplayer game. For those who don't know, it is essentially a port of TLS to UDP datagrams. According to this paper, the main overhead of the ...
4
votes
2answers
480 views

Secure login for a game that is open source

I am making a game which i will be open sourcing. Its a simple arcade like game but requires a network connection because it is meant to be played with other people. The thing i am worrying about is ...
3
votes
2answers
315 views

Best way to verify client files are same as server

In a client server game architecture, what are the possible ways to verify that the client has not modified things like gfx assets or client side scripts? Obviously no solution is perfect, but I ...
4
votes
2answers
384 views

Success checks for client-side javascript mini-game embedded within a server-side browser game

Disclaimer: I know that client-side is always to be held with suspicion, but I'm trying to conceive of a way to verify the success or failure of javascript-based mini-games. Mini-games to add fun to ...
3
votes
2answers
676 views

Peer-to-peer first person shooter

I've been developing a first person shooter/massive multiplayer online roleplaying game for my small business, and was wondering if it would be feasible to use peer-to-peer technology to communicate ...
1
vote
0answers
317 views

How can I secure a high score table? [duplicate]

Possible Duplicate: How can I prevent cheating on global highscore tables? So, I create a game in Flash and I want to keep a hi-score table for people to compete in. After a player has ...
3
votes
3answers
751 views

Required Security Precautions for Flash / AS3 Multiplayer Game

I have created a couple of games in Flash/AS3 and am playing with programming a flash-based multiplayer (possibly mmo?) game where the application will communicate with a server over a socket ...
14
votes
4answers
629 views

How to protect your real time online shooter from potential bots

I'm looking to create a multiplayer top down shooter. While I've read about different topics, I can see them I've got some real challenges ahead, but I'm all up for it. One thing I can't understand ...
3
votes
3answers
2k views

How should I configure firewall for online game server?

I'm complete newbie on game server work. As I know, online (massively multiplay) game server should keep some TCP or UDP connection from the user. As I (=newbie) guess, maybe huge count of socket port ...
6
votes
5answers
479 views

What are the pros and cons of non-unique display names?

I know of at least big title game (Starcraft II) that doesn't require unique display names, so it would seem like it can work in at least some circumstance. Under what situations does allowing ...
5
votes
3answers
664 views

Save Security with MD5 Hash

I'm working on a flash game that saves your progress locally. These saves can easily be hacked. My solution is to add an md5 hash of all the variables saved into the save file itself. When loading the ...