{"id":607,"date":"2008-08-06T08:18:04","date_gmt":"2008-08-06T08:18:04","guid":{"rendered":"http:\/\/pchero21.com\/?p=607"},"modified":"2008-08-06T08:18:04","modified_gmt":"2008-08-06T08:18:04","slug":"nmap-%ec%82%ac%ec%9a%a9%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/pchero21.com\/?p=607","title":{"rendered":"Nmap \uc0ac\uc6a9\ud558\uae30"},"content":{"rendered":"

<\/p>\n

 * Nmap \uc0ac\uc6a9\ud558\uae30<\/p>\n

<\/div>\n

 * \ub2f9\uc2e0\uc740 Nmap\uc744 \ub124\ud2b8\uc6cd\uc5d0 \uce68\uc785\ud558\ub294 \ub3c4\uad6c\ub85c \uc0dd\uac01\ud560 \uc9c0\ub3c4 \ubaa8\ub978\ub2e4. \ucc98\uc74c\uc5d0 Nmap\uc774 \ub098\uc654\uc744 \ub54c\ub294, \uc774 \ud234\uc740 \ud574\ud0b9 \ud234\ub85c \uc0ac\uc6a9\ub410\uc9c0\ub9cc, \uace7 IT \uc804\ubb38\uac00\ub3c4 \uc774 \ud234\uc744 \uc0ac\uc6a9\ud558\uae30 \uc2dc\uc791\ud588\ub2e4. \uc65c\ub0d0\ud558\uba74,  \uc774 \ud234\uc740 \ub124\ud2b8\uc6cd\uc5d0 \ub300\ud55c \ud6cc\ub96d\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud574 \uc8fc\uae30 \ub54c\ubb38\uc774\ub2e4. IT\uc804\ubb38\uac00\uac00 \uc774\ud234\uc744 \uc0ac\uc6a9\ud574\uc11c \ud560 \uc218 \uc788\ub294 \uc77c\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n

 – \uc790\uc2e0\uc758 \ub124\ud2b8\uc6cc\ud06c \uac10\uc0ac(audit) : \uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc0ac\uc6a9\ud558\uba74, \uc548\uc804\ud558\uc9c0 \ubabb\ud55c \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\ub294 \ud638\uc2a4\ud2b8\ub97c \ube60\ub974\uac8c \ucc3e\uc544\ub0bc \uc218 \uc788\ub2e4.
 – \ubc29\ud654\ubcbd \uc124\uc815 \ud14c\uc2a4\ud2b8 : Nmap\uc744 \uc0ac\uc6a9\ud558\uba74 \ubc29\ud654\ubcbd\uc774 \ud2b9\uc815 \ud3ec\ud2b8\ub4e4\uc744 \uc798 \ub9c9\uace0 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud560 \uc218 \uc788\ub2e4.
 – \uc218\uc0c1\ud55c \uc6d0\uaca9\uc9c0 \uc2dc\uc2a4\ud15c \ud30c\uc545 : \ube44\ub85d \ub2f9\uc2e0\uc744 \uc2a4\uce90\ub2dd\ud55c \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud574 \uc5ed\uc73c\ub85c \ud3ec\ud2b8 \uc2a4\uce94\uc744 \ud558\ub294 \uac83\uc774 \ubc14\ub78c\uc9c1\ud55c \uac83\uc740 \uc544\ub2c8\uc9c0\ub9cc, \uc774\uac83\uc744 \ud568\uc73c\ub85c\uc368 \ub204\uac00 \ub2f9\uc2e0\uc758 \uc2dc\uc2a4\ud15c\uc5d0 \uce68\uc785\ud558\ub824\ub294\uc9c0\ub97c \ube60\ub974\uac8c \uc54c \uc218 \uc788\ub2e4.
 – \ub77c\uc6b0\ud130\uc640 \uc2a4\uc704\uce58 \uc124\uc815 \uac80\uc0ac : TCP\/IP \uc5d0\ub294 \ud558\ub098\uc758 echo \uc694\uccad\uc744 \ubcf4\ub0b4\uc11c, \ubaa8\ub4e0 \ud638\uc2a4\ud2b8\uac00 \uadf8\uac83\uc5d0 \uc751\ub2f5\ud558\uac8c \ud558\ub294 \ub0b4\uc7a5 \uae30\ub2a5\uc774 \uc788\ub2e4. \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uba74 \ubaa8\ub4e0 \ud638\uc2a4\ud2b8\uac00 \uae30\ubcf8 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub294\uc9c0\ub97c \ud14c\uc2a4\ud2b8 \ud560 \uc218\ub294 \uc788\uc9c0\ub9cc, \uc545\uc758\uc758 \uc0ac\uc6a9\uc790\uac00 \uc774\uac83\uc744 \uc545\uc6a9\ud560 \uc218 \uc788\ub2e4. \uc545\uc758\uc801\uc778 \uc0ac\uc6a9\uc790\ub294 \uc5ec\ub7ec \ud234\uc744 \uc0ac\uc6a9\ud574\uc11c \ub2f9\uc2e0\uc758 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ub2e4\ub978 \ub124\ud2b8\uc6cc\ud06c\ub85c \uacf5\uaca9\ud558\uac8c \ud560 \uc218 \uc788\ub2e4.<\/p>\n

 \uadf8\ub7ec\ub2c8\uae4c \ub204\uad70\uac00\uac00 Nmap\uc744 \uc0ac\uc6a9\ud574\uc11c \ub2f9\uc2e0\uc758 \uc2dc\uc2a4\ud15c\uc744 \uc2a4\uce94\ud560 \uc218\ub3c4 \uc788\ub2e4.
 \uadf8\ub807\uc9c0\ub9cc \uc774 \ud234\uc744 \uc798\ub9cc \uc774\uc6a9\ud558\uba74 \ub2f9\uc2e0\uc758 \ub124\ud2b8\uc6cc\ud06c\ub97c \ubcf4\ud638\ud558\ub294\ub370 \ud070 \ub3c4\uc6c0\uc774 \ub41c\ub2e4.<\/p>\n

 * Nmap\uc740 \ub2e8\uc9c0 \ud3ec\ud2b8 \uc2a4\uce90\ub108\uc77c\uae4c?<\/p>\n

 Nmap\uc740 \ubcf8\uc9c8\uc801\uc73c\ub85c GSS(Gnome Service Scan)\uc640 \uac19\uc740 \ud638\uc2a4\ud2b8 \uc2a4\uce90\ub108\uc774\ub2e4. \uadf8\ub807\uc9c0\ub9cc \uc0ac\ub78c\ub4e4\uc774 Unix \uae30\ubc18\uc758 \uc2a4\uce90\ub108 \uc911\uc5d0\uc11c \uc774 \ud234\uc744 \uac00\uc7a5 \ub9ce\uc774 \uc4f0\ub294 \uc774\uc720\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubd80\uac00 \uae30\ub2a5\uc774 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

 – \ube60\ub978 \ud551(ping) \ubc0f \ud3ec\ud2b8 \uc2a4\uce94 \uae30\ub2a5 : \ub2f9\uc2e0\uc740 \uc2dc\uc2a4\ud15c\uc774 \uc0b4\uc544\uc788\ub294\uc9c0 \uc5ec\ubd80\uc640 \uc5b4\ub5a4 \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\ub294\uc9c0\ub97c \uc54c \uc218 \uc788\ub2e4.
 – \uc6b4\uc601\uccb4\uc81c \ud551\uac70\ud504\ub9b0\ud305(fingerprinting) : Nmap\uc740 \uc790\uc2e0\uc774 \uc2a4\uce94\ud558\ub294 \ud638\uc2a4\ud2b8\uc758 \uc6b4\uc601 \uccb4\uc81c\ub97c \ucd94\uce21\ud558\ub294 \uae30\ub2a5\uc774 \uc788\ub2e4. \uc774\uac83\uc740 \ube44\ub85d \ucd94\uce21\uc774\uae34 \ud558\uc9c0\ub9cc, \ub9ce\uc740 \uc815\ubcf4\uc5d0 \uae30\ubc18\uc744 \ub454 \ucd94\uce21\uc774\ubbc0\ub85c \ub9e4\uc6b0 \uc815\ud655\ud558\ub2e4. \uc65c\ub0d0\ud558\uba74, Nmap\uc740 \uc218 \ub9ce\uc740 \uc6b4\uc601\uccb4\uc81c\uc5d0\uc11c \ubf51\uc544\ub0b8 TCP, UDP, IP \uc751\ub2f5 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uac16\uace0 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. Nmap\uc740 \uc6d0\uaca9\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0 \ud2b9\uc815 \ud328\ud0b7\uc744 \ubcf4\ub0b4 \ubcf8 \ub2e4\uc74c, \uac70\uae30\uc11c \ub3cc\uc544\uc624\ub294 \uc751\ub2f5\uc744 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \ube44\uad50\ud55c\ub2e4. \uc6b4\uc601 \uccb4\uc81c \ubca4\ub354\ub4e4\uc774 TCP\/IP\ub97c \uad6c\ud604\ud560 \ub54c, Request for Commecnts(RFCs)\ub77c\uace0 \ubd88\ub9ac\ub294 \ubb38\uc11c\ub4e4\uc744 \ucc38\uace0\ud55c\ub2e4. \uc774 \ubb38\uc11c\ub294 www.faqs.org\/rfcs\/index.html<\/a> \uc5d0\uc11c \uad6c\ud560 \uc218 \uc788\ub2e4. \uadf8\ub807\uc9c0\ub9cc \uc774 \ubb38\uc11c\uc5d0 \ub530\ub77c \uad6c\ud604\ud55c TCP\/IP\uac00 \uac01 \ubca4\ub354\ub9c8\ub2e4 \uc870\uae08\uc529 \ub2e4\ub974\ub2e4.
 Nmap\uc740 \uc774 \ucc28\uc774\uc810\uc744 \uad6c\ubd84\ud574\uc11c \uc6b4\uc601 \uccb4\uc81c\ub97c \ud310\ub2e8\ud55c\ub2e4.
 – \uc21c\uc11c \ubc88\ud638 \ucd94\uce21(sequence prediction) : \ubaa8\ub4e0 TCP \ud1b5\uc2e0\uc5d0\uc11c\ub294, \uac01 \uc2dc\uc2a4\ud15c\uc774 \uc790\uc2e0\uc774 \ubcf4\ub0b4\ub294 \ud328\ud0b7\uc758 \uc21c\uc11c \ubc88\ud638\ub97c \uad00\ub9ac\ud55c\ub2e4. \uc774 \uc21c\uc11c \ubc88\ud638\ub294 TCP 3-way handshake \uacfc\uc815\uc5d0\uc11c \uacb0\uc815\ub41c\ub2e4. Nmap\uc740 \uc774 \uc21c\uc11c \ubc88\ud638\ub97c \ucd94\uce21\ud560 \uc218 \uc788\ub2e4. Windows NT 4.0 \uc11c\ube44\uc2a4 \ud329 5 \uc774\uc804 \ubc84\uc804\uacfc \uac19\uc740 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294, \uc774 \uc21c\uc11c \ubc88\ud638\uac00 \ub79c\ub364 \uac12\uc774 \uc544\ub2c8\uc5c8\uae30 \ub54c\ubb38\uc5d0 \uc27d\uac8c \ucd94\uce21\ud560 \uc218 \uc788\uc5c8\ub2e4. \uacfc\uac70\uac8c, \ud574\ucee4\ub4e4\uc740 \uc774\ub7f0 \uc2dc\uc2a4\ud15c\ub4e4\uc758 \uac04\ub2e8\ud55c TCP \uc21c\uc11c \ubc88\ud638\ub97c \ucd94\uce21\ud574\uc11c, TCP \uc5f0\uacb0\uc744 \uac00\ub85c\ucc44\ub294\ub370 \uc0ac\uc6a9\ud588\ub2e4.
 Nmap\uc740 \uc774\ub7f0 \uc21c\uc11c \ubc88\ud638\ub97c \ucd94\uce21\ud560 \uc218 \uc788\ub294\uc9c0\ub97c \uac80\uc0ac\ud574 \uc900\ub2e4. \ub9ac\ub205\uc2a4 \ucd5c\uadfc \ubc84\uc804\uacfc \uac19\uc740 \uc6b4\uc601\uccb4\uc81c\ub4e4\uc740, \uc21c\uc11c \ubc88\ud638\ub97c \ub79c\ub364\uc73c\ub85c \uc0dd\uc131\ud558\uae30 \ub54c\ubb38\uc5d0 \uc774 \ubc88\ud638\ub97c \ucd94\uce21\ud558\uae30\uac00 \ub9e4\uc6b0 \uc5b4\ub835\ub2e4.
 – TCP \uae30\ubc18 \uc5f0\uacb0\uc744 \ub2e4\uc591\ud558\uac8c \ud749\ub0b4\ub0c4 : TCP \uc5f0\uacb0\uc744 \ub9fa\uc744 \ub54c, \uc77c\uc815 \uc2dc\uac04(\uc218 \ubc00\ub9ac\ucd08)\ub3d9\uc548 handshake\ub97c \uc218\ud589\ud55c\ub2e4. \ub9ce\uc740 \ubc29\ud654\ubcbd\uc5d0\uc11c\ub294, \ud2b9\uc815 \ub0b4\ubd80 \uc2dc\uc2a4\ud15c\uc73c\ub85c \ud5a5\ud558\ub294 \ucd08\uae30 SYN \ud328\ud0b7\uc744 \ubc84\ub9b0\ub2e4. \uc65c\ub0d0\ud558\uba74 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\ub4e4\uc740 \uc678\ubd80 \ud638\uc2a4\ud2b8\uc5d0\uc11c \ub0b4\ubd80 \ud638\uc2a4\ud2b8\ub85c \uc811\uc18d\ud558\ub294 \uac83(\ubc29\ud654\ubcbd\uc744 \ud1b5\ud558\uc9c0 \uc54a\uace0)\uc744 \ubc14\ub77c\uc9c0 \uc54a\uc744 \uacbd\uc6b0\uac00 \ub9ce\uae30 \ub54c\ubb38\uc774\ub2e4. \ub300\ubd80\ubd84\uc758 \uc2a4\uce90\ub108\ub294 SYN \ud328\ud0b7\uc744 \uc0ac\uc6a9\ud574\uc11c \uac80\uc0ac\ub97c \ud558\uae30 \ub54c\ubb38\uc5d0, \uc911\uac04\uc5d0 \ud328\ud0b7\uc774 \ubc84\ub824\uc9c0\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.
 Nmap\uc740 \ubc29\ud654\ubcbd\uc5d0\uc11c \ud5c8\uc6a9\ud558\ub294 \ud328\ud0b7\uc744 \uc0ac\uc6a9\ud574\uc11c \ud3ec\ud2b8 \uc2a4\uce94\uc744 \ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0, \ubc29\ud654\ubcbd \ub0b4\ubd80\uc5d0 \uc788\ub294 \ud638\uc2a4\ud2b8 \ub4e4\uace0 \uac80\uc0ac\ud560 \uc218 \uc788\ub2e4.
 – \uc2a4\ud478\ud551(spoofing) \uae30\ub2a5 : \ub9ce\uc740 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\ub294 \ub204\uac00 \uc790\uc2e0\uc758 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc2a4\uce94\ud588\ub294\uc9c0 \uc54c\ub824\uace0 \ud55c\ub2e4. Nmap\uc758 \uc2a4\ud478\ud551 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uba74, \uc545\uc758\uc801\uc778 \uc0ac\uc6a9\uc790\ub294 \uc790\uc2e0\uc758 \uc2dc\uc2a4\ud15c\uc744 \ub2e4\ub978 \ud638\uc2a4\ud2b8\uc778\uac83\ucc98\ub7fc \uac00\uc7a5\ud560 \uc218 \uc788\ub2e4. \uadf8\ub798\uc11c \uc2dc\uc2a4\ud15c \uad00\ub9ac\uc790\ub4e4\uc740 \ubb34\uace0\ud55c \uc0ac\ub78c\uc744 \uacf5\uaca9\uc790\ub85c \ucc29\uac01\ud560 \uc218\ub3c4 \uc788\ub2e4. IT \uc804\ubb38\uac00\ub4e4\uc740 \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud574\uc11c \ubc29\ud654\ubcbd \uad6c\uc131\uc744 \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\ub2e4.
 – \uc2a4\uce94 \uc18d\ub3c4\uc640 \uc21c\uc11c \uc870\uc808 \uae30\ub2a5 : \ub9ce\uc740 \uce68\uc785 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c(Instrusion Detection System, IDS)\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \ub124\ud2b8\uc6cc\ud06c \ud638\uc2a4\ud2b8\ub4e4\uc774 \uc21c\uc11c\ub300\ub85c \uc2a4\uce94 \uacf5\uaca9\uc744 \ubc1b\uace0 \uc788\uc744 \ub54c \uacbd\uace0\ub97c \ubc1c\uc0dd\ud55c\ub2e4. \ub610, \uba87\uba87 \ud638\uc2a4\ud2b8\uac00 \uc9e7\uc740 \uc2dc\uac04 \uc548\uc5d0 \uc2a4\uce94\uc744 \ubc1b\uc744 \uacbd\uc6b0\uc5d0\ub3c4 \uacbd\uace0\ub97c \ubc1c\uc0dd\ud55c\ub2e4. Nmap\uc744 \uc0ac\uc6a9\ud558\uba74, \ub2f9\uc2e0\uc740 \uacf5\uaca9\uc744 \ucc9c\ucc9c\ud788 \ud560 \uc218 \uc788\ub2e4. \uc545\uc758\uc801\uc778 \uc0ac\uc6a9\uc790\ub294 \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud574\uc11c \uce68\uc785 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c\uc744 \ud53c\ud560 \uc218 \uc788\ub2e4.
 IT \uc804\ubb38\uac00\ub294 \ubc29\ud654\ubcbd\uc774\ub098 \uce68\uc785 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c\uc744 \uac10\uc0ac(audit)\ud558\ub294\ub370 \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud55c\ub2e4.
 – \ucd9c\ub825\uc744 \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc5d0 \uc800\uc7a5\ud558\ub294 \uae30\ub2a5 : \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uba74, Nmap\uc758 \ucd9c\ub825\uc744 \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uace0, \ub098\uc911\uc744 \uc704\ud574 \uc800\uc7a5\ud574 \ub458 \uc218\ub3c4 \uc788\ub2e4.
 – \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc5d0\uc11c \uc785\ub825 \uc815\ubcf4\ub97c \uc77d\ub294 \uae30\ub2a5 : \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uba74 \uc785\ub825 \uc815\ubcf4\ub97c \ud14d\uc2a4\ud2b8 \ud30c\uc77c\ub85c\ubd80\ud130 \uc77d\uc744 \uc218 \uc788\ub2e4.<\/p>\n

 * Nmap\uc744 \ubc1b\uc544 \uc124\uce58\ud558\uae30<\/p>\n

 Nmap\uc740 \ubcc4\ub2e4\ub978 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0, \uc5ec\ub7ec Unix \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub3d9\uc791\ud560 \uc218 \uc788\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c, Red hat \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 tarball\ubcf4\ub2e4 RPM\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc880 \ub354 \uc548\uc815\uc801\uc774\ub2e4. Nmap\uc758 \uacbd\uc6b0\ub294, \ucef4\ud30c\uc77c\uc2dc \uc904 \uc218 \uc788\ub294 \uc635\uc158\uc774 \uc5c6\uae30 \ub54c\ubb38\uc5d0, tarball \ud30c\uc77c\uc744 \uc4f0\ub294 \uc7a5\uc810\uc774 \uc5c6\ub2e4. \uadf8\ub798\uc11c \ub2f9\uc2e0\uc758 \ubc30\ud3ec\ud310\uc6a9 RPM\uc774 \ub098\uc640 \uc788\ub2e4\uba74 RPM\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\ub2e4. \ucc38\uace0\ub85c \uc6b0\ubd84\ud22c\uc5d0\uc11c\ub294 \ub2e4\uc74c\uc758 \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n

 $ sudo apt-get install nmap<\/p><\/blockquote>\n

 * \uc790\uc8fc \uc0ac\uc6a9\ud558\ub294 Nmap \uc635\uc158<\/p>\n

 Nmap\uc758 \uc7a5\uc810\uc758 \ud558\ub098\ub294, \uc5ec\ub7ec \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4. \ub2f9\uc2e0\uc740 \uc774 \ud234\uc744 \ub0b4\ubd80 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc758 \ud3ec\ud2b8\ub97c \uac80\uc0ac\ud560 \ub54c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uace0, \uc678\ubd80 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc788\ub294 \uc6d0\uaca9\uc9c0 \uc2dc\uc2a4\ud15c\uc758 \uc6b4\uc601\uccb4\uc81c\ub97c \uc54c\uc544\ub0b4\ub290\ub290\ub370 \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\ub2e4.\uc774 \ud234\uc744 \uc0ac\uc6a9\ud574\uc11c \uc2dc\uc2a4\ud15c\uc744 \ud55c\ubc88\ub9cc \uac80\uc0ac\ud560 \uc218\ub3c4 \uc788\uace0, \ub300\ud654\ud615 \ubaa8\ub4dc\uc5d0\uc11c \uc5ec\ub7ec\ubc88 \uac80\uc0ac\ud560 \uc218\ub3c4 \uc788\ub2e4.
 \ub2e4\uc74c\uc808\uc5d0 \ub098\uc624\ub294 \ub450\uac00\uc9c0 \uc2a4\uce94 \uc635\uc158\uc740, \ub2e4\uc591\ud55c \uc2a4\uce90\ub2dd \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub9ce\uc774 \uc0ac\uc6a9\ud558\ub294 \uac83\ub4e4\uc774\ub2e4. \uadf8\ub807\uc9c0\ub9cc \uc774 \uc635\uc158\ub4e4\uc740 SYN\uc744 \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0 \ubc29\ud654\ubcbd\uc5d0\uc11c \ubc84\ub824\uc9c8 \uc218 \uc788\ub2e4. \ub610\ud55c, \ubc29\ud654\ubcbd\uc774\ub098 IDS \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc774 \uc2a4\uce94 \uc815\ubcf4\ub97c \ub85c\uadf8\ub85c \uae30\ub85d\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n

 P0 : \uae30\ubcf8\uc801\uc73c\ub85c Nmap\uc740 ICMP \uba54\uc2dc\uc9c0\ub97c \uac01 \uc6d0\uaca9\uc9c0 \ud638\uc2a4\ud2b8\uc5d0 \uc804\uc1a1\ud55c\ub2e4. \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 Nmap\uc740 ICMP \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud558\uc9c0 \uc54a\ub294\ub2e4. \uc774 \uc635\uc158\uc740 ICMP \uba54\uc2dc\uc9c0\uc5d0 \uc751\ub2f5\ud558\uc9c0 \uc54a\ub294 \uc2dc\uc2a4\ud15c\ub4e4\uc774 \uc2e4\uc81c\ub85c \ub124\ud2b8\uc6cc\ud06c\uc640 \uc5f0\uacb0\ub3fc \uc788\uc9c0 \uc54a\uc740\uc9c0 \uac80\uc0ac\ud560 \ub54c \uc720\uc6a9\ud558\ub2e4. \ub2f9\uc2e0\uc774 \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294, Nmap\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc815\ubcf4\uac00 \uc815\ud655\ud558\uc9c0 \uc54a\uc744 \uc218\ub3c4 \uc788\ub2e4\ub294 \uac83\uc744 \uc5fc\ub450\uc5d0 \ub450\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n

 -sP : Nmap\uc5d0\uc11c \uc624\uc9c1 ICMP \ub9cc\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud45c\uc900 \ud551(ping) \uc2a4\uce94\uc744 \ud558\uac8c \ud55c\ub2e4. Nmap \uc635\uc158\uc911\uc5d0, \uc55e\uc5d0 -s\uac00 \ubd84\uc740 \uac83\uc740 \uc2a4\ud154\uc2a4(stealth)\uc635\uc158\uc774\ub77c\uace0 \ud558\ub294\ub370, \uc774\uac83\uc740 \ubc29\ud654\ubcbd\uc774\ub098 IDS\uc5d0 \ubc1c\uac01\ub418\uc9c0 \uc54a\uac8c \ud328\ud0b7\uc744 \ubcf4\ub0b4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4.<\/p>\n

 -PT : Nmap\uc5d0\uc11c \ub2e4\ub978 \ud638\uc2a4\ud2b8\ub97c \ud551(ping)\ud560 \ub54c, ICMP\ub300\uc2e0 TCP \ud328\ud0b7\uc744 \uc0ac\uc6a9\ud558\uac8c \ud55c\ub2e4. \uc774 \uc635\uc158\uc740 \ubc29\ud654\ubcbd\uc5d0\uc11c ICMP\uc640 TCP \ud328\ud0b7\uc744 \uc81c\ub300\ub85c \ub9c9\ub294\uc9c0 \ud14c\uc2a4\ud2b8\ud560 \ub54c \uc720\uc6a9\ud558\uac8c \uc4f8 \uc218 \uc788\ub2e4. \ub2f9\uc2e0\uc774 -PT \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74, Nmap\uc740 TCP ACK \ud328\ud0b7\uc744 \ubcf4\ub0b8\ub2e4. \uadf8\ub9ac\uace0 \uc0c1\ub300\ubc29 \ud638\uc2a4\ud2b8\uc5d0\uc11c RST \ud328\ud0b7\uc744 \ubcf4\ub0b4\uae30\ub97c \uae30\ub2e4\ub9b0\ub2e4. \ub9ce\uc740 \ubc29\ud654\ubcbd\uc5d0\uc11c\ub294 ACK\uc640 RST \ud328\ud0b7\uc744 \uc9c0\ub098\uac00\ub3c4\ub85d \ud5c8\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0, \ub2f9\uc2e0\uc740 \uc2a4\uce94\uc744 \uc798 \uc218\ud589\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n

 -sT : \uc6d0\uaca9\uc9c0 \uc2dc\uc2a4\ud15c\uc758 \uac01 \ud3ec\ud2b8\uc5d0 \uc644\uc804\ud55c TCP \uc5f0\uacb0\uc744 \ub9fa\ub294\ub2e4.(3-way handshake\ub97c \ubaa8\ub450 \uc218\ud589\ud55c\ub2e4.)<\/p>\n

 -sS : TCP\uc758 SYN \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud55c\ub2e4. TCP\uc5d0\uc11c \uc5f0\uacb0\uc744 \uc2dc\uc791\ud560 \ub54c, \ud55c \ud638\uc2a4\ud2b8\ub294 \ub2e4\ub978 \ud638\uc2a4\ud2b8\uc5d0\uac8c \uc5f0\uacb0\uc744 \uc6d0\ud55c\ub2e4\ub294 \uc758\ubbf8\ub85c SYN \ud328\ud0b7\uc744 \ubcf4\ub0b8\ub2e4. Nmap\uc774 SYN \ud328\ud0b7\uc744 \ubcf4\ub0b4\uba74, \uc774 \ub54c\ub294 half-open \uc5f0\uacb0\uc774 \uc131\ub9bd\ub41c\ub2e4.(-sT\uc5d0\uc11c \uc218\ud589\ud558\ub294 3-way handshake\ub97c \ubaa8\ub450 \uc218\ud589\ud558\uc9c0 \uc54a\uc558\ub2e4\ub294 \ub73b\uc774\ub2e4.). \ub2e4\ub978 \ud638\uc2a4\ud2b8\uac00 \uadf8 \uc5f0\uacb0\uc744 \uacc4\uc18d \uc9c4\ud589\ud558\uace0 \uc2f6\uc9c0 \uc54a\ub2e4\ub294 \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0bc \uacbd\uc6b0\uc5d0\ub3c4, Nmap\uc740 \ud3ec\ud2b8\uac00 \uc5f4\ub824 \uc788\ub294\uc9c0\ub97c \ud310\ub2e8\ud560 \uc218 \uc788\ub294 \ub9ce\uc740 \uc815\ubcf4\ub97c \uc5bb\uc744 \uc218 \uc788\ub2e4.<\/p>\n

 -O : Nmap\uc774 \uc6b4\uc601 \uccb4\uc81c \ubc84\uc804\uc744 \ucd94\uce21\ud558\ub3c4\ub85d \ud55c\ub2e4. \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uba74 \uc545\uc758\uc801\uc778 \uc0ac\uc6a9\uc790\ub4e4\uc774 \ud638\uc2a4\ud2b8\uc758 \uc6b4\uc601\uccb4\uc81c\ub97c \ud30c\uc545\ud560 \uc218 \uc788\uace0, \uadf8 \uc6b4\uc601\uccb4\uc81c\uc640 \uad00\ub828\ub41c \uacf5\uaca9\ub4e4\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub2e4. \uadf8\ub798\uc11c \uc774 \uae30\ub2a5\uc740 Nmap\uc744 \uc720\uba85\ud558\uac8c \ub9cc\ub4e0 \uc774\uc720\uc758 \ud558\ub098\uac00 \ub418\uc5c8\ub2e4. Nmap\uc740 \uc6b4\uc601 \uccb4\uc81c \uc11c\uba85(Signature)\ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud55c\ub2e4. Nmap\uc740 \uc2a4\uce94\uc744 \ud55c \ub4a4 \uc815\ubcf4\ub97c \uc5bb\uc5b4\uc11c, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc788\ub294 \uc815\ubcf4\uc640 \ube44\uad50\ud55c\ub2e4. Nmap\uc758 \uac1c\ubc1c\uc790\ub4e4\uc740 \uc774 \uc11c\uba85(Signature) \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ucd5c\uc2e0\uc758 \uac83\uc73c\ub85c \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub9ce\uc740 \ub178\ub825\uc744 \ud558\uace0 \uc788\ub2e4. \uac01 \uc6b4\uc601 \uccb4\uc81c\ub9c8\ub2e4 TCP\/IP \uad6c\ud604\uc774 \uc870\uae08\uc529 \ub2e4\ub978\ub370, Nmap\uc740 \uc774 \uc815\ubcf4\ub97c \uc6b4\uc601\uccb4\uc81c\ub97c \ud310\ub2e8\ud558\ub294 \uae30\uc900\uc758 \ud558\ub098\ub85c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n

 -v : Nmap\uc744 verbose \ubaa8\ub4dc\ub85c \ub9cc\ub4e0\ub2e4. \uc774 \ubaa8\ub4dc\uc5d0\uc11c\ub294 Nmap\uc774 \uc6d0\uaca9\uc9c0 \ud638\uc2a4\ud2b8\uc5d0 \ubcf4\ub0b4\ub294 \uc815\ubcf4, \uc6d0\uaca9\uc9c0 \ud638\uc2a4\ud2b8\uc5d0\uc11c \uc751\ub2f5\ud558\ub294 \uc815\ubcf4\ub4e4\uc744 \uc790\uc138\ud788 \uc54c \uc218 \uc788\ub2e4. \ub2f9\uc2e0\uc774 -v -v \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74, Nmap\uc5d0\uc11c\ub294 \ub354 \ub9ce\uc740 \uc815\ubcf4\ub97c \ucd9c\ub825\ud560 \uac83\uc774\ub2e4.<\/p>\n

 * \uc801\uc6a9 \uc608\uc81c<\/p>\n

 \ub2f9\uc2e0\uc758 \ub85c\uceec \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc788\ub294 \ud638\uc2a4\ud2b8 \uc911\uc5d0\uc11c \ub3d9\uc791\ud558\uace0 \uc788\ub294 \ud638\uc2a4\ud2b8\ub4e4\uc744 \uc54c\uace0 \uc2f6\ub2e4\uace0 \ud558\uc790. \ub2f9\uc2e0\uc758 \ub124\ud2b8\uc6cc\ud06c \uc8fc\uc18c\uac00 10.100.100.0 \uc774\uace0, \uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c\uac00 255.255.255.0 \uc774\ub77c\uace0 \ud558\uc790.
 \uadf8\ub7ec\uba74 \ub2e4\uc74c\uc758 \uba85\ub839\uc744 \uc2e4\ud589\ud558\uba74 \ub41c\ub2e4.<\/p>\n

 $ nmap -sP 10.100.100.0\/24<\/p><\/blockquote>\n

 \ub2f9\uc2e0\uc774 -v \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74, \ub3d9\uc791\ud558\uc9c0 \uc54a\ub294 \uc2dc\uc2a4\ud15c\uc758 \ubaa9\ub85d\ub3c4 \ubcfc \uc218 \uc788\ub530. \ub9cc\uc57d \uc6d0\uaca9\uc9c0 \ud638\uc2a4\ud2b8\uc5d0 \ud551(ping)\uc744 \ubcf4\ub0b4\ub824 \ud558\ub294\ub370 \uc911\uac04\uc5d0 \uc788\ub294 \ub77c\uc6b0\ud130\ub098 \ubc29\ud654\ubcbd\uc5d0\uc11c ICMP \ud328\ud0b7\uc744 \ud5c8\uc6a9\ud558\uc9c0 \uc54a\ub294\ub2e4\uba74, -sT \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\ub2e4.
 \ub2e4\uc74c \uba85\ub839\uc740 TCP half-open \uc2a4\uce94\uc744 \uc218\ud589\ud558\uace0, \uc6b4\uc601 \uccb4\uc81c\uc758 \uc815\ubcf4\ub97c \uc54c\uc544\ub0b8\ub2e4. \uc774 \ub54c, \ud638\uc2a4\ud2b8\uc5d0 \ud551(ping)\uc744 \ubcf4\ub0b4\uc9c0\ub294 \uc54a\ub294\ub2e4.<\/p>\n

 $ nmap -sS -O -p0 host<\/p><\/blockquote>\n

 \ub2f9\uc2e0\uc774 -v \uc635\uc158\uc744 \ucd94\uac00\ud558\uba74, Nmap\uc774 \uc5b4\ub5bb\uac8c \ub3d9\uc791\ud558\ub294\uac00\uc5d0 \ub300\ud55c \ub354 \ub9ce\uc740 \uc815\ubcf4\ub97c \uc5bb\uc744 \uc218 \uc788\ub2e4.<\/p>\n

 * \uc804\uccb4 \ub124\ud2b8\uc6cc\ud06c\uc640 \uc11c\ube0c\ub137 \uc2a4\uce94\ud558\uae30<\/p>\n

 \ub2f9\uc2e0\uc774 \uc804\uccb4 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc2a4\uce94\ud558\uace0 \uc2f6\uc744 \ub54c\ub294, Nmap\uc5d0\uc11c \uc9c0\uc6d0\ud558\ub294 \uc640\uc77c\ub4dc \uce74\ub4dc(*)\uc640 Classlwss Internet Domain Routing(CIDR) \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\uba74 \ub41c\ub2e4. Nmap\uc740 \ud45c\uc900 \uc640\uc77c\ub4dc \uce74\ub4dc\uc778 “*.”\uc744 \uc0ac\uc6a9\ud55c\ub2e4. CIDR \ud45c\uae30\ubc95\uc774\ub780, class C \uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c\uc778 255.255.255.0 \uc744 \ub098\ud0c0\ub0b4\uae30 \uc704\ud574 \/24 \ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc774\ub2e4. \uc774 \uc22b\uc790\uc758 \uc758\ubbf8\ub294, \uc11c\ube0c\ub137 \uc8fc\uc18c\uc758 \uc2dc\uc791 \ube44\ud2b8\ubd80\ud130 24\uac1c\uac00 1 \uc774\ub77c\ub294 \ub73b\uc774\ub2e4. \ub098\uba38\uc9c0 8bit \ub294 \ub124\ud2b8\uc6cc\ud06c\uc758 \uac01 \ub178\ub4dc\ub97c \uad6c\ubd84\ud558\ub294\ub370 \uc0ac\uc6a9\ub41c\ub2e4. 172.16.0.0\/18 \uc740 \uc11c\ube0c\ub137\uc740 \ud558\ub098\uc758 class B \ub124\ud2b8\uc6cc\ud06c(172.16)\uc744 4\uac1c\uc758 \uc11c\ube0c\ub137(172.16.0, 172.16.64, 172.16.128, 172.16.192)\uc73c\ub85c \ub098\ub208\ub2e4.
 \uc774 \ub54c, \uac01 \uc11c\ube0c\ub137\uc740  14 bit\uc758 \ub178\ub4dc \ubc88\ud638\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n

 $ nmap -P0 -oN output.txt 172.167.0.0\/16 .”*.*”
 $ nmap -P0 -oN output.txt 192.168.0.0\/24<\/p><\/blockquote>\n

 \uc704 \uc608\uc81c\uc640 \uac19\uc774, \uc640\uc77c\ub4dc \uce74\ub4dc\ub97c \uc0ac\uc6a9\ud560 \ub54c\ub294 \ud070 \ub530\uc634\ud45c\ub97c \uc0ac\uc6a9\ud574\uc11c \ubb36\uc5b4\uc57c \ud55c\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ub9ac\ub205\uc2a4\ub294 \uc774\uac83\uc744 \ud30c\uc77c \uc774\ub984 \uc640\uc77c\ub4dc \uce74\ub4dc\ub85c \ud574\uc11d\ud558\uae30 \ub54c\ubb38\uc5d0, \ud604\uc7ac \ub514\ub809\ud1a0\ub9ac\uc5d0 \uc788\ub294 \ud30c\uc77c \uc911 \uc774 \ud328\ud134\uc5d0 \ub9de\ub294 \ud30c\uc77c\uc744 \ub36e\uc5b4 \uc4f8 \uc218 \uc788\ub2e4. \ub2f9\uc2e0\uc774 \uc6d0\ud55c\ub2e4\uba74 \uc791\uc740 \ub530\uc634\ud45c\ub97c \uc368\ub3c4 \ub41c\ub2e4.
 \uc704 \uba85\ub839\ub4e4\uc740 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \uc804\uccb4\ub97c \uc2a4\uce94\ud55c \ub4a4, \uacb0\uacfc\ub97c output.txt\uc5d0 \uc800\uc7a5\ud55c\ub2e4. CIDR \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\uba74 \ucee4\uc2a4\ud140(custom) \uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c\ub97c \uc0ac\uc6a9\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc2a4\uce94\ud560 \uc218 \uc788\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2f9\uc2e0\uc758 \ub124\ud2b8\uc6cc\ud06c \uc8fc\uc18c\uac00 172.16.0.0\/8 \uc774\uace0, \uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c\uac00 255.0.0.0 \uc774\ub77c \ud558\uc790.
 \uc774 \uc11c\ube0c\ub137\uc744 \uc2a4\uce94\ud558\ub824\uba74, \ub2e4\uc74c \uba85\ub839\uc744 \uc2e4\ud589\ud558\uba74 \ub41c\ub2e4.<\/p>\n

 $ nmap -P0 -oN output.txt 172.168.0.0\/8<\/p><\/blockquote>\n

 * \uc120\ubcc4\uc801\uc778 \uc2a4\uce94<\/p>\n

 \ub2f9\uc2e0\uc774 \uc804\uccb4 \uc11c\ube0c\ub137\uc5d0 \uc788\ub294 \ud2b9\uc815 \ud3ec\ud2b8\ub4e4\ub9cc\uc744 \uac80\uc0ac\ud558\uace0 \uc2f6\ub2e4\uace0 \ud558\uc790. \uadf8\ub7ec\uc790\uba74 \uc6f9 \uc11c\ubc84\ub098 DNS \uc11c\ubc84\uc640 \uac19\uc740, \ud2b9\uc815 \uc11c\ube44\uc2a4\ub9cc\uc744 \uc120\u314c\u314a\ud0dd\ud574\uc11c \uc2a4\uce94\ud560 \uc218 \uc788\ub354\u314f. \ub2e4\uc74c \uba85\ub839\uc744 \uc2e4\ud589\ud558\uba74 \ub41c\ub2e4.<\/p>\n

 $ nmap -sX -p 22,53 -oN acornpub.txt 192.168.0.0\/24<\/p><\/blockquote>\n

 * \ucc38\uace0<\/p>\n

 \ub2e4\uc74c \uc6b4\uc601\uccb4\uc81c\ub4e4\uc740 “Xmas”\uc2a4\uce94\uc5d0 \uc81c\ub300\ub85c \uc751\ub2f5\ud558\uc9c0 \uc54a\ub294\ub2e4.(Xmas \uc2a4\uce94\uc774\ub780, Nmap\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \uc2a4\uce94 \ubc29\ubc95\uc758 \ud558\ub098\ub85c, TCP\uc758 \uc5ec\ub7ec bit(FIN, PSH, URG \ub4f1)\ub97c \ubaa8\ub450 \uc124\uc815\ud55c \ud328\ud0b7\uc744 \ubcf4\ub0b4\ub294 \ubc29\ubc95\uc774\ub2e4. \uc774\ub807\uac8c \ubaa8\ub4e0 \ube44\ud2b8\ub97c \uc124\uc815\ud55c \ubaa8\uc591\uc774, \ud06c\ub9ac\uc2a4\ub9c8\uc2a4 \ud2b8\ub9ac\uc5d0 \ubd99\uc5b4 \uc788\ub294 \uc804\uad6c \ubaa8\ub450\uc5d0 \ubd88\uc774 \ucf1c\uc9c4 \ubaa8\uc2b5\uacfc \ube44\uc2b7\ud558\ub2e4\uace0 \ud574\uc11c Xmas \uc2a4\uce94\uc774 \ub410\ub2e4.) \uc65c\ub0d0\ud558\uba74, \uc774\ub4e4\uc740 \ud45c\uc900 RFC\ub97c \ub530\ub974\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc774\ub2e4.
 Microsoft, CISCO, FreeBSD\ub098 NetBSD\uac00 \uc544\ub2cc \ubaa8\ub4e0 BSD \uc2dc\uc2a4\ud15c, IRIX, HP\/UX<\/p>\n

 * \uc2a4\ud154\uc2a4 \uae30\ub2a5\uc744 \ucd94\uac00
 \uc704\uc5d0\uc11c, Nmap\uc774 \uc2a4\uce94\ud558\ub294 \uac83\uc744 \ubc29\ud654\ubcbd\uc5d0 \ub4e4\ud0a4\uc9c0 \uc54a\uae30 \uc704\ud574 \uc2a4\ud154\uc2a4(stealth)\uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc744 \ubd24\ub2e4. \uc704\uc5d0\uc11c \uc18c\uac1c\ud55c \ubc29\ubc95 \ub9d0\uace0\ub3c4, \uc5ec\ub7ec\uac00\uc9c0 \uc2a4\ud154\uc2a4 \uc635\uc158\uc774 \uc788\ub2e4.<\/p>\n

 -sF : FIN \ube44\ud2b8\uac00 \uc124\uc815\ub41c TCP \ud328\ud0b7\uc744 \uc0ac\uc6a9\ud574\uc11c, Nmap\uc740 \ud638\uc2a4\ud2b8\uc758 \ubaa8\ub4e0 \ud3ec\ud2b8\uc5d0 \ud328\ud0b7\uc744 \ubcf4\ub0bc \uc218 \uc788\ub2e4.<\/p>\n

 -sX : “Xmas \ud2b8\ub9ac” \uc635\uc158\uc73c\ub85c \ubd88\ub9ac\ub294\ub370, \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 TCP\uc758 FIN, URG, PUSH \ud50c\ub798\uadf8\uac00 \uc124\uc815\ub41c\ub2e4.<\/p>\n

 -sN : “Null \uc2a4\uce94”\uc774\ub77c \ubd88\ub9b0\ub2e4. \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 TCP\uc758 \ubaa8\ub4e0 \ud50c\ub798\uadf8\ub97c \ub048 \ud328\ud0b7\uc744 \ubcf4\ub0b8\ub2e4. \ub9cc\uc57d \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc774 \ud328\ud0b7\uc5d0 \ub300\ud55c \uc751\ub2f5\uc744 \ud558\uba74, Nmap\uc740 \uc774 \ud638\uc2a4\ud2b8\uac00 \ub3d9\uc791\uc911\uc778\uc9c0 \uc54c \uc218 \uc788\uace0, \ub3cc\uc544\uc628 \ud328\ud0b7\uc744 \ubd84\uc11d\ud558\uc5ec \uc5ec\ub7ec \uc815\ubcf4\ub97c \uc5bb\uc5b4\ub0bc \uc218 \uc788\ub2e4. Microsoft \uc2dc\uc2a4\ud15c\ub4e4\uc740 \uc774 \ud328\ud0b7\uc5d0 \uc751\ub2f5\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0, \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 Microsoft \uc2dc\uc2a4\ud15c\uacfc \ub2e4\ub978 \uc2dc\uc2a4\ud15c\ub4e4\uc744 \uad6c\ubd84\ud560 \uc218 \uc788\ub2e4.<\/p>\n

 -D : \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 \uc2a4\uce94\uc758 \ucd9c\ubc1c\uc9c0 \uc8fc\uc18c\ub97c \ub2f9\uc2e0\uc774 \uc9c0\uc815\ud558\ub294 \uc8fc\uc18c\ub4e4\ub85c \ubc14\uafc0 \uc218 \uc788\ub2e4. \ud574\ucee4\ub4e4\uc740 \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud574\uc11c, \uc2dc\uc2a4\ud15c \uad00\ub9ac\uc790\ub4e4\uc774 \uc2a4\uce94 \uacf5\uaca9\uc758 \ucd9c\ubc1c\uc810\uc744 \uc54c\uc9c0 \ubabb\ud558\uac8c \ud55c\ub2e4. \ub2f9\uc2e0\uc774 \uad00\ub9ac\uc790\ub77c\uba74, \uc774 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud574\uc11c \uce68\uc785 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c\uc774\ub098 \ubc29\ud654\ubcbd\uc774 \uc2a4\uce94 \uacf5\uaca9\uc744 \uc798 \ucc3e\uc544\ub0b4\ub294\uc9c0 \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\ub2e4. -D \uc635\uc158\uc744 \uc0ac\uc6a9\ud560 \ub54c\uc5d0\ub294, \uac00\uc9dc \ud638\uc2a4\ud2b8\ub4e4\uc744 \uc27c\ud45c\ub85c \uad6c\ubd84\ud574\uc57c \ud55c\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
\npchero@MyNote:~$ sudo nmap -sF -v 192.168.3.0\/24 -D 21.125.23.122<\/p>\n

Starting Nmap 4.53 ( http:\/\/insecure.org ) at 2008-08-06 14:56 KST
\nInitiating ARP Ping Scan at 14:56
\nScanning 215 hosts [1 port\/host]
\nCompleted ARP Ping Scan at 14:56, 2.31s elapsed (215 total hosts)
\nInitiating Parallel DNS resolution of 215 hosts. at 14:56
\nCompleted Parallel DNS resolution of 215 hosts. at 14:56, 0.01s elapsed
\nInitiating Parallel DNS resolution of 1 host. at 14:56
\nCompleted Parallel DNS resolution of 1 host. at 14:56, 0.01s elapsed
\nInitiating FIN Scan at 14:56
\nScanning 192.168.3.1 [1714 ports]
\nCompleted FIN Scan at 14:56, 14.18s elapsed (1714 total ports)
\nHost 192.168.3.1 appears to be up … good.
\nInteresting ports on 192.168.3.1:
\nNot shown: 1712 closed ports
\nPORT   STATE         SERVICE
\n22\/tcp open|filtered ssh
\n23\/tcp open|filtered telnet
\nMAC Address: 00:11:88:4D:3D:82 (Enterasys)<\/p>\n

Initiating ARP Ping Scan at 14:56
\nScanning 40 hosts [1 port\/host]
\nCompleted ARP Ping Scan at 14:56, 0.85s elapsed (40 total hosts)
\nInitiating FIN Scan at 14:56
\nScanning 192.168.3.215 [1714 ports]
\nCompleted FIN Scan at 14:56, 0.14s elapsed (1714 total ports)
\nHost 192.168.3.215 appears to be up … good.
\nAll 1714 scanned ports on 192.168.3.215 are closed<\/p>\n

Read data files from: \/usr\/share\/nmap
\nNmap done: 256 IP addresses (2 hosts up) scanned in 18.069 seconds
\n           Raw packets sent: 8021 (321.858KB) | Rcvd: 6918 (287.378KB)<\/div>\n<\/fieldset>\n

 \ub2f9\uc2e0\uc774 ME \uc635\uc158\uc744 \uc9c0\uc815\ud55c\ub2e4\uba74, \ub2f9\uc2e0\uc758 \uc2dc\uc2a4\ud15c \uc815\ubcf4\uac00 IDS \ub85c\uadf8\uc5d0 \ub0a8\uc744 \uac00\ub2a5\uc131\uc744 \ub354\uc6b1 \uc801\uc5b4\uc9c4\ub2e4.<\/p>\n

 192.168.3.0\/24 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc2a4\uce94\ud558\ub824\uace0 \ud558\ub294\ub370, \uc774 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc788\ub294 \ubc29\ud654\ubcbd\uc5d0\uc11c \ubaa8\ub4e0 SYN \ud328\ud0b7\uc744 \uac70\ubd80\ud55c\ub2e4\uba74, \ub2e4\uc74c \uba85\ub839\uc744 \uc2e4\ud589\ud55c\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
$ nmap -sF -v 192.168.3.0\/24<\/div>\n<\/fieldset>\n

 \ub2e4\uc74c \uba85\ub839\uc740 \uc704\uc640 \ub611\uac19\uc9c0\ub9cc, \uc2a4\uce94 \uacf5\uaca9\uc744 \ud558\ub294 \uc2dc\uc2a4\ud15c\uc758 \uc8fc\uc18c\ub97c \ub2e4\ub978 \ud638\uc2a4\ud2b8\uc758 \uc8fc\uc18c\ub85c \ubc14\uafd4 \ub193\ub294\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
$ nmap -sF -v 192.168.3.0\/24 -D www.hostname.com,www.hostwebserver.com,ME<\/div>\n<\/fieldset>\n

 Nmap\uc744 \uc0ac\uc6a9\ud558\uba74\uc11c, -sX\uc640 -sN \uc635\uc158\uc774 \ub2f9\uc2e0\uc774 \uc2a4\uce94\ud558\uace0\uc790 \ud558\ub294 \ud638\uc2a4\ud2b8\uc5d0 \ub9de\ub294\uc9c0\ub97c \ud14c\uc2a4\ud2b8\ud558\uae30 \ubc14\ub780\ub2e4. TCP \uc635\uc158\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294, \ud55c\ubc88\uc5d0 \ud558\ub098\uc758 \uc635\uc158\ub9cc\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\ub3c4 \uc54c\uc544\ub450\uc790.
 \uadf8\ub7ec\ub2c8\uae4c \ub2f9\uc2e0\uc740 \ud55c \uba85\ub839\uc5d0\uc11c -sF \uc640 -sS \uc635\uc158\uc744 \ubaa8\ub450 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\ub2e4.<\/p>\n

 * \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc5d0 \uc800\uc7a5\ud558\uace0 \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc5d0\uc11c \uc77d\uae30<\/p>\n

 \uc2a4\uce94\uc744 \ud558\uba74 \uadf8 \uacb0\uacfc\uac00 \uc0c1\ub2f9\ud788 \uae38 \ub54c\uac00 \uc788\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2f9\uc2e0\uc774 253\uac1c\uc758 \ud638\uc2a4\ud2b8\uac00 \uc788\ub294 \ub124\ud2b8\uc6cc\ud06c\uc758 \ubaa8\ub4e0 \ud3ec\ud2b8\ub97c \uc2a4\uce94\ud55c\ub2e4\uba74, \ub2f9\uc2e0\uc740 \ud654\uba74\uc5d0\uc11c \uadf8 \uacb0\uacfc\ub97c \ub2e4 \ubcfc \uc218 \uc5c6\uc744 \uac83\uc774\ub2e4. \uacb0\uacfc\uac00 \ub108\ubb34 \ub9ce\uae30 \ub54c\ubb38\uc5d0, \ud130\ubbf8\ub110\uc744 \uc544\ubb34\ub9ac \uc2a4\ud06c\ub864\ud574\ub3c4 \ubaa8\uc790\ub784 \uac83\uc774\ub2e4.
 Nmap\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc635\uc158\uc744 \uc0ac\uc6a9\ud574\uc11c \ucd9c\ub825\uc744 \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc5d0 \uc800\uc7a5\ud560 \uc218 \uc788\ub2e4.
 -oN filename : \uc2a4\uce94 \uacb0\uacfc\ub97c \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc5d0 \uc800\uc7a5\ud574\uc11c \ub098\uc911\uc5d0 \ubcfc \uc218 \uc788\uac8c \ud55c\ub2e4.
 -oM filename : \uc2a4\uce94 \uacb0\uacfc\ub97c \ubc14\uc774\ub108\ub9ac \ud3ec\ub9f7\uc73c\ub85c \uc800\uc7a5\ud55c\ub2e4. \ub2f9\uc2e0\uc774 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc2a4\uce94\ud55c \ub2e4\uc74c, \uc774 \uacb0\uacfc \ud30c\uc77c\uc744 Cheops\ub098 IDS\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.
 -iL : Nmap\uc5d0\uc11c \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc744 \uc77d\uc5b4\ub4e4\uc774\uac8c \ud55c\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2f9\uc2e0\uc774 \uc5ec\ub7ec IP\uc8fc\uc18c\ub098 \ud638\uc2a4\ud2b8 \uc774\ub984\uc774 \uc800\uc7a5\ub41c \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc744 \uac16\uace0 \uc788\ub2e4\uba74, \uba85\ub839\ud589\uc5d0\uc11c \uc8fc\uc18c\ub97c \uc9c0\uc815\ud558\ub294 \ub300\uc2e0 \uc774 \ud30c\uc77c \uc774\ub984\uc744 \uc9c0\uc815\ud560 \uc218 \uc788\ub2e4.
 \uc608\ub97c \ub4e4\uc5b4, \ub2f9\uc2e0\uc774 Nmap \ucd9c\ub825\uc744 file.txt\uc5d0 \uc800\uc7a5\ud558\uace0 \uc2f6\uc744 \ub54c, \ub2e4\uc74c\uacfc \uac19\uc774 \uc2e4\ud589\ud558\uba74 \ub41c\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
$ nmap -v -oN file.txt -O host.yourhosrt.com<\/div>\n<\/fieldset>\n

 * \ubc29\ud654\ubcbd\uacfc \uce68\uc785 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c \ud14c\uc2a4\ud2b8<\/p>\n

 \ub2f9\uc2e0\uc740 \ubc29\ud654\ubcbd\uc774\ub098 IDS\uac00 \uc124\uce58\ub41c \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c Nmap\uc744 \uc0ac\uc6a9\ud558\uace0 \uc2f6\uc744 \ub54c\ub3c4 \uc788\uc744 \uac83\uc774\ub2e4. \uadf8\ub7f4 \uacbd\uc6b0\uc5d0, \ub2f9\uc2e0\uc758 \uc2a4\uce94 \uc815\ubcf4\uac00 \uc27d\uac8c \ud0d0\uc9c0\ub418\uc9c0 \uc54a\uace0, \ub610 \ubc29\ud654\ubcbd\uc5d0\uc11c \ubc84\ub824\uc9c0\uc9c0 \uc54a\uae30\ub97c \ubc14\ub784 \uac83\uc774\ub2e4.
 \uc774\ub7f0 \uacbd\uc6b0 \ub2e4\uc74c \uc635\uc158\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4,
 -f : \uc2a4\uce94\ud558\ub294 \ud328\ud0b7\uc744 \uc791\uc740 IP \uc870\uac01\uc73c\ub85c \ub098\ub208\ub2e4. \uc774\ub807\uac8c \ud558\uba74, \ubc29\ud654\ubcbd\uc5d0\uc11c \ud328\ud0b7\ub4e4\uc744 \uc7a1\uc544\ub0b4\uc11c \ub85c\uadf8\ub85c \ub0a8\uae30\uae30\uac00 \uc5b4\ub824\uc6cc\uc9c4\ub2e4.
 -S address \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74, \uc2a4\uce94 \uacf5\uaca9\uc774 \uc2dc\uc791\ub41c \ucd9c\ubc1c\uc9c0 \uc8fc\uc18c\ub97c \uc9c0\uc815\ud560 \uc218 \uc788\ub2e4. \uc6d0\ub798 \uc774 \uc635\uc158\uc744 \ub9cc\ub4e0 \uc774\uc720\ub294, \uc5b4\ub5a4 \uc6b4\uc601\uccb4\uc81c\ub294 \uc790\uc2e0\uc758 \uc8fc\uc18c\ub97c Nmap\uc5d0\uac8c \uc54c\ub824\uc8fc\uc9c0 \uc54a\uc558\uae30 \ub54c\ubb38\uc774\ub2e4. \uadf8\ub807\uc9c0\ub9cc \uc774 \uc635\uc158\uc740 \uc790\uc2e0\uc758 \uc8fc\uc18c\ub97c \uc18d\uc774\ub294 \ub370\ub3c4 \uc0ac\uc6a9\ub420 \uc218 \uc788\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c, \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud574\uc11c \uacf5\uaca9 \ucd9c\ubc1c\uc9c0 \uc8fc\uc18c\ub97c \uc18d\uc77c \ub54c, -e -P0 \uc635\uc158\uc744 \uac19\uc774 \uc0ac\uc6a9\ud55c\ub2e4. -e \uc635\uc158\uc740 \uc0ac\uc6a9\ud560 \uc778\ud130\ub124\uc774\uc2a4\ub97c \uc9c0\uc815\ud55c\ub2e4(\ubcf4\ud1b5\uc740 eth0). -P0 \uc635\uc158\uc740, \uc55e\uc5d0\uc11c \ubcf8 \uac83\ucc98\ub7fc \ud551(ping)\uc2a4\uce94\uc744 \uc218\ud589\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud55c\ub2e4.
 -D \uc635\uc158\ub3c4 \uc2a4\uce94 \uacf5\uaca9\uc758 \ucd9c\ubc1c\uc9c0 \uc8fc\uc18c\ub97c \uc18d\uc77c \uc218 \uc788\ub2e4\ub294 \uba74\uc5d0\uc11c \uc774 \uc635\uc158\uacfc \uc720\uc0ac\ud558\ub2e4.
 -g port : \uae30\ubcf8\uc801\uc73c\ub85c Nmap\uc740 \uc2a4\uce94 \uacf5\uaca9\uc744 \ud558\uae30 \uc704\ud574 \uc784\uc2dc \ud3ec\ud2b8(\uc989, 1024 \uc704\uc758 \ud3ec\ud2b8)\ub97c \uc0ac\uc6a9\ud55c\ub2e4. \ub9ce\uc740 \ubc29\ud654\ubcbd\uc5d0\uc11c\ub294 \uc774 \ud3ec\ud2b8\ub4e4\uc744 \ub9c9\uace0 \uc788\ub2e4. \uadf8\ub807\uc9c0\ub9cc \ubc29\ud654\ubcbd\uc5d0\uc11c \ub0b4\ubd80\ub85c \ub4e4\uc5b4\uc624\ub294 \ud2b8\ub798\ud53d \uc911 \ud2b9\uc815\ud55c \ud3ec\ud2b8(80, 110, 53\uacfc \uac19\uc740)\ub97c \ud5c8\uc6a9\ud560 \ub54c\ub3c4 \ub9ce\ub2e4. \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 \ubc29\ud654\ubcbd\uc5d0\uc11c \ud5c8\uc6a9\ud558\ub294 \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \uadf8\ub798\uc11c \ubc29\ud654\ubcbd\uc744 \ud1b5\uacfc\ud574\uc11c \uc2a4\uce94 \uacf5\uaca9\uc744 \ud560 \uc218 \uc788\ub2e4.<\/p>\n

 * \uc2a4\uce94\uc744 \uacf5\uaca9\ud55c \ucd9c\ubc1c\uc9c0 \uc8fc\uc18c \uc18d\uc774\uae30<\/p>\n

 \ub2f9\uc2e0 \uc2dc\uc2a4\ud15c\uc758 IP \uc8fc\uc18c\uac00 192.168.3.4 \ub77c\uace0 \ud558\uc790. \uadf8\ub7f0\ub370 \ub2f9\uc2e0\uc744 \uc2a4\uce94 \uacf5\uaca9\uc744 \ud560 \ub54c \ucd9c\ubc1c\uc9c0 \uc8fc\uc18c\ub97c 20.20.20.20\uc73c\ub85c \uc18d\uc774\uace0 \uc2f6\ub2e4. \uc774\ub807\uac8c \uc8fc\uc18c\ub97c \uc18d\uc5ec\uc11c pchero\ub77c\ub294 \uc2dc\uc2a4\ud15c\uc744 \uc2a4\uce94\ud558\ub824\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ud55c\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
$ nmap -S 20.20.20.20 -e eth0 -P0 -sS -v pchero<\/div>\n<\/fieldset>\n

 -P0(ping\uc744 \ubcf4\ub0b4\uc9c0 \uc54a\uc74c)\uc640 -sS(TCP SYN \uc2a4\ud154\uc2a4 \ud3ec\ud2b8 \uc2a4\uce94) \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74, Nmap\uc740 ping \ud328\ud0b7\uc744 \ubcf4\ub0b4\uc9c0 \uc54a\uace0 TCP \uae30\ubc18\uc758 \uc2a4\uce94\uc744 \ud55c\ub2e4. -sS \uc635\uc158\uc744 \uc0ac\uc6a9\ud588\uae30 \ub54c\ubb38\uc5d0, \ubc29\ud654\ubcbd\uc5d0\uc11c \uc2a4\uce94\uc744 \ud0d0\uc9c0\ud560 \ud655\ub960\uc774 \ub0ae\uc544\uc9c4\ub2e4. \ubb3c\ub860, \ub9ce\uc740 \ubc29\ud654\ubcbd\uc5d0\uc11c \ucd08\uae30 SYN \ud328\ud0b7\uc744 \ud544\ud130\ub9c1 \ud558\uae34 \ud558\uc9c0\ub9cc.
 \uc2a4\uce94\uc744 \ud560 \ub54c, \ucd9c\ubc1c\uc9c0 \ud3ec\ud2b8\ub97c 53\uc73c\ub85c \ud558\uace0 \uc2f6\ub2e4\uba74 \ub2e4\uc74c \uba85\ub839\uc744 \uc2e4\ud589\ud55c\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
$ nmap -g 53 -S 20.20.20.20 -e eth0 -P0 -sS -v pchero<\/div>\n<\/fieldset>\n

 * \uc2a4\uce94 \uc18d\ub3c4 \uc870\uc808\ud558\uae30<\/p>\n

 \ub9ce\uc740 \uce68\uc785 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294, \ud3ec\ud2b8 \uc2a4\uce94\uc744 \ubc1c\uacac\ud560 \uacbd\uc6b0 \uacbd\uace0\ub97c \ubc1c\uc0dd\uc2dc\ud0a8\ub2e4. \ub2f9\uc2e0\uc740 Nmap\uc758 -T \uc635\uc158\uc744 \uc0ac\uc6a9\ud574\uc11c IDS\ub97c \ud14c\uc2a4\ud2b8 \ud560 \uc218 \uc788\ub2e4. \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74, \ud328\ud0b7\uc744 \uc77c\uc815 \uc2dc\uac04 \uac04\uaca9\uc73c\ub85c \ubcf4\ub0b8\ub2e4. \uc774\ub807\uac8c \uae34 \uc2dc\uac04\uc5d0 \uac78\uccd0\uc11c \uc2a4\uce94\uc744 \uc218\ud589\ud558\uba74, IDS\ub294 \uc2a4\uce94\uc744 \ud310\ub2e8\ud558\uae30\uac00 \uc5b4\ub824\uc6b8 \uac83\uc774\ub2e4.
 \uc774 \uc635\uc158\uc5d0 \uc778\uc790\ub85c \uc62c \uc218 \uc788\ub294 \uac83\uc740 \ub2e4\uc74c\uc758 6\uac1c \uc774\ub2e4.
 paranoid : Nmap\uc774 \ud328\ud0b7\uc744 5\ubd84 \uac04\uaca9\uc73c\ub85c \ubcf4\ub0b4\uac8c \ud55c\ub2e4. paranoid \ub300\uc2e0 \uc22b\uc790 0\uc744 \uc368\ub3c4 \ub41c\ub2e4.
 sneaky : Nmap\uc774 \ud328\ud0b7\uc744 15\ucd08 \uac04\uaca9\uc73c\ub85c \ubcf4\ub0b4\uac8c \ud55c\ub2e4. sneaky \ub300\uc2e0 \uc22b\uc790 1\uc744 \uc368\ub3c4 \ub41c\ub2e4.
 plite : Nmap\uc774 \ud328\ud0b7\uc744 0.4\ucd08 \uac04\uaca9\uc73c\ub85c \ubcf4\ub0b4\uac8c \ud55c\ub2e4. polite \ub300\uc2e0 \uc22b\uc790 2\ub97c \uc368\ub3c4 \ub41c\ub2e4.
 normal : \uae30\ubcf8 \uc124\uc815\uc73c\ub85c, \ubaa9\uc801\uc9c0 \ud638\uc2a4\ud2b8\ub85c\ubd80\ud130 \uc751\ub2f5\uc744 \ubc1b\ub294 \uc989\uc2dc \ub2e4\ub978 \ud328\ud0b7\uc744 \ubcf4\ub0b8\ub2e4. normal \ub300\uc2e0 \uc22b\uc790 3\uc744 \uc368\ub3c4 \ub41c\ub2e4.
 aggressive\uc640 insane : \uc774 \uc635\uc158\ub4e4\uc744 \uc0ac\uc6a9\ud558\uba74 \uc2a4\uce94\uc744 \ube60\ub974\uac8c \uc218\ud589\ud560 \uc218 \uc788\ub2e4. \uadf8\ub798\uc11c \ud551(ping)\uc774\ub098 \ud3ec\ud2b8 \uc2a4\uce94\uc744 \ube60\ub974\uac8c \ud558\uace0\uc790 \ud560 \ub54c\ub294 \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \uadf8\ub807\uc9c0\ub9cc \uc774 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 \ub108\ubb34 \ub9ce\uc740 \ud2b8\ub798\ud53d\uc744 \ubc1c\uc0dd\uc2dc\ucf1c\uc11c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ub9ce\uc740 \ubd80\ub2f4\uc744 \uc900\ub2e4\ub294 \uac83\uc744 \uc5fc\ub450\uc5d0 \ub450\uae30 \ubc14\ub780\ub2e4. aggressive \ub300\uc2e0 \uc22b\uc790 4\ub97c \uc0ac\uc6a9\ud574\ub3c4 \ub418\uace0, insane \ub300\uc2e0 \uc22b\uc790 5\ub97c \uc0ac\uc6a9\ud574\ub3c4 \ub41c\ub2e4.<\/p>\n

 * Paranoid \uc635\uc158\uc73c\ub85c \uc2a4\uce94\ud558\uae30.<\/p>\n

 \ud2b9\uc815 \ud638\uc2a4\ud2b8\uc5d0 \ub300\ud574 paranoid \uc2a4\uce94\uc744 \ud558\ub824\uba74, \ub2e4\uc74c \uba85\ub839\uc744 \uc2e4\ud589\ud55c\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
$ nmap -S 20.20.20.20 -e eth0 -P0 -sS -v T paranoid pchero<\/div>\n<\/fieldset>\n

 \uc774 \uc2a4\uce94\uc740 \uc2dc\uac04\uc774 \ub9ce\uc774 \uac78\ub9b0\ub2e4\ub294 \uac83\uc744 \uc54c\uc544\ub450\uc790. \uc65c\ub0d0\ud558\uba74, paranoid \uc635\uc158\uc740 \ud328\ud0b7\uc744 5\ubd84 \uac04\uaca9\uc73c\ub85c \ubcf4\ub0b4\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
– \ub2f9\uc2e0\uc774 Nmap\uc744 \uc2e4\ud589\ud560 \ub54c, \uc2a4\uce94\uc774 \ub05d\ub0a0 \ub54c\uae4c\uc9c0 \ub9ce\uc740 \uc2dc\uac04\uc774 \uac78\ub9b4 \uacbd\uc6b0\uac00 \uc788\uc744 \uac83\uc774\ub2e4. \ubcf4\ud1b5, \uc774\ub807\uac8c \ub418\ub294 \uc774\uc720\ub294 \ub2f9\uc2e0\uc774 Nmap\uc5d0\uc11c \uc77c\uc815 \uc2dc\uac04\uc744 \uae30\ub2e4\ub9ac\ub77c\ub294 \uc635\uc158\uc744 \uc92c\uae30 \ub54c\ubb38\uc774\ub2e4. \ub54c\ub54c\ub85c, \ub2f9\uc2e0\uacfc \uc2a4\uce94 \ub300\uc0c1\uc774 \ub418\ub294 \ud638\uc2a4\ud2b8 \uc0ac\uc774\uc5d0 \uc788\ub294 \ubc29\ud654\ubcbd\uc774\ub098 \ub77c\uc6b0\ud130 \ub54c\ubb38\uc5d0 \uc2a4\uce94\uc774 \ub290\ub824\uc9c0\uae30\ub3c4 \ud55c\ub2e4. \ub2f9\uc2e0\uc774 Nmap\uc744 \uc0ac\uc6a9\ud560 \ub54c \uc5ec\ub7ec \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uac70\ub098, \ub610\ub294 \uc5ec\ub7ec \uc6d0\uaca9\uc9c0 \uc2dc\uc2a4\ud15c\uc744 \uc2a4\uce94\ud55c\ub2e4\uba74, \uc2a4\uce94\ud558\ub294\ub370 \uba87 \ubd84\uc774 \uac78\ub9b4 \uac83\uc774\ub2e4.<\/div>\n<\/fieldset>\n

 * Nmap\uc744 \ub300\ud654\ud615(interactive)\ubaa8\ub4dc\uc5d0\uc11c \uc0ac\uc6a9<\/p>\n

 \uc9c0\uae08\uae4c\uc9c0, \ub2f9\uc2e0\uc740 Nmap\uc744 \uc0ac\uc6a9\ud574\uc11c \ud558\ub098\uc758 \uba85\ub839\ub9cc\uc744 \uc2e4\ud589\ud588\ub2e4. Nmap\uc758 \ub300\ud654\ud615(interactive) \ubaa8\ub4dc\ub97c \uc0ac\uc6a9\ud558\uba74, \ub2e4\uc74c\uacfc \uac19\uc740 \ub450 \uac00\uc9c0 \uc77c\uc744 \ud560 \uc218 \uc788\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
– \uc5ec\ub7ec Nmap \uc2a4\uce94\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub2e4.
\n – \uc2dc\uc2a4\ud15c\uc5d0\uc11c Nmap\uc774 \uc2e4\ud589\uc911\uc774\ub77c\ub294 \uac83\uc744 \uc228\uae38 \uc218 \uc788\ub2e4. \uc774 \ubaa8\ub4dc\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc2a4\ud478\ud551 \uae30\ub2a5\uc744 \uc774\uc6a9\ud558\uba74, Nmap\uc744 \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8(vi, named, sendmail \ub4f1)\uc778 \uac83\ucc98\ub7fc \uc18d\uc77c \uc218 \uc788\ub2e4.<\/div>\n<\/fieldset>\n

 Nmap\uc744 \ub300\ud654\ud615 \ubaa8\ub4dc\ub85c \uc2e4\ud589\ud558\ub824\uba74 \ub2e4\uc74c \uba85\ub839\uc744 \uc2e4\ud589\ud55c\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
$ nmap –interactive<\/div>\n<\/fieldset>\n

 \uadf8\ub7ec\uba74 \ub2f9\uc2e0\uc740 \ub2e4\uc74c \ud504\ub86c\ud504\ud2b8\ub97c \ubcf4\uac8c \ub420 \uac83\uc774\ub2e4.<\/p>\n

\n(Language : xml)<\/span><\/legend>\n
nmap><\/div>\n<\/fieldset>\n

 \uc5ec\uae30\uc11c, \ub2f9\uc2e0\uc740 Nmap \uba85\ub839\ub4e4\uc744 \uc2e4\ud589\ud560 \uc218 \uc788\ub2e4.
 \ub300\ud654\ud615 \ubaa8\ub4dc\ub294 paranoid \uc635\uc158\uc744 \uc0ac\uc6a9\ud560 \ub54c \ub9e4\uc6b0 \uc720\uc6a9\ud558\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2f9\uc2e0\uc740 \uba87 \uac1c\uc758 paranoid \uc2a4\uce94\uc744 \ub3d9\uc2dc\uc5d0 \uc9c4\ud589\ud560 \uc218 \uc788\ub2e4. \uc774 \uc791\uc5c5\uc740 \uba70\uce60\uc774 \uac78\ub9b4\uc9c0 \ubaa8\ub974\ub294 \uc77c\uc774\ub2e4. \uadf8\ub798\uc11c \uc774\uac83\uc744 \ubc31\uadf8\ub77c\uc6b4\ub4dc\uc5d0\uc11c \uc2e4\ud589\ud55c \ub2e4\uc74c, \ub098\uc911\uc5d0 \uc2a4\uce94\uc774 \ub05d\ub0ac\uc744 \ub54c \uacb0\uacfc \ud30c\uc77c\ub9cc \ud655\uc778\ud558\uba74 \ub41c\ub2e4. \uc774\ub7f0 \uc2a4\uce94\uc744 \ud558\ub824\uba74 \uc0c1\ub2f9\ud788 \uc624\ub79c \uc2dc\uac04\uc774 \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc5d0, \ud574\ucee4\uc758 \uc785\uc7a5\uc5d0\uc11c\ub294 \uc2a4\uce94\uc744 \uc218\ud589\ud558\ub294 \ud504\ub85c\uc138\uc2a4\ub97c \uc228\uae38 \ud544\uc694\uac00 \uc788\ub2e4. \uc2dc\uc2a4\ud15c \uad00\ub9ac\uc790\ub4e4\uc740, Nmap\uc758 \ub300\ud654\ud615 \ubaa8\ub4dc\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc2a4\ud478\ud551 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud560 \uc77c\uc740 \uc5c6\uc744 \uac83\uc774\ub2e4.
 \uadf8\ub807\uc9c0\ub9cc \uad00\ub9ac\uc790\ub4e4\uc740 \uac89\uc73c\ub85c\ub294 \uc815\uc0c1\uc801\uc778 \uac83\ucc98\ub7fc \ubcf4\uc774\ub294 \ud504\ub85c\uc138\uc2a4\ub3c4 Nmap \ud504\ub85c\uc138\uc2a4\uc77c \uac00\ub2a5\uc131\uc774 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc54c\uc544\ub46c\uc57c \ud55c\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

 * Nmap \uc0ac\uc6a9\ud558\uae30  * \ub2f9\uc2e0\uc740 Nmap\uc744 \ub124\ud2b8\uc6cd\uc5d0 \uce68\uc785\ud558\ub294 \ub3c4\uad6c\ub85c \uc0dd\uac01\ud560 \uc9c0\ub3c4 \ubaa8\ub978\ub2e4. \ucc98\uc74c\uc5d0 Nmap\uc774 \ub098\uc654\uc744 \ub54c\ub294, \uc774 \ud234\uc740 \ud574\ud0b9 \ud234\ub85c \uc0ac\uc6a9\ub410\uc9c0\ub9cc, \uace7 IT \uc804\ubb38\uac00\ub3c4 \uc774 \ud234\uc744 \uc0ac\uc6a9\ud558\uae30 \uc2dc\uc791\ud588\ub2e4. \uc65c\ub0d0\ud558\uba74,  \uc774 \ud234\uc740 \ub124\ud2b8\uc6cd\uc5d0 \ub300\ud55c \ud6cc\ub96d\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud574 \uc8fc\uae30 \ub54c\ubb38\uc774\ub2e4. IT\uc804\ubb38\uac00\uac00 \uc774\ud234\uc744 … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[63],"tags":[283,284],"_links":{"self":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/607"}],"collection":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=607"}],"version-history":[{"count":0,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/607\/revisions"}],"wp:attachment":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=607"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}