Knight Online Duplicate Vulnerabilities and Item Dup Prevention Guide
What is Duplication?
Duplication is the process of players copying items or coins by using vulnerabilities in the game system.
This situation:
- It disrupts the server economy
- It collapses the market system
- Causes player loss
- Decreases server reliability
How Do Dup Deficits Occur?
Duplication vulnerabilities usually occur for the following reasons:
- Trade packet exploits
- SQL rollback problems
- Inventory synchronization errors
- Old GameServer files
- Faulty save system
Do Not Use Old Server Files
There are many known duplication vulnerabilities in older GameServer versions.
Therefore:
- Use up-to-date files
- Apply protection patches
- Follow exploit fix updates
Strengthen Trade Controls
Some dup openings are made through the trading system.
Check these out:
- Trade cancel exploits
- inventory overflow
- weight bug
- Warehouse synchronization
SQL Backup and Rollback System
Taking regular backups is important for data recovery in case of dup attacks.
Recommended:
- Hourly backup
- Automatic rollback points
- Log recording system
Set Up an Item Log System
Recording item movements is very important in dup detection.
Log the following:
- Trade transactions
- Warehouse transfers
- Drop moves
- GM item transactions
Firewall and Packet Protection
Some dup methods are done through packet manipulation.
Therefore:
- packet filter
- Anti-cheat systems
- Firewall protection
It is recommended to use.
Common Mistakes
- not taking backup
- Using old server files
- Not keeping a trade log
- Uncontrolled distribution of GM powers
Conclusion
To completely prevent duplicate vulnerabilities, up-to-date files, log systems and strong security measures should be used together.
This article is specially prepared for PvPServer.
