{"id":1280,"date":"2015-01-01T23:00:38","date_gmt":"2015-01-01T14:00:38","guid":{"rendered":"http:\/\/gotocloud.co.kr\/?p=1280"},"modified":"2023-11-30T18:41:57","modified_gmt":"2023-11-30T09:41:57","slug":"vpnvirtual-private-network-%ea%b0%80%ec%83%81%ec%82%ac%ec%84%a4%eb%a7%9d%ec%9d%b4%eb%9e%80","status":"publish","type":"post","link":"https:\/\/gotocloud.co.kr\/?p=1280","title":{"rendered":"VPN(Virtual Private Network, \uac00\uc0c1\uc0ac\uc124\ub9dd)\uc774\ub780?"},"content":{"rendered":"<h3>1. \ub4e4\uc5b4\uac00\uba74\uc11c<\/h3>\n<p>\ucd5c\uadfc \ud55c\uad6d\uc218\ub825\uc6d0\uc790\ub825\uc758 \ub0b4\ubd80\uc790\ub8cc\uc720\ucd9c \uc0ac\uac74 \uae30\uc0ac\ub97c \ubcf4\uba74 \uc6a9\uc758\uc790\uac00 \uc911\uad6d \uc120\uc591\uc5d0 \uc788\ub294 VPN(\uac00\uc0c1 \uc0ac\uc124\ub9dd)\uc5c5\uccb4\ub97c \ud1b5\ud574 \ud55c\uc218\uc6d0\uc5d0 \uc811\uc18d\ud558\uc5ec \uc815\ubcf4\ub97c \ube7c\ub0b8 \ub4ef \ud558\ub2e4\ub294 \ub9d0\uc774 \ub9ce\uc774 \ub098\ud0c0\ub09c\ub2e4. \uc608\uc804\uc758 \ub18d\ud611 \uc804\uc0b0\ub9dd \uc911\ub2e8 \uc0ac\uac74 \ub54c\ub3c4 VPN\uc744 \uac70\uccd0 \ub18d\ud611 \uc804\uc0b0\ub9dd\uc5d0 \uc811\uc18d\ud55c \ud754\uc801\uc744 \ubc1c\uacac\ud588\ub2e4\ub294 \uae30\uc0ac\uac00 \ub098\uace4 \ud588\ub2e4. \uc5ec\uae30\uc5d0 \uacf5\ud1b5\uc801\uc73c\ub85c \ud574\ud0b9\uc758 \uc218\ub2e8\uc73c\ub85c \uc0ac\uc6a9\ub41c \uac83\uc774 VPN\uc778\ub370 \ud574\ucee4\ub4e4\uc774 VPN\uc744 \ud1b5\ud574\u00a0IP\u00a0\uc8fc\uc18c\ub97c \uc6b0\ud68c\ud574\uc11c \uc811\uc18d\ud558\uc600\ub2e4\ub294 \uac83\uc73c\ub85c \ub9c8\uce58 VPN\uc774 IP \uc8fc\uc18c\ub97c \uc6b0\ud68c\ud558\ub294 \uc218\ub2e8\uc73c\ub85c \uc624\ud574\ub97c \ubc1b\uace0 \uc788\ub2e4.\u00a0 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc2a4\ub9c8\ud2b8\ud3f0 \ub4f1\uc5d0\uc11c\ub3c4 VPN \uc571\uc744 \uac80\uc0c9\ud558\uba74 \uc218\ub9ce\uc740\u00a0VPN \uc571\uc774 \ub098\ud0c0\ub098\ub294\ub370, \ub300\ubd80\ubd84\uc758 \uc6a9\ub3c4\uac00 \ucc28\ub2e8\ub41c \uc0ac\uc774\ud2b8\ub97c \uc6b0\ud68c\ud574\uc11c \uc811\uc18d\ud558\uac70\ub098 \ud639\uc740 \uc790\uc2e0\uc758\u00a0IP\ub97c \uac10\ucd94\ub294\ub370 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\uace0 \ub418\uc5b4 \uc788\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \uae30\uc0ac\ub098 \uc571\uc758 \uc6a9\ub3c4\ub85c \ubcf4\uba74 VPN\uc740 \ub9c8\uce58 \ubcf4\uc548\uc744 \ub6ab\uae30 \uc704\ud55c \ub3c4\uad6c\ub85c \uc624\ud574\ud558\uae30 \uc26c\uc6b0\ub098 \uc2e4\uc81c\ub85c VPN\uc740\u00a0\uc548\uc804\ud55c \ub124\ud2b8\uc6cc\ud06c \uc811\uc18d\uc744\u00a0\uc704\ud55c \ub3c4\uad6c\ub85c \uac1c\ubc1c\ub418\uc5c8\uc73c\uba70\u00a0\uc6a9\ub3c4\uc5d0 \ub9de\uac8c \uc0ac\uc6a9\ud55c\ub2e4\uba74 \ubcf4\uc548\uc744 \uac15\ud654\ud558\ub294\ub370 \ud070 \ub3c4\uc6c0\uc744 \uc904 \uc218 \uc788\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 VPN\uc5d0 \ub300\ud55c \uc720\ub798\uc640 \uae30\ubcf8\uc801\uc778 \uac1c\ub150\uc5d0 \ub300\ud574\uc11c \uc124\uba85\ud558\uace0\uc790 \ud55c\ub2e4.<\/p>\n<h3>2. \uc0ac\uc124\ub9dd(Private Network)\uacfc \uacf5\uc911\ub9dd(Public Network)<\/h3>\n<p>VPN\uc5d0 \ub300\ud55c \uc774\ud574\ub97c \uc704\ud574\uc11c\ub294 \uba3c\uc800 \uc0ac\uc124\ub9dd(Private Network)\uacfc \uacf5\uc911\ub9dd(Public Network)\uc5d0 \ub300\ud55c \uc774\ud574\uac00 \ud544\uc694\ud558\ub2e4.<\/p>\n<ul>\n<li>\uc0ac\uc124\ub9dd(Private Network)\uc774\ub780 \ud2b9\uc815\ud55c \ud68c\uc0ac\ub098 \uc870\uc9c1\uc774 \uc18c\uc720\ud558\uace0 \ub3c5\uc810\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc758\ubbf8\ud55c\ub2e4.\u00a0\u00a0\u00a0<a href=\"http:\/\/ko.wikipedia.org\/wiki\/%EC%82%AC%EC%84%A4%EB%A7%9D\">\uc704\ud0a4\ud53c\ub514\uc544<\/a>\uc5d0\uc11c\ub294\u00a0&#8220;\uc0ac\uc124 IP \uc8fc\uc18c \uacf5\uac04\uc744 \uc774\uc6a9\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c\uc774\uba70 RFC 1918\uacfc RFC 4193 \ud45c\uc900\uc744 \uc900\uc218\ud55c\ub2e4. \uc774\ub7ec\ud55c \uc8fc\uc18c\ub294 \uac00\uc815, \uc0ac\ubb34\uc2e4, \uae30\uc5c5 \ub79c\uc5d0 \uc4f0\uc778\ub2e4&#8221;\ub77c\uace0 \uc124\uba85\ud558\uace0 \uc788\ub2e4.\u00a0 \uc27d\uac8c \ub9d0\ud574\uc11c \uc6b0\ub9ac\uac00 \uac00\uc815\uc5d0\uc11c \uacf5\uc720\uae30 \ub0b4\ubd80\uc5d0\uc11c \uc0ac\uc124\u00a0IP\ub85c \uc0ac\uc6a9\ud558\uace0 \uc788\ub294 \ub124\ud2b8\uc6cc\ud06c\uac00 \ub300\ud45c\uc801\uc778 \uc0ac\uc124\ub9dd\uc774\ub77c\uace0 \ubcf4\uba74 \ub41c\ub2e4.<\/li>\n<li>\uacf5\uc911\ub9dd(Public Network)\uc740 \uc0ac\uc124\ub9dd\uacfc \ub300\uce6d\ub418\ub294 \uac1c\ub150\uc73c\ub85c \ubd88\ud2b9\uc815 \ub2e4\uc218\uc758 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \ud1b5\uc2e0\ub9dd\uc73c\ub85c \uc6b0\ub9ac\uac00 \ud754\ud788 \uc4f0\uace0 \uc788\ub294 \uc778\ud130\ub137\uc774 \ub300\ud45c\uc801\uc778 \uacf5\uc911\ub9dd\uc774\ub77c\uace0 \ubcfc \uc218 \uc788\ub2e4.<\/li>\n<\/ul>\n<p>\uc6b0\ub9ac\uac00 \uc54c\uace0 \uc788\ub294 \ub300\ud45c\uc801\uc778 \uc0ac\uc124\ub9dd\uc73c\ub85c\ub294 \ud68c\uc0ac \ub0b4\ubd80\uc758 \ub124\ud2b8\uc6cc\ud06c, \ud589\uc815\uc804\uc0b0\ub9dd\uc774\ub098 \uae08\uc735 \uae30\uad00\uc5d0\uc11c \uc0ac\uc6a9\ud558\uace0 \uc788\ub294 \uae08\uc735\ub9dd \ub4f1\uc744 \ub4e4 \uc218 \uc788\ub294\ub370, \uc0ac\uc124\ub9dd\uc740 \ubcf4\uc548\uacfc \uc77c\uc815\ud55c \ud1b5\uc2e0 \ud488\uc9c8\uc744 \uc81c\uacf5\ud55c\ub2e4\ub294 \uba74\uc5d0\uc11c \uacf5\uc911\ub9dd\uc5d0 \ube44\ud574 \uc7a5\uc810\uc774 \uc788\ub2e4.<\/p>\n<p>\uadf8\ub7f0\ub370 \uc740\ud589 \ub4f1\uc5d0\uc11c \ubcf8\uc810\uacfc \uc9c0\uc810\uc744 \uc0ac\uc124\ub9dd\uc73c\ub85c \uc5f0\uacb0\ud558\uace0\uc790 \ud560 \uacbd\uc6b0\uc5d0\ub294\u00a0\uc5b4\ub5bb\uac8c \uc5f0\uacb0\ud560 \uac83\uc778\uc9c0\ub97c \uace0\ubbfc\ud574\ubcf4\uc790. \uac00\uc7a5 \uc548\uc804\ud558\uac8c \uc5f0\uacb0\ud558\uace0 \uc2f6\ub2e4\uba74 \ubcf8\uc810\uacfc \uc9c0\uc810\uc744 \uc804\uc6a9\ud68c\uc120\uc73c\ub85c \uc5f0\uacb0\ud558\uace0 \uc774\ub97c \uc0ac\uc124\ub9dd\uc73c\ub85c \uad6c\ucd95\ud558\uba74 \ub420 \uac83\uc774\ub2e4. \uadf8\ub7ec\ub098 \uc804\uc6a9\ud68c\uc120\uc758 \uacbd\uc6b0 \ubcf4\uc548\uc131\uc774\ub098 \ud488\uc9c8 \uba74\uc5d0\uc11c\ub294 \uc778\ud130\ub137 \ub9dd\uc5d0 \ube44\ud574\uc11c \ub6f0\uc5b4\ub0a0 \uc218\ub3c4 \uc788\uc73c\ub098(\ucd5c\uadfc\uc5d0\ub294 \uc778\ud130\ub137\uc774 \ud488\uc9c8\uc774\ub098 \uc18d\ub3c4\ub294 \ub354 \ub6f0\uc5b4\ub098\ub2e4) \uc9c1\uc811 \uc804\uc6a9\ub9dd\uc744 \uad6c\ucd95\ud558\uac70\ub098 \ud1b5\uc2e0 \uc0ac\uc5c5\uc790\uc5d0\uac8c\uc11c \uc804\uc6a9\ub9dd\uc744 \uc784\ub300\ud558\uace0 \uc774\ub97c \uc5f0\uacb0\ud558\uae30 \uc704\ud55c \uc804\uc6a9 \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44\ub97c \ub3c4\uc785\ud558\ub294\ub370 \ub9c9\ub300\ud55c \ube44\uc6a9\uc774 \uc18c\uc694\ub41c\ub2e4.<\/p>\n<p><a href=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/\ubcf4\ub77c\ub137\uc804\uc6a9\uc120.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1287\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/\ubcf4\ub77c\ub137\uc804\uc6a9\uc120-300x222.jpg\" alt=\"\ubcf4\ub77c\ub137\uc804\uc6a9\uc120\" width=\"300\" height=\"222\" srcset=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/\ubcf4\ub77c\ub137\uc804\uc6a9\uc120-300x222.jpg 300w, https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/\ubcf4\ub77c\ub137\uc804\uc6a9\uc120.jpg 823w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\uc704\uc758 \uadf8\ub9bc\uc740 2000\ub144\ub300 \ucd08\ubc18 \ub370\uc774\ucf64(\ud604\uc7ac\ub294\u00a0LG U+)\uc5d0\uc11c \uc11c\ube44\uc2a4\ud558\ub358 \ubcf4\ub77c\ub137 \uc804\uc6a9\uc120\uc758 \uac00\uaca9\uc774\ub2e4. \uadf8\ub9bc\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774 512Kbps\uc758 \uc18d\ub3c4\ub97c \ub0b4\ub294 \uc804\uc6a9\uc120\uc744 \uc784\ub300\ud558\ub294 \uacbd\uc6b0\uc5d0\ub3c4 \uc218\uc2ed\uc5d0\uc11c \uc218\ubc31\ub9cc\uc6d0\uc758 \ube44\uc6a9\uc744 \uc9c0\ubd88\ud574\uc57c\ub9cc \ud588\uc74c\uc744 \uc54c \uc218 \uc788\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c \uace0\uac00\uc758 \uc804\uc6a9\ub9dd\uc744 \ub300\uccb4\ud558\uc5ec \uc778\ud130\ub137\uc744 \uc774\uc6a9\ud558\uc5ec \uc0ac\uc124\ub9dd\ucc98\ub7fc \uc548\uc804\ud55c \uc804\uc6a9 \ub124\ud2b8\uc6cc\ud06c\ub97c \uad6c\uc131\ud558\uace0\uc790 \ud558\ub294 \uc694\uad6c\uac00 \uc0dd\uaca8\ub0ac\ub294\ub370, \uc774\ub7ec\ud55c \uc694\uad6c\ub85c \uac1c\ubc1c\ub41c \uac83\uc774 \ubc14\ub85c VPN(Virtual Private Network,\u00a0 \uac00\uc0c1 \uc0ac\uc124\ub9dd)\uc774\ub2e4. \ucd5c\uadfc\uc758 \uae30\uc5c5 \uc804\uc6a9\uc120 \uc11c\ube44\uc2a4\ub294 \uc800 \ub2f9\uc2dc\uc758 \uc804\uc6a9\uc120 \uc11c\ube44\uc2a4\uc640\ub294 \ub2ec\ub9ac \uc778\ud130\ub137 \ub9dd\uc744 \uc774\uc6a9\ud558\uc5ec \uace0\uc815 IP\ub97c \ubd80\uc5ec\ud558\ub294 \uc11c\ube44\uc2a4\uac00 \ub300\ubd80\ubd84\uc73c\ub85c \uc5c4\ubc00\ud55c \uc758\ubbf8\uc5d0\uc11c\uc758 \uc0ac\uc124\ub9dd\uc774\ub77c\uace0 \ubcfc \uc218\ub294 \uc5c6\ub2e4. \ubb3c\ub860 \ucd5c\uadfc\uc5d0\ub3c4 \uae30\uad00\uac04\uc5d0 \uc804\uc6a9\ub9dd\uc744 \uad6c\ucd95\ud574\uc8fc\ub294 \uc11c\ube44\uc2a4\ub294 \ud1b5\uc2e0\uc0ac\uc5c5\uc790\ub4e4\uc774 \uacc4\uc18d \uc218\ud589\ud558\uace0 \uc788\uc73c\ub098, \uadf8 \ube44\uc6a9\uc740 \uc5ec\uc804\ud788 \ub192\uc740 \uc2e4\uc815\uc774\ub2e4.<\/p>\n<h3>3. VPN\uc758 \uac1c\ub150<\/h3>\n<p>\uc55e\uc5d0\uc11c \uc124\uba85\ud55c\ub300\ub85c VPN\uc740 \uc778\ud130\ub137\uc744 \uc774\uc6a9\ud558\uc5ec \uace0\ube44\uc6a9\uc758 \uc0ac\uc124\ub9dd\uc744 \ub300\uccb4\ud558\ub294 \ud6a8\uacfc\ub97c \uc5bb\uae30 \uc704\ud55c \uae30\uc220\ub85c \uc778\ud130\ub137\ub9dd\uacfc \uac19\uc740 \uacf5\uc911\ub9dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub458 \uc774\uc0c1\uc758 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc548\uc804\ud558\uac8c \uc5f0\uacb0\ud558\uae30 \uc704\ud558\uc5ec \uac00\uc0c1\uc758 \ud130\ub110\uc744 \ub9cc\ub4e4\uace0 \uc554\ud638\ud654\ub41c \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\ub3c4\ub85d \uad6c\uc131\ub41c \ub124\ud2b8\uc6cc\ud06c\ub77c\uace0 \uc815\uc758\ud560 \uc218 \uc788\uc73c\uba70 \uacf5\uc911\ub9dd \uc0c1\uc5d0\uc11c \uad6c\ucd95\ub418\ub294 \ub17c\ub9ac\uc801\uc778 \uc804\uc6a9\ub9dd\uc774\ub77c\uace0 \ud560 \uc218 \uc788\ub2e4. <a href=\"http:\/\/ko.wikipedia.org\/wiki\/%EA%B0%80%EC%83%81_%EC%82%AC%EC%84%A4%EB%A7%9Dhttp:\/\/ko.wikipedia.org\/wiki\/%EA%B0%80%EC%83%81_%EC%82%AC%EC%84%A4%EB%A7%9D\">\uc704\ud0a4\ud53c\ub514\uc544<\/a>\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 VPN\uc744 \uc815\uc758\ud558\uace0 \uc788\ub2e4.<\/p>\n<blockquote><p>\uacf5\uc911 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ud55c \ud68c\uc0ac\ub098 \uba87\uba87 \ub2e8\uccb4\uac00 \ub0b4\uc6a9\uc744 \ubc14\uae65 \uc0ac\ub78c\uc5d0\uac8c \ub4dc\ub7ec\ub0b4\uc9c0 \uc54a\uace0 \ud1b5\uc2e0\ud560 \ubaa9\uc801\uc73c\ub85c \uc4f0\uc774\ub294 \uc0ac\uc124 \ud1b5\uc2e0\ub9dd\uc774\ub2e4. \uac00\uc0c1 \uc0ac\uc124\ub9dd\uc5d0\uc11c \uba54\uc2dc\uc9c0\ub294 \uc778\ud130\ub137\uacfc \uac19\uc740 \uacf5\uacf5\ub9dd \uc704\uc5d0\uc11c \ud45c\uc900 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc368\uc11c \uc804\ub2ec\ub418\uac70\ub098, \uac00\uc0c1 \uc0ac\uc124\ub9dd \uc11c\ube44\uc2a4 \uc81c\uacf5\uc790\uc640 \uace0\uac1d\uc774 \uc11c\ube44\uc2a4 \uc218\uc900 \uacc4\uc57d\uc744 \ub9fa\uc740 \ud6c4 \uc11c\ube44\uc2a4 \uc81c\uacf5\uc790\uc758 \uc0ac\uc124\ub9dd\uc744 \ud1b5\ud574 \uc804\ub2ec\ub41c\ub2e4.<\/p><\/blockquote>\n<figure id=\"attachment_1295\" aria-describedby=\"caption-attachment-1295\" style=\"width: 285px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1295 size-full\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/\uc804\uc6a9\ub9dd-2.gif\" alt=\"\uc804\uc6a9\ub9dd-2\" width=\"285\" height=\"231\" \/><figcaption id=\"caption-attachment-1295\" class=\"wp-caption-text\">\uc804\uc6a9\ub9dd \uc5f0\uacb0<\/figcaption><\/figure>\n<figure id=\"attachment_1296\" aria-describedby=\"caption-attachment-1296\" style=\"width: 285px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1296 size-full\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/vpn-1.gif\" alt=\"vpn-1\" width=\"285\" height=\"231\" \/><figcaption id=\"caption-attachment-1296\" class=\"wp-caption-text\">VPN \uc5f0\uacb0<\/figcaption><\/figure>\n<p>\uc704\uc758 \uadf8\ub9bc\uc5d0\uc11c\uc640 \uac19\uc774 \ubcf8\uc810\uacfc \uc9c0\uc810\uac04\uc5d0 \uc804\uc6a9\ub9dd\uc744 \uc5f0\uacb0\ud558\ub294 \uac83\uacfc \uacf5\uc911\ub9dd(\uc778\ud130\ub137) \uc0c1\uc5d0\uc11c VPN \ud130\ub110\uc744 \uad6c\uc131\ud558\uace0 VPN\uc744 \uc5f0\uacb0\ud558\ub294 \uac83\uc774 \ub17c\ub9ac\uc801\uc73c\ub85c \ub3d9\uc77c\ud558\ub2e4\uace0 \ud560 \uc218 \uc788\uc73c\uba70, VPN\uc740 \uc778\ud130\ub137\uc744 \ud1b5\ud574 \uc804\uc6a9\ub9dd\uacfc \uac19\uc740 \uc0ac\uc124 \ub124\ud2b8\uc6cc\ud06c\ub97c \uad6c\uc131\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc8fc\ub294 \uae30\uc220\uc774\ub77c\uace0 \uc774\ud574\ud558\uba74 \ub41c\ub2e4.<\/p>\n<h3>4. VPN \ud130\ub110\ub9c1 \ud504\ub85c\ud1a0\ucf5c<\/h3>\n<p>VPN \uc5f0\uacb0\uc744 \uad6c\uc131\ud558\ub294 \uac00\uc7a5 \uc911\uc694\ud55c \uc694\uc18c\uc778 VPN \ud130\ub110\ub9c1 \ud504\ub85c\ud1a0\ucf5c\uc740 \ud06c\uac8c VPN \uc5f0\uacb0 \uc9c0\uc810\uac04\uc5d0 \uc624\uac00\ub294 \ub370\uc774\ud130 \ud328\ud0b7\uc758 \uc554\ud638\ud654, VPN \ud130\ub110\uc758 \uc0dd\uc131 \ubc0f \uad00\ub9ac, \uadf8\ub9ac\uace0 \uc554\ud638\ud654 \ud0a4 \uad00\ub9ac\ub97c \uc218\ud589\ud55c\ub2e4.\u00a0\u00a0\ud130\ub110\ub9c1 \ud504\ub85c\ud1a0\ucf5c\uc740 \ub370\uc774\ud130\uac00 \uc804\uc1a1 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\uacfc\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \ub77c\uc6b0\ud305 \uc815\ubcf4\ub97c \ud3ec\ud568\ud55c \ud5e4\ub354\uc640 \uac1c\uc778\ub370\uc774\ud130\ub97c \ucea1\uc290\ud654\ud55c\ub2e4. \ucea1\uc290\ud654\ub41c \ud504\ub808\uc784\uc740 \ud5e4\ub354\uc5d0 \ucd94\uac00\ub418\uc5b4 \uc788\ub294 \ub77c\uc6b0\ud305 \uc815\ubcf4\ub97c \uae30\ubc18\uc73c\ub85c \uc778\ud130\ub137\uacfc \uac19\uc740 \uacf5\uc911\ub9dd\uc744 \uacbd\uc720\ud558\uc5ec \ud130\ub110\uc758 \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub85c \uc804\uc1a1\ub418\uace0 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\uba74 \ub514\ucea1\uc290\ud654 \ub418\uc5b4 \ucd5c\uc885 \ubaa9\uc801\uc9c0\ub85c \ud5a5\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>\ub300\ud45c\uc801\uc778\u00a0 VPN \ud130\ub110\ub9c1 \ud504\ub85c\ud1a0\ucf5c\ub85c\ub294 PPTP(Point-to-Point Tunneling Protocol), L2TP(Layer 2 Tunneling Protocol), IPsec(IP Security)\u00a0\ub4f1\uc744 \ub4e4 \uc218 \uc788\ub2e4.<\/p>\n<h4>4.1 PPTP(Point-to-Point Tunneling Protocol)<\/h4>\n<p>PPTP\ub294 <a href=\"http:\/\/ko.wikipedia.org\/wiki\/%EC%A0%90%EB%8C%80%EC%A0%90_%ED%94%84%EB%A1%9C%ED%86%A0%EC%BD%9C\">PPP(Point-to-Point)<\/a>\u00a0\uc811\uc18d\uc744 \ud655\uc7a5\ud558\uc5ec \uc6d0\uaca9 \uc0ac\uc6a9\uc790\uc640 \uc0ac\uc124\ub9dd \uc0ac\uc774\uc758 \ubcf4\uc548 \uc811\uc18d\uc744 \uc81c\uacf5\ud558\ub294 Layer 2\u00a0\ud130\ub110\ub9c1 \ud504\ub85c\ud1a0\ucf5c\ub85c \ub9c8\uc774\ud06c\ub85c\uc18c\ud504\ud2b8, 3Com \ub4f1\uc774 \uacf5\ub3d9\uc73c\ub85c \uc81c\uc548\ud558\uc600\ub2e4.\u00a0\u00a0PPTP\ub294 \uc778\ud130\ub137 \ud504\ub85c\ud1a0\ucf5c\uc778 TCP\/IP\ub97c \uadf8\ub300\ub85c \uc774\uc6a9\ud558\uba74\uc11c\ub3c4 \uc678\ubd80\uc778\uc774 \uc811\uadfc\ud560 \uc218 \uc5c6\ub294 \ubcc4\ub3c4\uc758 \uac00\uc0c1\uc0ac\uc124\ub9dd\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc8fc\ub294 \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. PPTP\ub97c \uc0ac\uc6a9\ud558\uc5ec VPN \uc0ac\uc6a9\uc790(\ud074\ub77c\uc774\uc5b8\ud2b8)\ub294\u00a0PPP(\uc6b0\ub9ac\uac00 \ud754\ud788 \uc4f0\ub294 \ub2e4\uc774\uc5bc\uc5c5 \ubc29\uc2dd\uc758 \uc778\ud130\ub137 \uc5f0\uacb0\uc774 \uc5ec\uae30\uc5d0 \ud574\ub2f9\ub41c\ub2e4) \ubc29\uc2dd\uc73c\ub85c \uc11c\ubc84\uc5d0 \uc811\uc18d\ud55c \ud6c4 \uc778\uc99d\uc744 \ubc1b\uc73c\uba74 VPN \ud130\ub110\uc774 \uc0dd\uc131\ub418\uace0 \uc774\ub97c \ud1b5\ud574 VPN \uc5f0\uacb0\uc774 \uac00\ub2a5\ud574\uc9c4\ub2e4. \uc8fc\ub85c \uc678\ubd80\uc5d0\uc11c \uc0ac\ub0b4\uc758 \uc11c\ubc84\uc5d0 \uc811\uc18d\ud558\uae30 \uc704\ud574 \ub110\ub9ac \uc774\uc6a9\ub418\uba70 Microsoft Windows,\u00a0\uc548\ub4dc\ub85c\uc774\ub4dc\u00a0\ub4f1 \ub2e4\uc591\ud55c\u00a0OS\uc5d0\uc11c \uae30\ubcf8\uc801\uc73c\ub85c \uc81c\uacf5\ud558\uace0 \uc788\ub2e4.<\/p>\n<p><a href=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/pptp.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1305\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/pptp-238x300.png\" alt=\"pptp\" width=\"238\" height=\"300\" srcset=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/pptp-238x300.png 238w, https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/pptp.png 435w\" sizes=\"(max-width: 238px) 100vw, 238px\" \/><\/a><a href=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/Screenshot_2015-01-03-00-18-57.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1306\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/Screenshot_2015-01-03-00-18-57-180x300.png\" alt=\"Screenshot_2015-01-03-00-18-57\" width=\"180\" height=\"300\" srcset=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/Screenshot_2015-01-03-00-18-57-180x300.png 180w, https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/Screenshot_2015-01-03-00-18-57-614x1024.png 614w, https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/Screenshot_2015-01-03-00-18-57.png 768w\" sizes=\"(max-width: 180px) 100vw, 180px\" \/><\/a><\/p>\n<p>\uc704\uc758 \uadf8\ub9bc\uc740 Windows\uc640 \uc548\ub4dc\ub85c\uc774\ub4dc\uc5d0 \uae30\ubcf8\uc73c\ub85c \ub0b4\uc7a5\ub41c VPN \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uc11c PPTP\ub97c \uc9c0\uc6d0\ud558\ub294 \uc608\ub97c \ub098\ud0c0\ub0b4\uace0 \uc788\ub2e4.<\/p>\n<p><a href=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/pptp-capsule.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1310\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/pptp-capsule-300x80.gif\" alt=\"pptp-capsule\" width=\"300\" height=\"80\" \/><\/a><\/p>\n<p>\uc704\uc758 \uadf8\ub9bc\uc740 PPTP \ud504\ub85c\ud1a0\ucf5c\uc758 \ucea1\uc290\ud654 \ubc0f \uc554\ud638\ud654 \uacfc\uc815\uc744 \ub098\ud0dc\ub0b8\ub2e4. \uadf8\ub9bc\uc5d0\uc11c\uc640 \uac19\uc774 \ud130\ub110\ub9c1\ub41c \ub370\uc774\ud130\uc5d0 \ub300\ud574\uc11c PPTP \ud504\ub85c\ud1a0\ucf5c\uc740 \uc218\uc815\ub41c \ubc84\uc804\uc758\u00a0GRE(Generic Routing Encapsulation)\ub97c \uc0ac\uc6a9\ud558\uc5ec PPP \ud504\ub808\uc784\uc744 \ucea1\uc290\ud654\ud558\uace0 \ucea1\uc290\ud654\ub41c PPP \ud504\ub808\uc784\uc758 \ud398\uc774\ub85c\ub4dc\uc5d0 \ub300\ud574 \uc554\ud638\ud654\ub098 \uc555\ucd95\uc744 \uc218\ud589\ud558\uac8c \ub41c\ub2e4. \uc774 \ub54c PPP \ud504\ub808\uc784\uc740 MS-CHAP v2 \ub610\ub294 EAP-TLS \uc778\uc99d \ud504\ub85c\uc138\uc2a4\uc5d0\uc11c \uc0dd\uc131\ub41c \uc554\ud638\ud654 \ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec <a href=\"http:\/\/en.wikipedia.org\/wiki\/Microsoft_Point-to-Point_Encryption\"> MPPE(Microsoft Point-to-Point Encryption, Microsoft \uc9c0\uc810 \uac04 \uc554\ud638\ud654)<\/a>\ub85c \uc554\ud638\ud654\ud560 \uc218 \uc788\ub2e4. \uc0ac\uc6a9\uc790 \uc778\uc99d\uc740 PPP \uc778\uc99d\uc744 \uc774\uc6a9\ud55c\ub2e4.<\/p>\n<h4>4.2 L2TP (Layer 2 Tunneling Protcol)<\/h4>\n<p>L2TP\ub294\u00a0Microsoft\uac00 \uc81c\uc548\ud55c PPTP\uc640 Cisco\uac00 \uc81c\uc548\ud55c L2F(Layer 2 Forwarding) \ud504\ub85c\ud1a0\ucf5c\uc744 \uacb0\ud569\ud55c \uac83\uc73c\ub85c PPTP\uc758 \uc7a5\uc810\uacfc L2F\uc758 \uc7a5\uc810\uc744 \ud558\ub098\ub85c \ubaa8\uc73c\uc790\ub294 \uc758\ub3c4\ub85c \uac1c\ubc1c\ub41c \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4.\u00a0PPTP\uc640\ub294 \ub2ec\ub9ac L2TP\ub294 IP \ub124\ud2b8\uc6cc\ud06c(UTP\/IP) \ubfd0\ub9cc \uc544\ub2c8\ub77c IP \uc804\uc1a1\uacc4\uce35\uc774 \uc5c6\ub294 WAN \uad6c\uac04\uc5d0\uc11c\ub3c4 \uc0ac\uc6a9\uc774 \uac00\ub2a5\ud558\uba70 X25, \ud504\ub808\uc784 \ub9b4\ub808\uc774, ATM(Asynchronous Transfer Moder) \ub4f1 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c\ub97c \uc9c0\uc6d0\ud55c\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\ub2e4. PPTP\uc5d0 \ube44\ud574\uc11c\u00a0L2TP\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ucc28\uc774\uc810\uc744 \uac16\ub294\ub2e4.<\/p>\n<ul>\n<li>PPTP\ub294 IP\uae30\ubc18\uc758 \ub124\ud2b8\uc6cc\ud06c\ub9cc \uc9c0\uc6d0\ud558\ub294 \ubc18\uba74 L2TP\ub294 \ud328\ud0b7 \uc911\uc2ec\uc758 \uc9c0\uc810\uac04 \uc5f0\uacb0\uc774\uae30\ub9cc \ud558\uba74 \ud1b5\uc2e0\uc774 \uac00\ub2a5\ud558\ub2e4.\u00a0L2TP\ub294 IP(TCP\uac00 \uc544\ub2cc UDP \uc0ac\uc6a9), \ud504\ub808\uc784 \ub9b4\ub808\uc774 PVC(permanent virtual circuit), X.25 VC(virtual circuit), ATM VC\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/li>\n<li>PPTP\ub294 \ub450 \uc9c0\uc810 \uc0ac\uc774\uc5d0 \ud558\ub098\uc758 \ud130\ub110\ub9cc \uac00\ub2a5\ud558\uc9c0\ub9cc L2TP\ub294 \ub450 \uc9c0\uc810 \uc0ac\uc774\uc5d0 \uc5ec\ub7ec\uac1c\uc758 \ud130\ub110\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70 \ud130\ub110\uc5d0 \ub530\ub978 QoS\ub97c \uc801\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/li>\n<li>PPTP\uc640 \ub2ec\ub9ac PPP \ub370\uc774\ud130 \uadf8\ub7a8\uc744 \uc554\ud638\ud654\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c \uc554\ud638\ud654\uc5d0\ub294 IPsec(IP Security)\ub97c \uc0ac\uc6a9\ud558\ub294\ub370 \uc774\ub7ec\ud55c L2TP\uc640 IPsec\uc758 \uc870\ud569\uc744 L2TP\/IPsec\uc774\ub77c\uace0 \ud55c\ub2e4.<\/li>\n<\/ul>\n<p>L2TP\/IPsec\uc758 \ucea1\uc290\ud654\ub294 L2TP \ucea1\uc290\ud654\uc640 IPsec \ucea1\uc290\ud654\uc758 \ub450 \ub2e8\uacc4\ub85c \uad6c\uc131\ub41c\ub2e4.<\/p>\n<p><a href=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/l2tp-capsule.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1315\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/l2tp-capsule-300x85.gif\" alt=\"l2tp-capsule\" width=\"300\" height=\"85\" \/><\/a><\/p>\n<p>\uc704\uc758 \uadf8\ub9bc\uacfc \uac19\uc774 PPP\u00a0\ud504\ub808\uc784(PPP \ud5e4\ub354+IP \ub370\uc774\ud130\uadf8\ub7a8)\uc774 L2TP \ud5e4\ub354 \ubc0f UDP \ud5e4\ub354\uc640 \ud568\uaed8 \ub798\ud551\ub41c\ub2e4.<\/p>\n<p><a href=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/ipsec-capsule.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1316\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/ipsec-capsule-300x115.gif\" alt=\"ipsec-capsule\" width=\"300\" height=\"115\" \/><\/a><\/p>\n<p>\ub2e4\uc74c\uc73c\ub85c \u00a0L2TP \uba54\uc2dc\uc9c0\uac00 IPsec ESP(Encapsulating Security Payload) \ud5e4\ub354 \ubc0f \ud2b8\ub808\uc77c\ub7ec, \uba54\uc2dc\uc9c0 \ubb34\uacb0\uc131\uacfc \uc778\uc99d\uc744 \uc81c\uacf5\ud558\ub294 IPsec \uc778\uc99d \ud2b8\ub808\uc77c\ub7ec, \ucd5c\uc885 IP \ud5e4\ub354\uc640 \ud568\uaed8 \ub798\ud551\ub41c\ub2e4. IP \ud5e4\ub354\uc5d0\ub294 VPN \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 VPN \uc11c\ubc84\uc5d0 \ud574\ub2f9\ud558\ub294 \uc6d0\ubcf8 \ubc0f \ub300\uc0c1 IP \uc8fc\uc18c\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\ub2e4. \uc774 \ub54c, L2TP \uba54\uc2dc\uc9c0\ub294 <a href=\"http:\/\/en.wikipedia.org\/wiki\/Internet_Key_Exchange\">IKE(Internet Key Exchange)<\/a> \ud611\uc0c1 \ud504\ub85c\uc138\uc2a4\uc5d0\uc11c\u00a0\uc0dd\uc131\ub41c \uc554\ud638\ud654\ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec DES(Date Encryption Standard) \ub610\ub294 3DES(Triple DES)\ub85c \uc554\ud638\ud654\ub41c\ub2e4. L2TP\uc5d0\uc11c\ub294 \uc778\uc99d\uc11c \ud639\uc740 \uc0ac\uc804 \uacf5\uc720\ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc778\uc99d\uc744 \uc218\ud589\ud55c\ub2e4.<\/p>\n<h4>4.3 IPsec(IP Security)<\/h4>\n<p>IPsec\uc740 VPN \ud130\ub110\ub9c1\uc758 \uc5c5\uacc4 \ud45c\uc900 \ud504\ub85c\ud1a0\ucf5c\ub85c \uac15\ub825\ud55c \uc0ac\uc6a9\uc790 \uc778\uc99d\uacfc \uc554\ud638\ud654\ub97c \uc81c\uacf5\ud558\ub294 Layer 3 \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. IETF IPsec Working Group\uc5d0 \uc758\ud574 \uc81c\uc548\ub418\uc5c8\uc73c\uba70 \ub370\uc774\ud130 \uc1a1\uc2e0\uc790\uc758 \uc778\uc99d\uc744 \ud5c8\uc6a9\ud558\ub294 \uc778\uc99d \ud5e4\ub354(AH)\uc640, \uc1a1\uc2e0\uc790\uc758 \uc778\uc99d \ubc0f \ub370\uc774\ud130 \uc554\ud638\ud654\ub97c \ud568\uaed8 \uc9c0\uc6d0\ud558\ub294 \ubcf4\uc548 \ud398\uc774\ub85c\ub4dc \ucea1\uc290\ud654(ESP: Encapsulating Security Payload)\uc758 \ub450 \uc885\ub958\uc758 \ubcf4\uc548 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud55c\ub2e4.<\/p>\n<ul>\n<li>\uc778\uc99d \ud5e4\ub354(Authentication Header, AH):\u00a0\u00a0\u00a0\ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uacfc \uc778\uc99d \ubc0f \uc7ac\uc0ac\uc6a9 \ubc29\uc9c0\ub97c \uc704\ud55c \ud5e4\ub354\ub85c \ud398\uc774\ub85c\ub4dc\ub294 \uc554\ud638\ud654\ud558\uc9c0 \uc54a\uc544 \uc644\uc804\ud55c \uae30\ubc00\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub294 \uc54a\uc73c\ub098 Replay Attack\uc744 \ubc29\uc9c0\ud568<\/li>\n<li>\ubcf4\uc548 \ud398\uc774\ub85c\ub4dc \ucea1\uc290\ud654(Encapsulating Security Payload, ESP): \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uacfc \uc778\uc99d \ubc0f \uae30\ubc00\uc131\uc744 \uc81c\uacf5, \ud2b8\ub79c\uc2a4\ud3ec\ud2b8 \uacc4\uce35 \uc138\uadf8\uba3c\ud2b8\ub97c \uc554\ud638\ud654\ud560 \uacbd\uc6b0\uc640 \uc804\uccb4 IP \ud328\ud0b7\uc744 \uc554\ud638\ud654\ud560 \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9<\/li>\n<\/ul>\n<p>IPsec\uc740 \ubcf4\uc548 \uac8c\uc774\ud2b8\uc6e8\uc774 \uac04\uc758 \uc5f0\uacb0 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \ud130\ub110 \ubaa8\ub4dc\uc640 \uc804\uc1a1(Transport) \ubaa8\ub4dc\uc758 \ub450\uac00\uc9c0 \ubaa8\ub4dc\ub85c \ub098\ub258\uc5b4\uc9c4\ub2e4.<\/p>\n<p><figure id=\"attachment_1333\" aria-describedby=\"caption-attachment-1333\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1333 size-medium\" src=\"https:\/\/gotocloud.co.kr\/wp-content\/uploads\/2015\/01\/transport_vs_tunnel-300x174.png\" alt=\"transport_vs_tunnel\" width=\"300\" height=\"174\" \/><figcaption id=\"caption-attachment-1333\" class=\"wp-caption-text\">[\ucd9c\ucc98:<a href=\"http:\/\/www.c-jump.com\/CIS24\/Slides\/IPv6\/V06_0300_transport_vs_tunnel_m.htm\"> http:\/\/www.c-jump.com<\/a>]<\/figcaption><\/figure>\u00a0\ud130\ub110 \ubaa8\ub4dc\uc5d0\uc11c\ub294 IP \ud5e4\ub354\uc640 \ud398\uc774\ub85c\ub4dc\ub97c \ubaa8\ub450 \uc554\ud638\ud654\ud558\uc9c0\ub9cc \uc804\uc1a1 \ubaa8\ub4dc\uc5d0\uc11c\ub294\u00a0\ud398\uc774\ub85c\ub4dc\ub9cc \uc554\ud638\ud654\ud558\ub294\ub370 \ub450 \ubaa8\ub4dc\uc758 \ud2b9\uc9d5\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<ul>\n<li>\uc804\uc1a1(Transport) \ubaa8\ub4dc\n<ul>\n<li><span style=\"color: #333333;\">IP \ud398\uc774\ub85c\ub4dc\ub9cc \uc554\ud638\ud654\ub418\uace0 IP \ud5e4\ub354\ub294 \ubcc0\ud558\uc9c0 \uc54a\uc74c<\/span><\/li>\n<li><span style=\"color: #333333;\">\ud328\ud0b7\uc5d0 \uc791\uc740 \ubc14\uc774\ud2b8(byte)\ub9cc \ub354\ud574\uc9c0\ub294 \uc7a5\uc810\uc774 \uc788\uc74c<\/span><\/li>\n<li><span style=\"color: #333333;\">\uacf5\uc6a9 \ub124\ud2b8\uc6cc\ud06c\uc0c1\uc5d0\uc11c \ud328\ud0b7\uc758 \ub9c8\uc9c0\ub9c9 \ucd9c\ubc1c\uc9c0\uc640 \ubaa9\uc801\uc9c0\ub97c \uc2dd\ubcc4\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c QoS \ub4f1\uc774 \uac00\ub2a5\ud568<\/span><\/li>\n<li><span style=\"color: #333333;\">\ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ud328\ud0b7\uc5d0 \ub300\ud55c \uc554\ud638\ud654, \ubcf5\ud638\ud654\ub97c \uc218\ud589\ud568<\/span><\/li>\n<li><span style=\"color: #333333;\">IP \ud5e4\ub354\uac00 \uc554\ud638\ud654\ub418\uc9c0 \uc54a\uc73c\ubbc0\ub85c\u00a0Layer 4\u00a0\uc774\uc0c1\uc5d0\uc11c\ub294 \ud2b8\ub798\ud53d\uc744 \ubd84\uc11d\ud560 \uc218 \uc788\uc74c<\/span><\/li>\n<\/ul>\n<\/li>\n<li>\ud130\ub110 \ubaa8\ub4dc\n<ul>\n<li><span style=\"color: #333333;\">IP \ud5e4\ub354\uc640 \ud398\uc774\ub85c\ub4dc\uac00 \ubaa8\ub450 \uc554\ud638\ud654\ub418\uba70 \uc0c8\ub85c\uc6b4 \ud328\ud0b7\uc758 \ud398\uc774\ub85c\ub4dc\uac00 \ub428<\/span><\/li>\n<li><span style=\"color: #333333;\">\ub77c\uc6b0\ud130\uac00\u00a0IPsec \ud504\ub85d\uc2dc\ucc98\ub7fc \ub3d9\uc791\ud558\uac8c \ud558\uace0 \ub77c\uc6b0\ud130\uac00 \ud638\uc2a4\ud2b8 \ub300\uc2e0\uc5d0 \uc554\ud638\ud654\ub97c \uc218\ud589\ud568<\/span><\/li>\n<li><span style=\"color: #333333;\">\ucd9c\ubc1c\uc9c0\uc758 \ub77c\uc6b0\ud130\uac00 \ud328\ud0b7\uc744 \uc554\ud638\ud654\ud558\uace0 IPsec\uc744 \ud1b5\ud574 \uc804\ub2ec\ud568<\/span><\/li>\n<li><span style=\"color: #333333;\">\ubaa9\uc801\uc9c0\uc758 \ub77c\uc6b0\ud130\ub294\u00a0IPsec\uc744 \ud1b5\ud574 \uc804\ub2ec\ub41c \ud328\ud0b7\uc744 \ubcf5\ud638\ud654 \ud568<\/span><\/li>\n<li><span style=\"color: #333333;\">\ub2e8\ub9d0\uc774 IPsec\uc744 \uc218\uc815\ud560 \ud544\uc694\uac00 \uc5c6\uc73c\uba70 \ud2b8\ub798\ud53d\uc744 \ubd84\uc11d\ud560 \uc218 \uc5c6\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\uc74c<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>IPsec\uc740 LAN-to-LAN \ubc29\uc2dd\uc758\u00a0VPN\uacfc Dialup-To-LAN \ubc29\uc2dd\uc744 \ub3d9\uc2dc\uc5d0 \uc9c0\uc6d0\ud560 \ubfd0 \uc544\ub2c8\ub77c IPv6\ub97c \ud544\uc218\uc801\uc73c\ub85c \uc9c0\uc6d0\ud558\ub3c4\ub85d \ub418\uc5b4 \uc788\uc5b4\uc11c \ud655\uc7a5\uc131\uc5d0 \uc720\ub9ac\ud558\ub2e4\ub294 \uc7a5\uc810\uacfc \ud568\uaed8 \uc11c\ub85c \ub2e4\ub978 VPN \uc81c\ud488\ub4e4 \uac04\uc758 \ud638\ud658\uc131\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\ub2e4\ub294 \uc810\uc5d0\uc11c \ub9ce\uc740 \uc7a5\uc810\uc774 \uc788\uc73c\ub098 IP \ud504\ub85c\ud1a0\ucf5c \ucc98\ub9ac \ube44\uc6a9 \uc99d\uac00 \ubc0f \ud1b5\uc2e0 \uc9c0\uc5f0\uc73c\ub85c \uc778\ud55c \uc131\ub2a5 \uc800\ud558\uc758 \uc6b0\ub824\uac00 \uc874\uc7ac\ud55c\ub2e4.<\/p>\n<h3>5. \ub9fa\uc74c\ub9d0<\/h3>\n<p>\uc774\uc0c1\uc73c\ub85c VPN\uc758 \uc720\ub798\uc640 \uac1c\ub150\uc5d0 \ub300\ud574\uc11c \uac04\ub7b5\ud558\uac8c \uc0b4\ud3b4\ubcf4\uc558\ub2e4. \uc11c\ub450\uc5d0\uc11c \uc5b8\uae09\ud55c \ubc14\uc640 \uac19\uc774 VPN\uc740 \uc778\ud130\ub137\uacfc \uac19\uc740 \uacf5\uc911\ub9dd\uc5d0\uc11c \uc804\uc6a9\ub9dd\uacfc \uac19\uc740 \ubcf4\uc548 \ub124\ud2b8\uc6cc\ud06c\ub97c \uad6c\ud604\ud558\uae30 \uc704\ud574 \uac1c\ubc1c\ub41c \uae30\uc220\ub85c \uacb0\ucf54 \ud574\ud0b9\uc744 \uc704\ud55c IP \uc6b0\ud68c \uc218\ub2e8\uc774 \uc544\ub2c8\ub77c\ub294 \uc810\uc744 \uc774 \uae00\uc744 \ud1b5\ud574 \uc804\ud558\uace0\uc790 \ud55c\ub2e4. \ub2e4\uc74c\uc5d0\ub294\u00a0VPN\uc758 \uc8fc\uc694 \uc0ac\uc6a9 \uc0ac\ub840\uc640 \uc2e4\uc81c VPN\uc744 \uad6c\ucd95\ud558\ub294 \ub0b4\uc6a9\uc5d0 \ub300\ud574\uc11c \ub17c\ud558\uace0\uc790 \ud55c\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \ub4e4\uc5b4\uac00\uba74\uc11c \ucd5c\uadfc \ud55c\uad6d\uc218\ub825\uc6d0\uc790\ub825\uc758 \ub0b4\ubd80\uc790\ub8cc\uc720\ucd9c \uc0ac\uac74 \uae30\uc0ac\ub97c \ubcf4\uba74 \uc6a9\uc758\uc790\uac00 \uc911\uad6d \uc120\uc591\uc5d0 \uc788\ub294 VPN(\uac00\uc0c1 \uc0ac\uc124\ub9dd)\uc5c5\uccb4\ub97c \ud1b5\ud574 \ud55c\uc218\uc6d0\uc5d0 \uc811\uc18d\ud558\uc5ec \uc815\ubcf4\ub97c \ube7c\ub0b8 \ub4ef \ud558\ub2e4\ub294 \ub9d0\uc774 \ub9ce\uc774 \ub098\ud0c0\ub09c\ub2e4. \uc608\uc804\uc758 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1333,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[407],"tags":[220,219,218,212,213,215,214,216,221,217],"_links":{"self":[{"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1280"}],"collection":[{"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1280"}],"version-history":[{"count":52,"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1280\/revisions"}],"predecessor-version":[{"id":1369,"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1280\/revisions\/1369"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=\/wp\/v2\/media\/1333"}],"wp:attachment":[{"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gotocloud.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}