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Client Side
Server Side
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Denial of Service
Buffer Overflow/Overrun
Stack Overflow/Overrun
Heap Overflow/Overrun
Àü¼Û´Ü ÀÚü¿¡¼ÀÇ °ø°Ý
Eavesdropping
Tampering
Spoofing
Hijacking
Capture/replay
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1 °³¿ä
from Algorithms and Networking for Computer Games
2 Client Side
3 Server Side
3.1 ¾ÇÀÇÀûÀÎ ÀÔ·Â
3.1.1 Denial of Service
Preventing Denial of Service Attacks
3.1.2 Buffer Overflow/Overrun
Buffer Overflow the Security Threat. What Is It?
3.1.3 Stack Overflow/Overrun
3.1.4 Heap Overflow/Overrun
3.2 Àü¼Û´Ü ÀÚü¿¡¼ÀÇ °ø°Ý
Àü¼Û´Ü ÀÚü¸¦ °Çµå¸®´Â ÀÏ Áß¿¡ °¡Àå ½±°Ô ¹ß»ýÇÒ ¼ö ÀÖ´Â ÀÏÀº ¾Æ¹«·¡µµ ethreal °°Àº µµ±¸¸¦ »ç¿ëÇØ¼, Æ®·¡ÇÈÀ» ĸÃÄÇÑ ´ÙÀ½, ±×°ÍÀ» ºÐ¼®ÇÏ´Â ÀÏÀÌ´Ù. ¾Ïȣȸ¦ ÀüÇô ÇÏÁö ¾ÊÀº °æ¿ì¶ó¸é, °èÁ¤/ÆÐ½º¿öµå °°Àº µ¥ÀÌÅ͵éÀÌ ¿ÏÀüÈ÷ ³ëÃâµÈ´Ù.
»ç½Ç Àü¼Û´Ü¿¡¼ ¹ß»ýÇÏ´Â °ø°ÝÀº ¾ÏÈ£È ¸»°í´Â ´Ù¸¥ ÇØ°áÃ¥ÀÌ ¾øÀ» µí ÇÏ´Ù. spoofingÀ» ÅëÇØ¼ Àü¼ÛµÈ µ¥ÀÌÅͰ¡ ¿Ã¹Ù¸¥ µ¥ÀÌÅͰ¡ ¾Æ´Ï¶ó´Â °ÍÀ» Àϰ³ ÇÁ·Î±×·¥ÀÌ ¾î¶»°Ô ¾Ë°Ú´Â°¡? (³»¿ë¿¡ ´ëÇÑ °ËÁõÀº µý À̾߱â´Ù.)
3.2.1 Eavesdropping
³×Æ®¿öÅ©¸¦ ¿À°¡´Â µ¥ÀÌÅ͸¦ ¸ð´ÏÅ͸µÇÏ´Â ÀÏÀ» ¸»ÇÑ´Ù. ´Ù¸¥ °ø°ÝÀÇ ÀüÃÊ ÀÛ¾÷ÀÌ µÈ´Ù°íµµ ÇÒ ¼ö ÀÖ´Ù. °·ÂÇÑ ¾Ïȣȸ¦ Çß´Ù°í ÇØµµ Ç®¸®´Â °æ¿ì°¡ ´õ·¯ ÀÖ´Ù.
3.2.2 Tampering
³×Æ®¿öÅ©¿¡¼ Àü¼ÛÁßÀÎ ÆÐŶÀ» Àâ¾Æ¼, ¼öÁ¤ÇÏ´Â ÀÏÀ» ¸»ÇÑ´Ù.
3.2.3 Spoofing
°¡Â¥ µ¥ÀÌÅÍ(À§Á¶µÈ µ¥ÀÌÅÍ)¸¦ »ý¼ºÇؼ ¼¹ö¿¡°Ô Àü¼ÛÇÏ´Â ÀÏÀ» ¸»ÇÑ´Ù. ¼¹ö´Â ÀÌ µ¥ÀÌÅͰ¡ ³×Æ®¿öÅ©¸¦ ÅëÇØ Àü¼ÛµÈ °Íó·³ ÀνÄÇÏ°Ô µÈ´Ù.
3.2.4 Hijacking
°ø°ÝÀÚ°¡ ³×Æ®¿öÅ© ½ºÆ®¸²À» ´Ù¸¥ ½ºÆ®¸²À¸·Î ´ëüÇÏ´Â ÀÏÀ» ¸»ÇÑ´Ù. ¿¹¸¦ µé¾î ¾î¶² »ç¶÷ÀÌ ÅÚ³ÝÀ» ÅëÇØ ÀÎÁõÀ» ³¡¸¶Ä£ »óŶó°í ÇÏÀÚ. ÀÌ »óÅ¿¡¼ °ø°ÝÀÚ°¡ Âü°¡ÇØ ¿ø·¡ Ŭ¶óÀÌ¾ðÆ®·ÎºÎÅÍ ¿À´Â µ¥ÀÌÅ͸¦ »èÁ¦Çϰí, ¼¹ö¿¡°Ô´Â ÀÚ½ÅÀÌ ¸¸µç µ¥ÀÌÅ͸¦ º¸³»´Â °ÍÀÌ´Ù. º¸Åë spoofing°ú ÇÔ²² ÀÌ·ç¾îÁø´Ù.
3.2.5 Capture/replay
ÀÏÁ¤·®ÀÇ ½ºÆ®¸² µ¥ÀÌÅ͸¦ ±â·ÏÇÑ ´ÙÀ½, ¶È°°Àº ³»¿ëÀ» ¼¹ö·Î °è¼Ó Àü¼ÛÇÏ´Â ÀÏÀ» ¸»ÇÑ´Ù.
4 ¸µÅ©
Gamasutra > How to Hurt the Hackers
The Scoop on Internet Cheating and How You Can Combat It
¿Â¶óÀÎ °ÔÀÓ¿¡¼ÀÇ ÇØÅ· ÆÐÅϰú ±×¿¡ ´ëÇÑ °£´ÜÇÑ ´ëÀÀÃ¥
5 ´Ù¿î·Îµå
Code Injection in C and C++: A Survey of Vulnerabilites and Countermeasures (PDF)
CategorySecurity
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