{"id":478470,"date":"2023-08-09T09:33:22","date_gmt":"2023-08-09T09:33:22","guid":{"rendered":""},"modified":"2023-09-05T11:16:49","modified_gmt":"2023-09-05T11:16:49","slug":"port-mirroring","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/port-mirroring\/","title":{"rendered":"\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1"},"content":{"rendered":"<p>SPAN(\uc2a4\uc704\uce58 \ud3ec\ud2b8 \ubd84\uc11d\uae30)\uc774\ub77c\uace0\ub3c4 \ud558\ub294 \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc740 \ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58\uc758 \ud55c \ud3ec\ud2b8\uc5d0\uc11c \ubaa8\ub2c8\ud130\ub9c1 \ub3c4\uad6c\uac00 \ub370\uc774\ud130\ub97c \ubd84\uc11d\ud558\uace0 \uac80\uc0ac\ud560 \uc218 \uc788\ub294 \ub2e4\ub978 \ud3ec\ud2b8\ub85c \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc744 \ubcf5\uc0ac\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \ub124\ud2b8\uc6cc\ud06c \ubaa8\ub2c8\ud130\ub9c1 \uae30\uc220\uc785\ub2c8\ub2e4. \uc774 \uac15\ub825\ud55c \ubc29\ubc95\uc744 \ud1b5\ud574 \uad00\ub9ac\uc790\ub294 \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc5d0 \ub300\ud55c \ud5a5\uc0c1\ub41c \uac00\uc2dc\uc131\uc744 \ud655\ubcf4\ud558\uace0 \ubb38\uc81c \ud574\uacb0, \ubcf4\uc548 \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \uc131\ub2a5 \ubd84\uc11d\uc5d0 \ub3c4\uc6c0\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc758 \uc720\ub798\uc640 \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac<\/h2>\n<p>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc758 \uac1c\ub150\uc740 \ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58\uac00 \uae30\uc874 \ud5c8\ube0c\ubcf4\ub2e4 \uc778\uae30\ub97c \uc5bb\uae30 \uc2dc\uc791\ud55c 1990\ub144\ub300 \ucd08\ubc18\uc73c\ub85c \uac70\uc2ac\ub7ec \uc62c\ub77c\uac11\ub2c8\ub2e4. \ucc98\uc74c\uc5d0 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\ub294 \ud2b9\uc815 \ud3ec\ud2b8\ub97c \ud1b5\uacfc\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0 \ucea1\ucc98\ud558\ub294 \ub370 \uc5b4\ub824\uc6c0\uc744 \uacaa\uc5c8\uc2b5\ub2c8\ub2e4. \uc2a4\uc704\uce58 \ub124\ud2b8\uc6cc\ud06c\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \uc194\ub8e8\uc158\uc758 \ud544\uc694\uc131\uc73c\ub85c \uc778\ud574 \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc774 \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc5d0 \ub300\ud55c \uccab \ubc88\uc9f8 \uc5b8\uae09\uc740 2000\ub144 5\uc6d4\uc5d0 \uac8c\uc2dc\ub41c &quot;\uc6d0\uaca9 \ub124\ud2b8\uc6cc\ud06c \ubaa8\ub2c8\ud130\ub9c1 \uad00\ub9ac \uc815\ubcf4 \ubca0\uc774\uc2a4&quot;(RFC 2819)\ub77c\ub294 \uc81c\ubaa9\uc758 IETF(Internet Engineering Task Force) \ubb38\uc11c\uc5d0\uc11c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 RMON(\uc6d0\uaca9 \ub124\ud2b8\uc6cc\ud06c \ubaa8\ub2c8\ud130\ub9c1) \ubc0f \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc5d0 \ud544\uc694\ud55c \ud544\uc218 \uad6c\uc131 \uc694\uc18c\ub97c \uc124\uba85\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4: \uc8fc\uc81c \ud655\uc7a5<\/h2>\n<p>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc5d0\ub294 \ud558\ub098 \uc774\uc0c1\uc758 \uc18c\uc2a4 \ud3ec\ud2b8\uc5d0\uc11c \uc9c0\uc815\ub41c \ub300\uc0c1 \ud3ec\ud2b8\ub85c \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc744 \ubcf5\uc81c\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c \ud328\ud0b7 \ubd84\uc11d\uae30, IDS(\uce68\uc785 \uac10\uc9c0 \uc2dc\uc2a4\ud15c) \ubc0f \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ube0c\uc640 \uac19\uc740 \ubaa8\ub2c8\ud130\ub9c1 \uc7a5\uce58\uac00 \ub370\uc774\ud130\ub97c \ucea1\ucc98\ud558\uace0 \ubd84\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\ub294 \ub124\ud2b8\uc6cc\ud06c \ub3d9\uc791\uc5d0 \ub300\ud55c \uc911\uc694\ud55c \ud1b5\ucc30\ub825\uc744 \uc5bb\uace0 \uc7a0\uc7ac\uc801\uc778 \ubb38\uc81c, \ubcf4\uc548 \uc704\ud611 \ubc0f \uc131\ub2a5 \ubcd1\ubaa9 \ud604\uc0c1\uc744 \uc2dd\ubcc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc758 \ub0b4\ubd80 \uad6c\uc870: \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1 \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n<p>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc740 \uc774 \uae30\ub2a5\uc744 \uad00\ub9ac\ud558\uae30 \uc704\ud55c \uc804\uc6a9 ASIC(Application-Specific Integrated Circuit)\uc774 \uc788\ub294 \ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58 \ub0b4\uc5d0\uc11c \uad6c\ud604\ub429\ub2c8\ub2e4. \uc2a4\uc704\uce58\uc5d0\uc11c \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc774 \ud65c\uc131\ud654\ub418\uba74 ASIC\uc740 \uc18c\uc2a4 \ud3ec\ud2b8\ub85c \ud5a5\ud558\ub294 \ud328\ud0b7\uc744 \ubcf5\uc81c\ud558\uc5ec \ub300\uc0c1 \ud3ec\ud2b8\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc18c\uc2a4 \ubc0f \ub300\uc0c1 \ud3ec\ud2b8\ub294 \ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c\uc5d0 \ub530\ub77c \ub3d9\uc77c\ud55c \uc2a4\uc704\uce58\uc5d0 \uc788\uc744 \uc218\ub3c4 \uc788\uace0 \ub2e4\ub978 \uc2a4\uc704\uce58\uc5d0 \uc788\uc744 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc740 \uc2a4\uc704\uce58\uc758 \uba85\ub839\uc904 \uc778\ud130\ud398\uc774\uc2a4(CLI) \ub610\ub294 \uadf8\ub798\ud53d \uad00\ub9ac \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud574 \uad6c\uc131\ub429\ub2c8\ub2e4. \uad00\ub9ac\uc790\ub294 \ud2b9\uc815 \ud3ec\ud2b8\ub098 VLAN\uc758 \ud2b8\ub798\ud53d\uc744 \ubbf8\ub7ec\ub9c1\ud558\uc5ec \uad00\ub828 \ub370\uc774\ud130\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc758 \uc8fc\uc694 \uae30\ub2a5 \ubd84\uc11d<\/h2>\n<p>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc758 \uc8fc\uc694 \uae30\ub2a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ud5a5\uc0c1\ub41c \ub124\ud2b8\uc6cc\ud06c \uac00\uc2dc\uc131:<\/strong> \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc744 \ud1b5\ud574 \uad00\ub9ac\uc790\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\uacfc\ud558\ub294 \uc2e4\uc81c \ud2b8\ub798\ud53d\uc744 \uac80\uc0ac\ud558\uc5ec \uc0ac\uc6a9\uc790 \ud589\ub3d9, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc0ac\uc6a9 \ubc0f \uc7a0\uc7ac\uc801\uc778 \ubcf4\uc548 \uce68\ud574\uc5d0 \ub300\ud55c \ud1b5\ucc30\ub825\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc2e4\uc2dc\uac04 \ubaa8\ub2c8\ud130\ub9c1:<\/strong> \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud568\uc73c\ub85c\uc368 \uad00\ub9ac\uc790\ub294 \ubcf4\uc548 \uc0ac\uace0 \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc774\uc0c1 \uc0c1\ud669\uc5d0 \uc2e0\uc18d\ud558\uac8c \ub300\uc751\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ubb38\uc81c \ud574\uacb0 \ubc0f \uc9c4\ub2e8:<\/strong> \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc740 \ud328\ud0b7 \uc190\uc2e4, \ub300\uae30 \uc2dc\uac04, \uad6c\uc131 \uc624\ub958 \ub4f1\uc758 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \uc9c4\ub2e8\ud558\uace0 \ud574\uacb0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ubcf4\uc548 \ubd84\uc11d:<\/strong> IDS \ubc0f IPS(\uce68\uc785 \ubc29\uc9c0 \uc2dc\uc2a4\ud15c)\uc640 \uac19\uc740 \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548 \ub3c4\uad6c\ub294 \ubbf8\ub7ec\ub9c1\ub41c \ud2b8\ub798\ud53d\uc744 \ubd84\uc11d\ud558\uc5ec \uc7a0\uc7ac\uc801\uc778 \uc704\ud611\uc744 \uac10\uc9c0\ud558\uace0 \uc644\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc131\ub2a5 \ucd5c\uc801\ud654:<\/strong> \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc744 \ud1b5\ud574 \uc5bb\uc740 \ub370\uc774\ud130\ub97c \ud1b5\ud574 \uad00\ub9ac\uc790\ub294 \uc131\ub2a5 \ubcd1\ubaa9 \ud604\uc0c1\uc744 \uc2dd\ubcc4\ud558\uace0 \ud574\uacb0\ud558\uc5ec \ucd5c\uc801\uc758 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1 \uc720\ud615<\/h2>\n<p>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc740 \uc138 \uac00\uc9c0 \uc8fc\uc694 \uc720\ud615\uc73c\ub85c \ubd84\ub958\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ub85c\uceec \ubbf8\ub7ec\ub9c1<\/td>\n<td>\ub3d9\uc77c\ud55c \uc2a4\uc704\uce58 \ub0b4\uc758 \ud558\ub098 \uc774\uc0c1\uc758 \ud3ec\ud2b8\uc5d0\uc11c \ubaa8\ub2c8\ud130\ub9c1 \ud3ec\ud2b8\ub85c \ud2b8\ub798\ud53d\uc744 \ubbf8\ub7ec\ub9c1\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc6d0\uaca9 \ubbf8\ub7ec\ub9c1<\/td>\n<td>\uc18c\uc2a4 \uc2a4\uc704\uce58\uc758 \ud2b8\ub798\ud53d\uc744 \ub2e4\ub978 \uc2a4\uc704\uce58\uc5d0 \uc788\ub294 \ubaa8\ub2c8\ud130\ub9c1 \ud3ec\ud2b8\ub85c \ubbf8\ub7ec\ub9c1\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ucea1\uc290\ud654\ub41c \ubbf8\ub7ec\ub9c1<\/td>\n<td>GRE(Generic Routing Encapsulation) \ud130\ub110\uc5d0\uc11c \ubbf8\ub7ec\ub9c1\ub41c \ud2b8\ub798\ud53d\uc744 \ucea1\uc290\ud654\ud558\uace0 \uc2a4\uc704\uce58 \uc678\ubd80\uc758 \ubaa8\ub2c8\ud130\ub9c1 \ub3c4\uad6c\ub85c \uc804\ub2ec\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1 \uc0ac\uc6a9 \ubc29\ubc95, \ubb38\uc81c \ubc0f \ud574\uacb0 \ubc29\ubc95<\/h2>\n<h3>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95<\/h3>\n<ol>\n<li>\n<p><strong>\ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d \ubd84\uc11d:<\/strong> \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc744 \ud1b5\ud574 \uc2ec\uce35\uc801\uc778 \ud328\ud0b7 \uac80\uc0ac \ubc0f \ubd84\uc11d\uc744 \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \uc2dd\ubcc4\ud558\uace0 \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ubcf4\uc548 \ubaa8\ub2c8\ud130\ub9c1:<\/strong> \ubbf8\ub7ec\ub9c1\ub41c \ud2b8\ub798\ud53d\uc740 \ubcf4\uc548 \ub3c4\uad6c\ub97c \ud1b5\ud574 \uba74\ubc00\ud788 \uc870\uc0ac\ub418\uc5b4 \uc0ac\uc774\ubc84 \uc704\ud611\uc744 \ud0d0\uc9c0\ud558\uace0 \uc644\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub300\uc5ed\ud3ed \uc0ac\uc6a9\ub7c9 \ubd84\uc11d:<\/strong> \ub300\uc5ed\ud3ed \uc0ac\uc6a9\ub960\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\uace0 \uc7a0\uc7ac\uc801\uc778 \ubcd1\ubaa9 \ud604\uc0c1\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uaddc\uc815 \uc900\uc218 \ubc0f \ubc95\uc758\ud559:<\/strong> \uaddc\uc815 \uc900\uc218 \ubc0f \ud3ec\ub80c\uc2dd \uc870\uc0ac\ub97c \uc704\ud574 \ub124\ud2b8\uc6cc\ud06c \ub370\uc774\ud130\ub97c \ucea1\ucc98\ud558\uace0 \ubcf4\uad00\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h3>\ubb38\uc81c \ubc0f \ud574\uacb0 \ubc29\ubc95<\/h3>\n<ol>\n<li>\n<p><strong>\uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5:<\/strong> \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc744 \uacfc\ub3c4\ud558\uac8c \uc0ac\uc6a9\ud558\uba74 \uc2a4\uc704\uce58 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub97c \uc644\ud654\ud558\ub824\uba74 \uc120\ud0dd\uc801 \ubbf8\ub7ec\ub9c1 \ubc0f \uc804\uc6a9 \ubaa8\ub2c8\ud130\ub9c1 \uc2a4\uc704\uce58\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<\/li>\n<li>\n<p><strong>\ubcf4\uc548 \ubc0f \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638 \ubb38\uc81c:<\/strong> \ubbf8\ub7ec\ub9c1\ub41c \ud2b8\ub798\ud53d\uc5d0\ub294 \uc911\uc694\ud55c \uc815\ubcf4\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub300\uc0c1 \ud3ec\ud2b8\uc5d0 \ub300\ud55c \uc554\ud638\ud654 \ubc0f \uc561\uc138\uc2a4 \uc81c\uc5b4\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uad6c\uc131 \ubcf5\uc7a1\uc131:<\/strong> \ub300\uaddc\ubaa8 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc744 \uad6c\uc131\ud558\ub294 \uac83\uc740 \ubcf5\uc7a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e8\uc21c\ud654\ub41c \uad6c\uc131\uc744 \uc704\ud574 \uc911\uc559 \uc9d1\uc911\uc2dd \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uc720\uc0ac \uc6a9\uc5b4\uc640\uc758 \ube44\uad50<\/h2>\n<table>\n<thead>\n<tr>\n<th>\ud2b9\uc131<\/th>\n<th>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1<\/th>\n<th>\ub124\ud2b8\uc6cc\ud06c TAP(\ud14c\uc2a4\ud2b8 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ubaa9\uc801<\/td>\n<td>\ubaa8\ub2c8\ud130\ub9c1 \ubc0f \ubd84\uc11d\uc744 \uc704\ud55c \ud2b8\ub798\ud53d \ubcf5\uc81c<\/td>\n<td>\ub124\ud2b8\uc6cc\ud06c \ub370\uc774\ud130\ub97c \uc9c1\uc811 \ubcf5\uc0ac\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uce68\uc785\uc131<\/td>\n<td>\uad50\ud1b5 \ud750\ub984\uc744 \ubc29\ud574\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c \ubc29\ud574\uac00 \ucd5c\uc18c\ud654\ub429\ub2c8\ub2e4.<\/td>\n<td>\uc644\uc804\ud788 \uc218\ub3d9\uc801\uc774\uba70 \ud2b8\ub798\ud53d\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc804\uac1c<\/td>\n<td>\ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58 \ub0b4\uc5d0 \uad6c\ud604\ub428<\/td>\n<td>\ub124\ud2b8\uc6cc\ud06c\uc758 \uc678\ubd80 \uc7a5\uce58<\/td>\n<\/tr>\n<tr>\n<td>\uc720\uc5f0\uc131<\/td>\n<td>\uc2a4\uc704\uce58 \uae30\ub2a5 \ubc0f \uad6c\uc131\uc73c\ub85c \uc81c\ud55c\ub428<\/td>\n<td>\ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c\ub97c \ud1b5\uacfc\ud558\ub294 \ubaa8\ub4e0 \ud2b8\ub798\ud53d\uc5d0 \uc811\uadfc \uac00\ub2a5<\/td>\n<\/tr>\n<tr>\n<td>\ubcf4\uc548 \uc601\ud5a5<\/td>\n<td>\uc7a0\uc7ac\uc801\uc73c\ub85c \uacf5\uaca9 \ud45c\uba74 \uc99d\uac00<\/td>\n<td>\ubcf4\uc548\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc74c<\/td>\n<\/tr>\n<tr>\n<td>\uc0ac\uc6a9 \uc0ac\ub840<\/td>\n<td>\uc2e4\uc2dc\uac04 \ubd84\uc11d, \ubcf4\uc548 \ubaa8\ub2c8\ud130\ub9c1, \ubb38\uc81c \ud574\uacb0<\/td>\n<td>\ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c \ud574\uacb0, \ubcf4\uc548 \ubaa8\ub2c8\ud130\ub9c1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud3ec\ud2b8\ubbf8\ub7ec\ub9c1\uacfc \uad00\ub828\ub41c \ubbf8\ub798\uc758 \uad00\uc810\uacfc \uae30\uc220<\/h2>\n<p>\ub124\ud2b8\uc6cc\ud06c\uac00 \uacc4\uc18d \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \ub124\ud2b8\uc6cc\ud06c \uac00\uc2dc\uc131\uacfc \ubcf4\uc548\uc758 \uc911\uc694\uc131\uc740 \uc5ec\uc804\ud788 \uac00\uc7a5 \uc911\uc694\ud569\ub2c8\ub2e4. \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uacfc \uad00\ub828\ub41c \ubbf8\ub798 \uae30\uc220\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ud558\ub4dc\uc6e8\uc5b4 \uac00\uc18d:<\/strong> \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc774\uace0 \ud655\uc7a5 \uac00\ub2a5\ud55c \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc744 \uc704\ud55c \ud2b9\uc218 ASIC \ubc0f \ud558\ub4dc\uc6e8\uc5b4.<\/p>\n<\/li>\n<li>\n<p><strong>AI \uae30\ubc18 \ubd84\uc11d:<\/strong> \uc778\uacf5 \uc9c0\ub2a5 \ubc0f \uae30\uacc4 \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998\uc744 \ud65c\uc6a9\ud558\uc5ec \uc704\ud611 \ud0d0\uc9c0 \ubc0f \ub124\ud2b8\uc6cc\ud06c \ucd5c\uc801\ud654\ub97c \uc790\ub3d9\ud654\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uace0\uae09 \ud544\ud130\ub9c1 \ubc0f \ud328\ud0b7 \uc218\uc815:<\/strong> \ud2b9\uc815 \uae30\uc900\uc5d0 \ub530\ub77c \ubbf8\ub7ec\ub9c1\ub41c \ud2b8\ub798\ud53d\uc744 \ud544\ud130\ub9c1\ud558\uace0 \uc218\uc815\ud558\ub294 \uae30\ub2a5\uc774 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uacfc \uc0ac\uc6a9\ud558\uac70\ub098 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95<\/h2>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\uc640 \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc740 \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548 \ubc0f \ubaa8\ub2c8\ud130\ub9c1 \uae30\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \uc788\uc5b4\uc11c \uc11c\ub85c\ub97c \ubcf4\uc644\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uacfc \ud1b5\ud569\ud558\uc5ec \ub2e4\uc74c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ud5a5\uc0c1\ub41c \ucf58\ud150\uce20 \ud544\ud130\ub9c1:<\/strong> \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc6f9 \ucf58\ud150\uce20\ub97c \ud544\ud130\ub9c1\ud558\uace0 \ubd84\uc11d\ud558\uc5ec \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc73c\ub85c \uc218\ud589\ub418\ub294 \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d \ubd84\uc11d\uc744 \ubcf4\uc644\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc0ac\uc6a9\uc790 \ud65c\ub3d9 \ubaa8\ub2c8\ud130\ub9c1:<\/strong> \ud504\ub85d\uc2dc \ub85c\uadf8\ub294 \ubbf8\ub7ec\ub9c1\ub41c \ud2b8\ub798\ud53d\uacfc \uc0c1\ud638 \ucc38\uc870\ub418\uc5b4 \uc0ac\uc6a9\uc790 \ud589\ub3d9 \ubc0f \uc778\ud130\ub137 \uc0ac\uc6a9\uc5d0 \ub300\ud55c \ub354 \uae4a\uc740 \ud1b5\ucc30\ub825\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ubcf4\uc548 \uc704\ud611 \uac10\uc9c0:<\/strong> \ud504\ub85d\uc2dc \uc11c\ubc84 \ub85c\uadf8\ub97c \ubbf8\ub7ec\ub9c1\ub41c \ud2b8\ub798\ud53d\uacfc \uacb0\ud569\ud558\uba74 \uc7a0\uc7ac\uc801\uc778 \ubcf4\uc548 \uc704\ud611\uc5d0 \ub300\ud55c \ud3ec\uad04\uc801\uc778 \ubcf4\uae30\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<p>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c \ub9ac\uc18c\uc2a4\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n<ol>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc2819\" target=\"_new\" rel=\"noopener nofollow\">RFC 2819 \u2013 \uc6d0\uaca9 \ub124\ud2b8\uc6cc\ud06c \ubaa8\ub2c8\ud130\ub9c1 \uad00\ub9ac \uc815\ubcf4 \ubca0\uc774\uc2a4<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/switches\/catalyst-6500-series-switches\/10570-41.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco: SPAN, RSPAN \ubc0f ERSPAN \uc774\ud574<\/a><\/li>\n<li><a href=\"https:\/\/www.networkcomputing.com\/data-centers\/basics-port-mirroring\" target=\"_new\" rel=\"noopener nofollow\">\ub124\ud2b8\uc6cc\ud06c \ucef4\ud4e8\ud305: \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc758 \uae30\ubcf8<\/a><\/li>\n<\/ol>\n<p>\ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc740 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ub300\ud55c \uc911\uc694\ud55c \ud1b5\ucc30\ub825\uc744 \uc5bb\uace0 \ubcf4\uc548\uc744 \uac15\ud654\ud558\uba70 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub824\ub294 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\uc5d0\uac8c \uc720\uc6a9\ud55c \ub3c4\uad6c\ub77c\ub294 \uc810\uc744 \uae30\uc5b5\ud558\uc2ed\uc2dc\uc624. \ub124\ud2b8\uc6cc\ud06c\uac00 \uc9c0\uc18d\uc801\uc73c\ub85c \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \ud3ec\ud2b8 \ubbf8\ub7ec\ub9c1\uc740 \ud6a8\uc728\uc801\uc774\uace0 \uc548\uc804\ud55c \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \uacc4\uc18d\ud574\uc11c \uc911\ucd94\uc801\uc778 \uc5ed\ud560\uc744 \ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>","protected":false},"featured_media":478471,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478470","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Port Mirroring: Enhancing Network Visibility and Security<\/mark>","faq_items":[{"question":"What is port mirroring, and why is it important for networks?","answer":"<p>Port mirroring, also known as SPAN (Switched Port Analyzer), is a network monitoring technique that involves copying network traffic from one port on a network switch to another port for analysis. It provides enhanced visibility into network traffic, aiding in troubleshooting, security monitoring, and performance analysis. Port mirroring is crucial for networks as it allows administrators to identify potential issues, security threats, and performance bottlenecks, ensuring optimal network performance and security.<\/p>"},{"question":"How did port mirroring originate, and when was it first mentioned?","answer":"<p>The concept of port mirroring emerged in the early 1990s with the increasing popularity of network switches over traditional hubs. The need to monitor switched networks led to the development of port mirroring. The first mention of port mirroring can be traced back to an Internet Engineering Task Force (IETF) document titled \"Remote Network Monitoring Management Information Base\" (RFC 2819) published in May 2000, which introduced the concept of Remote Network Monitoring (RMON) and outlined the essential components required for port mirroring.<\/p>"},{"question":"How does port mirroring work within network switches?","answer":"<p>Port mirroring is implemented within network switches using dedicated Application-Specific Integrated Circuits (ASICs) to manage this functionality. When enabled, the ASIC duplicates packets from source ports and forwards them to a designated destination port for monitoring. This allows administrators to capture and analyze network traffic in real-time, gaining crucial insights into network behavior, security threats, and performance issues.<\/p>"},{"question":"What are the key features of port mirroring?","answer":"<p>The key features of port mirroring include enhanced network visibility, real-time monitoring, troubleshooting and diagnostics, security analysis, and performance optimization. Administrators can use port mirroring to gain deep packet inspection and analyze traffic, respond promptly to security incidents, diagnose and resolve network issues, and optimize network performance.<\/p>"},{"question":"What are the different types of port mirroring?","answer":"<p>Port mirroring can be classified into three main types:<\/p><ol><li>Local Mirroring: Mirrors traffic from one or more ports within the same switch to a monitoring port.<\/li><li>Remote Mirroring: Mirrors traffic from a source switch to a monitoring port located on a different switch.<\/li><li>Encapsulated Mirroring: Involves encapsulating mirrored traffic in a GRE tunnel and forwarding it to a monitoring tool outside the switch.<\/li><\/ol>"},{"question":"How can port mirroring be used, and what are the common problems and solutions?","answer":"<p>Port mirroring can be used for network traffic analysis, security monitoring, bandwidth usage analysis, compliance, and forensics. However, excessive use of port mirroring can impact switch performance, leading to potential security and privacy concerns. To address these issues, administrators should use selective mirroring, dedicated monitoring switches, encryption, and access controls for the destination port.<\/p>"},{"question":"How does port mirroring compare with Network TAPs (Test Access Points)?","answer":"<p>Port mirroring involves traffic replication for monitoring and analysis within network switches, while Network TAPs are external devices that directly copy network data. Port mirroring is minimally intrusive, as it doesn't interfere with traffic flow, while TAPs are completely passive. Both have their unique use cases, with port mirroring primarily used for real-time analysis and security monitoring, while TAPs are commonly used for network troubleshooting and monitoring.<\/p>"},{"question":"What are the future technologies related to port mirroring?","answer":"<p>The future of port mirroring may involve hardware acceleration with specialized ASICs, AI-driven analysis for automated threat detection, and advanced filtering and packet modification capabilities. These advancements will further enhance network visibility and security in evolving network environments.<\/p>"},{"question":"How can proxy servers be associated with port mirroring?","answer":"<p>Proxy servers and port mirroring can work together to enhance network security and monitoring. By integrating proxy servers with port mirroring, administrators can achieve enhanced content filtering, monitor user activity, and detect security threats more comprehensively.<\/p>"},{"question":"Where can I find more information about port mirroring?","answer":"<p>For more information about port mirroring, you can refer to the following resources:<\/p><ol><li>RFC 2819 - Remote Network Monitoring Management Information Base<\/li><li>Cisco: Understanding SPAN, RSPAN, and ERSPAN<\/li><li>Network Computing: The Basics of Port Mirroring<\/li><\/ol>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/478470","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/478470\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/478471"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=478470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}