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안녕하세요 늘보기만 하는 j 입니다

사용하는 서버에 아이피가 고정하나 사설하나 먹여놨는데

알수없는 아이피가 있는데 

아답터 ipv4에서도 없는데 알수없는 아이가 매핑이 되어 있습니다.

저아이의 정체를 알수있는 방법이 없을까요?ㅠ




제이장
ªÀº±Û Àϼö·Ï ½ÅÁßÇÏ°Ô.
DHCP ¼­¹ö¿¡¼­ IP¸¦ ¾ÈÁÖ´Â °æ¿ì 169·Î IP°¡ µé¾î°¡´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù.

·£¼± ¾È²ÈÈù °æ¿ìµµ ÀÖÀ» ¼ö ÀÖ°í, ²ÈÇû´Âµ¥ ½ºÀ§Ä¡°¡ ³ª°¬À» ¼öµµ ÀÖ°í

±¸±Û¿¡¼­ 169.254 ip·Î °Ë»öÇÏ¸é ´Ù¼ö º¼ ¼ö ÀÖ´Â Çö»óÀÔ´Ï´Ù
     
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Àú ¾ÆÀÌÇǸ¦ ÇÒ´çµµ ¾ÈÇÏ°í tcp v4¿¡µµ ¾ø°í dhcpµµ ¾È¾²´Âµ¥Àú·¸°Ô ÇÒ´çµÇ´Â°Íµµ µÇ´Â°Å±º¿ä ¤Ì óÀ½º¸´Â°Å¶ó ¹®Àǵå·È¾î¿ä
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¾ÆÀÌÇǸ¦ ¸ø°®°í¿À¸é ±âº»ÀûÀ¸·Î ºÎ¿©µÇ´Â MSÀ©µµ¿ì ±âº» ¾ÆÀÌÇÇÀÔ´Ï´Ù. ±×·±µ¥ ¾ÆÀÌÇÇ Ãæµ¹³ªµµ MSÀ©µµ¿ì ±âº» ¾ÆÀÌÇÇ°¡ ÀâÈü´Ï´Ù.
OS¿¡¼­´Â ¼³Á¤°ªÀÌ Àß º¸ÀÌÁö¸¸ ½ÇÁ¦ ¾ÆÀÌÇÇ°¡ Ãæµ¹³ª¸é 169·Î ½ÃÀÛÇÏ´Â ¾ÆÀÌÇÇ°¡ ¿ì¼±ÀûÀ¸·Î ¸ÅÇÎÇÏ°Ô µÇ¾î ÀÖ½À´Ï´Ù.
MSCS Ŭ·¯½ºÅÍ ¼³Á¤¿¡µµ 169·Î ½ÃÀÛÇÏ´Â ±âº»¾ÆÀÌÇÇ°¡ ÀâÈ÷±âµµ ÇÕ´Ï´Ù.
·¹Áö½ºÆ®¸®¿¡¼­ »èÁ¦ÇÏ°í ¶Ç Àú°Ô ¹ß»ýÇÏ¸é ¾îµð¼±°¡ Ãæµ¹ÇÏ°í ÀÖ´Ù°í º¼¼ö ÀÖ½À´Ï´Ù.
Device °£¿¡ Åë½Å Çϱâ À§ÇÑ ±âº» ÁÖ¼ÒÀÌÁÒ.
À¯Àú°¡ ¾Æ¹«°Íµµ ÁÖÁö ¾Ê¾ÒÀ» ¶§ ±âº»À¸·Î µ¹¸®´Â IP ÁÖ¼Ò ÀÔ´Ï´Ù.
À©µµ¿ì¿¡ DHCP·Î ¼³Á¤ ÇØ ³õ°í Lan ¼±À» ²ÈÁö ¾ÊÀ¸¸é..
´çÀåÀº 169.254.0.xx ·Î µ¹¾Æ °©´Ï´Ù.

127.0.0.1 µµ ÀÖ¾î¿ä.. À̰͵µ ÀÚ±â ÀڽŠÀÔ´Ï´Ù.
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apipaÇØÁ¦ÇÏ°í ÀçºÎÆú¸°ÚÀ½´Ù ¤¾¤¾
DHCP¸¦ ÅëÇØ ³×Æ®¿öÅ© ¾ÆÀÌÇǸ¦ °¡Á®¿À·Á°í Çصµ ¾ÆÀÌÇÇ°¡ ÀÖ¾î¾ß Åë½ÅÀÌ °¡´ÉÇÏ´Ï
DHCPÀ» À§ÇØ ÇÒ´çµÈ ¾ÆÀÌÇÇ ´ë¿ªÀÔ´Ï´Ù.


169.254.0.0/16 (169.254.0.0 – 169.254.255.255)
These addresses are ¡°link local,¡± which means packets with these addresses are sent out to the network, but should never be forwarded to other parts of the network. You¡¯ll often see addresses from this range if a device is unable to get an address using DHCP. Then it simply takes an address from this range and uses it to try to at least communicate locally.

AWS (Amazon Web Services) hosts have an interesting use for link local addresses. They use 169.254.169.254 for a special web server that exists on every EC2 segment and contains locally relevant information about the instance: https://169.254.169.254/latest/meta-data/

Microsoft Azure allows the use of the same address, but it defines a unique global public address— 168.63.129.16—for the same purpose. It¡¯s important to note that this address is actually a registered address owned by Microsoft. It should be considered an anycast address rather than a link local address.

If you put a sniffer on just about any network segment, you¡¯ll often see 169.254.xx addresses in ARP queries. As mentioned above, when a device fails to get an address using DHCP, it can instead use a link local address to communicate with other devices on the same network. But these addresses still have to be unique—they use ARP queries to determine whether the address that they want to use is already in use. So if you see a lot of these packets on your network, it probably means that you have problems with your DHCP servers.
https://www.auvik.com/franklyit/blog/special-ip-address-ranges/#h2-1


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