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ÇÁ·ÎÅäÄÝ ICMP
ºÐ·ù Protocol
»ó¼¼¼³¸í ÇØ´ç È£½ºÆ®´Â ICMP timestamp ¿äû¿¡ ÀÀ´äÇϸç ÀÚ½ÅÀÇ timestamp¸¦ º¸³»ÁØ´Ù. À̰ÍÀº °ø°ÝÀÚ°¡ ÇØ´ç È£½ºÆ®¿¡ ¼³Á¤µÈ ³¯Â¥ Á¤º¸¸¦ ¾Ë ¼ö ÀÖµµ·Ï ÇØ ÁØ´Ù.
¸ñÇ¥ ½Ã½ºÅÛÀÇ ½Ã°£ ¼³Á¤ »óŸ¦ Á¤È®ÇÏ°Ô ¾Ë¾Æ³¿À¸·Î½á ±× °ø°ÝÀÚ´Â ½Ã°£ ±â¹Ý (time-based)ÀÇ ÀÇ»ç ³­¼ö(pseudorandom number) »ý¼º±âµé (PRNGs)°ú ±×¿¡ ÀÇÁ¸ÇÏ´Â ÀÎÁõ ½Ã½ºÅÛµéÀ» Á» ´õ È¿°úÀûÀ¸·Î °ø°ÝÇÒ ¼ö ÀÖ´Ù.

* Âü°í »çÀÌÆ®:
http://www.iss.net/security_center/static/322.php

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
Microsoft Windows Any version
Linux Any version
Unix Any version
ÇØ°áÃ¥ ÀÎÀÔ(incoming) ICMP timestamp ¿äû(13)µé°ú ¼ÛÃâ(outgoing) ICMP timestamp ÀÀ´ä(14)µéÀÌ Â÷´ÜµÉ ¼ö ÀÖµµ·Ï ¹æÈ­º®°ú ÇÊÅ͸µ ¶ó¿ìÅ͸¦ Àç¼³Á¤ÇÏ¿©¾ß ÇÑ´Ù.
°ü·Ã URL CVE-1999-0524 (CVE)
°ü·Ã URL (SecurityFocus)
°ü·Ã URL (ISS)