{"id":4674,"date":"2025-10-17T11:12:00","date_gmt":"2025-10-17T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/what-is-the-network-firewall\/"},"modified":"2026-06-22T09:01:54","modified_gmt":"2026-06-22T09:01:54","slug":"what-is-the-network-firewall","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-the-network-firewall","title":{"rendered":"\ub124\ud2b8\uc6cc\ud06c \ubc29\ud654\ubcbd, \uc720\ud615 \ubc0f \ucd5c\uc120\uc758 \uc2e4\ucc9c \ubc29\ubc95\uc5d0 \ub300\ud55c \uc2e4\uc6a9\uc801\uc778 \uc548\ub0b4\uc11c"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9aa0a53eb27e4c0190021d6a6ebe5540.webp\" alt=\"What Is a Firewall?\" class=\"wp-image-4670\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9aa0a53eb27e4c0190021d6a6ebe5540.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9aa0a53eb27e4c0190021d6a6ebe5540-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9aa0a53eb27e4c0190021d6a6ebe5540-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9aa0a53eb27e4c0190021d6a6ebe5540-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9aa0a53eb27e4c0190021d6a6ebe5540-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \ubc29\ud654\ubcbd\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>\ubc29\ud654\ubcbd<\/strong> \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548\uc758 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\ub85c, \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub0b4\ubd80 \ub124\ud2b8\uc6cc\ud06c\uc640 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\ub294 \uc678\ubd80 \uc5f0\uacb0(\uc608: \uc778\ud130\ub137) \uc0ac\uc774\uc5d0 <strong>\uc7a5\ubcbd \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.,<\/strong> \uc0ac\uc804 \uc815\uc758\ub41c \ubcf4\uc548 \uaddc\uce59\uc5d0 \ub530\ub77c \ub4e4\uc5b4\uc624\ub294 \ubc0f \ub098\uac00\ub294 \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0, \ud544\ud130\ub9c1\ud558\uba70, \uc81c\uc5b4\ud558\uc5ec \ubb34\ub2e8 \uc561\uc138\uc2a4, \ub370\uc774\ud130 \uc720\ucd9c \ubc0f \uc0ac\uc774\ubc84 \uacf5\uaca9\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac04\ub2e8\ud788 \ub9d0\ud574, \ubc29\ud654\ubcbd\uc740 <strong>\ubcf4\uc548 \uac80\ubb38\uc18c<\/strong>\uc640 \uac19\uc774 \uc791\ub3d9\ud569\ub2c8\ub2e4\u2014\ub124\ud2b8\uc6cc\ud06c\ub85c \ub4e4\uc5b4\uc624\uac70\ub098 \ub098\uac00\ub294 \ubaa8\ub4e0 \ub370\uc774\ud130 \ud328\ud0b7\uc744 \uac80\uc0ac\ud558\uc5ec \uad6c\uc131\ub41c \uc815\ucc45\uc5d0 \ub530\ub77c \ud5c8\uc6a9\ud558\uac70\ub098 \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ubc29\ud654\ubcbd\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\ub298\ub0a0 \uc5f0\uacb0\ub41c \uae30\uae30 \uc218\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \ub124\ud2b8\uc6cc\ud06c \uc704\ud611\ub3c4 \uc810\uc810 \ub354 \uc815\uad50\ud574\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubc29\ud654\ubcbd\uc740 \uacc4\uce35\uc801 \ubcf4\uc548 \uc804\ub7b5\uc5d0\uc11c <strong>\uccab \ubc88\uc9f8 \ubc29\uc5b4\uc120<\/strong> \uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc2dc\uc2a4\ud15c\uc744 \ud1b5\uacfc\ud558\ub294 \ud2b8\ub798\ud53d\uc774 \uc815\ub2f9\ud55c \uac83\ub9cc \ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5c5, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-data-center\/\">\ub370\uc774\ud130 \uc13c\ud130<\/a>, \uc2ec\uc9c0\uc5b4 \uac00\uc815\uc6a9 \ub124\ud2b8\uc6cc\ud06c\uae4c\uc9c0\ub3c4 \ubc29\ud654\ubcbd\uc5d0 \uc758\uc874\ud558\uc5ec \ub2e4\uc74c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc545\uc131 \ub610\ub294 \uc758\uc2ec\uc2a4\ub7ec\uc6b4 \ud2b8\ub798\ud53d \ucc28\ub2e8<\/p><\/li>\n\n\n\n<li><p>\ub370\uc774\ud130 \uc720\ucd9c \ubc0f \uce68\uc785 \uc2dc\ub3c4 \ubc29\uc9c0<\/p><\/li>\n\n\n\n<li><p>\ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5f0\uacb0\ub41c \uae30\uae30 \ubc0f \uc11c\ubc84 \ubcf4\ud638<\/p><\/li>\n\n\n\n<li><p>\uae30\uc5c5 \uc804\uccb4\uc758 \uc561\uc138\uc2a4 \uc81c\uc5b4 \uc815\ucc45 \uc2dc\ud589<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\uc808\ud788 \uad6c\uc131\ub41c \ubc29\ud654\ubcbd\uc744 \ubc30\ud3ec\ud568\uc73c\ub85c\uc368 \uc870\uc9c1\uc740 \ub79c\uc12c\uc6e8\uc5b4, DDoS \uacf5\uaca9, \ud53c\uc2f1 \ub4f1 \ub2e4\uc591\ud55c \uacf5\uaca9\uc5d0 \ub300\ud55c \ub178\ucd9c\uc744 \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \uc8fc\uc694 \ubc29\ud654\ubcbd \uc720\ud615<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc29\ud654\ubcbd\uc740 \uc5ec\ub7ec \uc720\ud615\uc73c\ub85c \uc81c\uacf5\ub418\uba70, \uac01 \uc720\ud615\uc740 \uc11c\ub85c \ub2e4\ub978 \uc218\uc900\uc758 \ubcf4\uc548 \ubc0f \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc94\uc8fc\ub97c \uc774\ud574\ud558\uba74 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4 \ubc0f IT \uad00\ub9ac\uc790\uac00 \uc790\uc2e0\uc758 \ud658\uacbd\uc5d0 \ub9de\ub294 \uc801\uc808\ud55c \uc194\ub8e8\uc158\uc744 \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud328\ud0b7 \ud544\ud130\ub9c1 \ubc29\ud654\ubcbd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uc624\ub798\ub418\uace0 \ub2e8\uc21c\ud55c \uc720\ud615\uc758 \ubc29\ud654\ubcbd\uc73c\ub85c, IP \uc8fc\uc18c, \ud3ec\ud2b8 \ubc0f <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ppp-point-to-point-protocol-explained\/\">\ud504\ub85c\ud1a0\ucf5c<\/a>. \uc744 \uae30\uc900\uc73c\ub85c \ub124\ud2b8\uc6cc\ud06c \ud328\ud0b7\uc744 \uac80\uc0ac\ud569\ub2c8\ub2e4. \uacbd\ub7c9\uc774\uc9c0\ub9cc \uace0\uae09 \ub9e5\ub77d \uc778\uc2dd \uae30\ub2a5\uc740 \ubd80\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc0c1\ud0dc \uac80\uc0ac \ubc29\ud654\ubcbd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\ub978 \uc774\ub984\uc73c\ub85c\ub294 <strong>\ub3d9\uc801 \ud328\ud0b7 \ud544\ud130\ub9c1 \ubc29\ud654\ubcbd<\/strong>, \uc774\ub77c\uace0 \ud558\uba70, \ud65c\uc131 \uc5f0\uacb0\uc758 \uc0c1\ud0dc\ub97c \ucd94\uc801\ud558\uace0 \uc54c\ub824\uc9c4 \ud65c\uc131 \uc138\uc158\uacfc \uc77c\uce58\ud558\ub294 \ud328\ud0b7\ub9cc \ud5c8\uc6a9\ud569\ub2c8\ub2e4. \uac1c\uc120\ub41c \ubcf4\uc548\uc744 \uc81c\uacf5\ud558\uba70 \uae30\uc5c5 \ud658\uacbd\uc5d0\uc11c \uad11\ubc94\uc704\ud558\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud504\ub85d\uc2dc \ubc29\ud654\ubcbd(\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35 \uac8c\uc774\ud2b8\uc6e8\uc774)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc6a9\uc790\uc640 \uc778\ud130\ub137 \uc0ac\uc774\uc5d0\uc11c \uc911\uac1c\uc790 \uc5ed\ud560\uc744 \ud558\uba70, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35\uc5d0\uc11c \ud2b8\ub798\ud53d\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4. \uc774 \uc720\ud615\uc740 \uc2ec\uce35 \uac80\uc0ac\ub97c \uc81c\uacf5\ud558\uace0 \ub0b4\ubd80 \ub124\ud2b8\uc6cc\ud06c \uad6c\uc870\ub97c \uc228\uae30\uc9c0\ub9cc, \uc9c0\uc5f0 \uc2dc\uac04(latency)\uc744 \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \ucc28\uc138\ub300 \ubc29\ud654\ubcbd(NGFW)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc2e0 NGFW\ub294 \uae30\uc874 \ud544\ud130\ub9c1 \uae30\ub2a5\uacfc <strong>\uce68\uc785 \ubc29\uc9c0, \uc2ec\uce35 \ud328\ud0b7 \uac80\uc0ac, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc778\uc2dd \uae30\ub2a5\uc744 \uacb0\ud569\ud569\ub2c8\ub2e4<\/strong>. \uc774\ub97c \ud1b5\ud574 \uae30\uc874 \ubc29\ud654\ubcbd\uc5d0\uc11c\ub294 \ub193\uce60 \uc218 \uc788\ub294 \uace0\ub3c4\ud654\ub41c \uc704\ud611\uc744 \ud0d0\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \ubc29\ud654\ubcbd \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"465\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9fd9076e16b74f51877a240f9b664fa7-1024x465.webp\" alt=\"Next-Generation Firewall (NGFW)\" class=\"wp-image-4671\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9fd9076e16b74f51877a240f9b664fa7-1024x465.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9fd9076e16b74f51877a240f9b664fa7-300x136.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9fd9076e16b74f51877a240f9b664fa7-768x349.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9fd9076e16b74f51877a240f9b664fa7-18x8.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9fd9076e16b74f51877a240f9b664fa7.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>\ub4e4\uc5b4\uc624\ub294 \ud2b8\ub798\ud53d\uc774 \ubc29\ud654\ubcbd \uc778\ud130\ud398\uc774\uc2a4\uc5d0 \ub3c4\ub2ec\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\ubc29\ud654\ubcbd\uc740 IP \uc8fc\uc18c, \ud3ec\ud2b8, <a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ppp-point-to-point-protocol-explained\/\" target=\"_blank\" rel=\"\">\ud504\ub85c\ud1a0\ucf5c<\/a>, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub610\ub294 \uc0ac\uc6a9\uc790\ubcc4\ub85c \ud328\ud0b7\uc744 \ubd84\ub958\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\ubc29\ud654\ubcbd\uc740 \ud328\ud0b7\uc744 \uc0ac\uc804 \uc815\uc758\ub41c \uaddc\uce59(\ud5c8\uc6a9, \uac70\ubd80, \uac80\uc0ac, \ud504\ub85d\uc2dc)\uacfc \ube44\uad50\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\uc0c1\ud0dc \uae30\ubc18(stateful) \uc7a5\uce58\uc758 \uacbd\uc6b0, \uc720\ud6a8\ud55c \uc138\uc158\uacfc \uc77c\uce58\ud558\ub294 \ud328\ud0b7\ub9cc \ud5c8\uc6a9\ub429\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\uc2ec\uce35 \uac80\uc0ac \ub610\ub294 \uc704\ud611 \uc778\ud154\ub9ac\uc804\uc2a4 \uc5d4\uc9c4\uc774 \ucd5c\uc885 \uacb0\uc815\uc744 \ub0b4\uae30 \uc804\uc5d0 \uc758\uc2ec\uc2a4\ub7ec\uc6b4 \ud2b8\ub798\ud53d \ud750\ub984\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \uac15\ud654\ub41c \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548\uc744 \uc704\ud55c \ubc29\ud654\ubcbd \ucd5c\uc120\uc758 \uad00\ud589<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uacac\uace0\ud55c \ubcf4\ud638\ub97c \uc720\uc9c0\ud558\ub824\uba74 \ubc29\ud654\ubcbd\uc744 \uc62c\ubc14\ub974\uac8c \uad6c\uc131\ud558\uace0 \uc815\uae30\uc801\uc73c\ub85c \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4.<br>\uc804\ubb38\uac00\ub4e4\uc774 \ub530\ub974\ub294 \ud575\uc2ec \ucd5c\uc120\uc758 \uad00\ud589\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uba85\ud655\ud55c \ubcf4\uc548 \uc815\ucc45 \uc218\ub9bd:<\/strong> \uc5ed\ud560, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc601\uc5ed\uc744 \uae30\uc900\uc73c\ub85c \ud5c8\uc6a9 \ub610\ub294 \ucc28\ub2e8\ud560 \ud2b8\ub798\ud53d\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p><strong>\uc815\uae30\uc801\uc778 \uaddc\uce59 \uac80\ud1a0:<\/strong> \uc624\ub798\ub418\uac70\ub098 \uc911\ubcf5\ub41c \ud56d\ubaa9\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574 \uaddc\uce59\uc744 \uac10\uc0ac\ud558\uace0 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p><strong>\ub85c\uae45 \ubc0f \ubaa8\ub2c8\ud130\ub9c1 \ud65c\uc131\ud654:<\/strong> \ube44\uc815\uc0c1\uc801\uc778 \ud328\ud134 \ub610\ub294 \ubb34\ub2e8 \uc811\uadfc \uc2dc\ub3c4\ub97c \ud0d0\uc9c0\ud558\uae30 \uc704\ud574 \ubc29\ud654\ubcbd \ub85c\uadf8\ub97c \ucd94\uc801\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p><strong>\ud38c\uc6e8\uc5b4 \uc5c5\ub370\uc774\ud2b8 \uc720\uc9c0:<\/strong> \uc815\uae30\uc801\uc778 \uc5c5\ub370\uc774\ud2b8\ub97c \ud1b5\ud574 \uc0c8\ub85c\uc6b4 \ucde8\uc57d\uc810\uc5d0 \ub300\ud55c \ubcf4\ud638\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p><strong>\uae30\ud0c0 \ubcf4\uc548 \uacc4\uce35\uacfc\uc758 \ud1b5\ud569:<\/strong> \ubc29\ud654\ubcbd\uc744 \uce68\uc785 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c(IDS), VPN, \uc5d4\ub4dc\ud3ec\uc778\ud2b8 \ubcf4\uc548\uacfc \ud568\uaed8 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \ubc29\ud654\ubcbd \uc120\ud0dd \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Define the <strong>\uc0ac\uc6a9 \uc0ac\ub840<\/strong>: \uc678\ubd80 \uacbd\uacc4(perimeter), \ub124\ud2b8\uc6cc\ud06c \ubd84\ud560(segmentation), \ub610\ub294 \ud074\ub77c\uc6b0\ub4dc \ubcf4\ud638.<\/p><\/li>\n\n\n\n<li><p>\ud3c9\uac00 <strong>\uc2a4\uc704\uce58 \uac04 \ub9c1\ud06c\uc758<\/strong> \uc804\uccb4 \uac80\uc0ac \ubd80\ud558 \ud558\uc5d0\uc11c\uc758 \uc131\ub2a5.<\/p><\/li>\n\n\n\n<li><p>\ub2e4\uc74c\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. <strong>SIEM, IAM, \ud074\ub77c\uc6b0\ub4dc API\uc640\uc758<\/strong> \ud1b5\ud569.<\/p><\/li>\n\n\n\n<li><p>\uc608\ub97c \ub4e4\uc5b4, LINK-PP \uad11 \ubaa8\ub4c8\uc740 \uae30\uc5c5 \ubc0f \ub370\uc774\ud130 \uc13c\ud130 \ud658\uacbd\uc5d0\uc11c \uac01 3rd-\ud30c\ud2f0 SFP\uac00 \uc2e0\ub8b0\uc131 \uc788\uac8c \uc791\ub3d9\ud558\ub3c4\ub85d \uc5ec\ub7ec \uc2a4\uc704\uce58 \ubaa8\ub378\uc744 \ud1b5\ud574 \uc5c4\uaca9\ud55c \ud14c\uc2a4\ud2b8\ub97c \uac70\uce69\ub2c8\ub2e4. <strong>\uc815\ucc45 \uad00\ub9ac<\/strong> \uac00 \uc9c1\uad00\uc801\uc774\uace0 \uac10\uc0ac \uac00\ub2a5\ud568.<\/p><\/li>\n\n\n\n<li><p>\uac80\ud1a0 \ub300\uc0c1 <strong>\ucd1d \uc18c\uc720 \ube44\uc6a9(TCO)\uc744<\/strong>, \uad6c\ub3c5 \ubc0f \uc5c5\ub370\uc774\ud2b8 \ud3ec\ud568.<\/p><\/li>\n\n\n\n<li><p>\ub2e4\uc74c\uc744 \ud655\uc778\ud558\uc138\uc694. <strong>\uacf5\uae09\uc5c5\uccb4 \ud22c\uba85\uc131<\/strong> \ubc0f \ubcf4\uc548 \ud328\uce58 \uc81c\uacf5 \ube48\ub3c4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f LINK-PP\uac00 \uc548\uc804\ud55c \ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c\ub97c \uc9c0\uc6d0\ud558\ub294 \ubc29\uc2dd<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3b428b4449d743c2ac63f7f7e0a1587a.webp\" alt=\"LINK-PP\" class=\"wp-image-4672\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3b428b4449d743c2ac63f7f7e0a1587a.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3b428b4449d743c2ac63f7f7e0a1587a-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3b428b4449d743c2ac63f7f7e0a1587a-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3b428b4449d743c2ac63f7f7e0a1587a-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3b428b4449d743c2ac63f7f7e0a1587a-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">At <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP<\/strong><\/a>, \uc6b0\ub9ac\ub294 \uc548\uc804\ud55c \uc5f0\uacb0\uc131\uc774 \ud558\ub4dc\uc6e8\uc5b4 \uacc4\uce35\uc5d0\uc11c \uc2dc\uc791\ub41c\ub2e4\ub294 \uc810\uc744 \uc774\ud574\ud569\ub2c8\ub2e4. \ub2f9\uc0ac\uc758 \uc81c\ud488 \ub77c\uc778\uc5c5\uc740 <strong>\uc790\uae30\uc2dd RJ45 \ucee4\ub125\ud130, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17548-lan-transformer.htm\"><strong>(\uc77c\ubc18\uc801\uc73c\ub85c 1500 Vrms)\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ubbfc\uac10\ud55c IC\ub97c \uacfc\uc804\uc555 \uc11c\uc9c0, \uadf8\ub77c\uc6b4\ub4dc \ub8e8\ud504 \ubc0f<\/strong><\/a><strong>, \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \ubaa8\ub4c8\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/strong> \uc774\ub4e4\uc740 \ubc29\ud654\ubcbd, \uc2a4\uc704\uce58 \ubc0f \ub77c\uc6b0\ud130 \uac04 \uc2e0\ub8b0\uc131 \uc788\ub294 \ud1b5\uc2e0\uc5d0 \ud544\uc218\uc801\uc778 \uc548\uc815\uc801\uc774\uace0 EMI \uc800\ud56d\uc131 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5c5\uc6a9 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc124\uacc4\ud558\ub4e0 PoE \uc9c0\uc6d0 \uc2dc\uc2a4\ud15c\uc744 \ud1b5\ud569\ud558\ub4e0 LINK-PP \ubd80\ud488\uc740 <strong>\uace0\uc131\ub2a5, \uc2e0\ud638 \ubb34\uacb0\uc131 \ubc0f \uc7a5\uae30 \uc2e0\ub8b0\uc131<\/strong>\uc744 \uc81c\uacf5\ud558\uc5ec \ubc29\ud654\ubcbd \uc194\ub8e8\uc158\uc774 \ucd5c\ub300 \ud6a8\uc728\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP\uc758 \uc81c\ud488\uad70 \ud0d0\uc0c9\ud558\uae30 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\">RJ45 \ucee4\ub125\ud130 \ubc0f \ub9e4\uadf8\ub124\ud2f1\uc2a4<\/a> \ub97c \ud1b5\ud574 \ud604\ub300 \uc0ac\uc774\ubc84\ubcf4\uc548 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 \uc548\uc804\ud558\uace0 \uace0\uc18d\uc758 \uc774\ub354\ub137 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubc29\ud654\ubcbd\uacfc \uce68\uc785 \ubc29\uc9c0 \uc2dc\uc2a4\ud15c(IPS)\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><br>\ubc29\ud654\ubcbd\uc740 \uc561\uc138\uc2a4 \uaddc\uce59\uc744 \uc2dc\ud589\ud558\uace0 \ud2b8\ub798\ud53d\uc744 \ud544\ud130\ub9c1\ud558\uc9c0\ub9cc,<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ips-intrusion-prevention-system-explained\/\"> \uce68\uc785 \ubc29\uc9c0 \uc2dc\uc2a4\ud15c(IPS)<\/a> \uc740 \uc545\uc131 \ucf58\ud150\uce20\ub97c \ud0d0\uc9c0\ud558\uae30 \uc704\ud574 \ud328\ud0b7\uc744 \ubd84\uc11d\ud558\uace0 \uacf5\uaca9\uc744 \ucc28\ub2e8\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \ucc28\uc138\ub300 \ubc29\ud654\ubcbd\uc740 \uc774 \ub450 \uae30\ub2a5\uc744 \ubaa8\ub450 \uacb0\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubc29\ud654\ubcbd\uc740 \ud558\ub4dc\uc6e8\uc5b4 \ubc29\ud654\ubcbd\ub9cc\ud07c \ud6a8\uacfc\uc801\uc778\uac00\uc694?<\/strong><br>\uc0ac\uc6a9 \uc0ac\ub840\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ud638\uc2a4\ud2b8 \uae30\ubc18 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubc29\ud654\ubcbd\uc740 \uc5d4\ub4dc\ud3ec\uc778\ud2b8 \ubcf4\uc548\uc5d0 \ud544\uc218\uc801\uc774\uba70, \ud558\ub4dc\uc6e8\uc5b4 \ub610\ub294 \uac00\uc0c1 \ubc29\ud654\ubcbd\uc740 \ub300\uaddc\ubaa8 \ud37c\ubbf8\ud130 \ubcf4\ud638\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ucd5c\uc120\uc758 \uc811\uadfc \ubc29\uc2dd\uc740 \ub450 \uac00\uc9c0\ub97c \ubaa8\ub450 \uacb0\ud569\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubc29\ud654\ubcbd \uaddc\uce59\uc740 \uc5bc\ub9c8\ub098 \uc790\uc8fc \uac80\ud1a0\ud574\uc57c \ud558\ub098\uc694?<\/strong><br>\ubc29\ud654\ubcbd \uc815\ucc45\uc740 \ubcf4\uc548 \uc900\uc218 \ubc0f \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ucd5c\uc18c \ubd84\uae30\ubcc4\ub85c \ub610\ub294 \uc8fc\uc694 \ub124\ud2b8\uc6cc\ud06c \ubcc0\uacbd\uc774 \ubc1c\uc0dd\ud560 \ub54c\ub9c8\ub2e4 \uac80\ud1a0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc29\ud654\ubcbd\uc740 \uc5ec\uc804\ud788 <strong>\ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548\uc758 \ud575\uc2ec \uc694\uc18c\uc785\ub2c8\ub2e4<\/strong>, \uc774\ub294 \ub370\uc774\ud130, \uc2dc\uc2a4\ud15c, \uc0ac\uc6a9\uc790\ub97c \uc99d\uac00\ud558\ub294 \ub2e4\uc591\ud55c \uc0ac\uc774\ubc84 \uc704\ud611\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4.<br>\ubc29\ud654\ubcbd\uc758 \uc720\ud615, \uae30\ub2a5, \uad6c\uc131 \ucd5c\uc801\ud654 \ubc29\ubc95\uc744 \uc774\ud574\ud558\uace0, <strong>LINK-PP\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uad6c\uc131 \uc694\uc18c\uc640 \ud568\uaed8 \ud65c\uc6a9\ud568\uc73c\ub85c\uc368<\/strong>\ubcf4\ub2e4 \uc548\uc804\ud558\uace0 \ud0c4\ub825\uc801\uc774\uba70 \uace0\uc131\ub2a5\uc758 \ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c\ub97c \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udee1\ufe0f \ucd94\ucc9c \uc77d\uc744\uac70\ub9ac<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.rj45-modularjack.com\/news\/poe-standards-complete-guide-ieee-802-3af-802-3at-and-802-3bt-246818.html\" target=\"_blank\" rel=\"\">PoE \ud45c\uc900(802.3af \/ at \/ bt) \uc774\ud574\ud558\uae30<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-nat-network-address-translation\/\" target=\"_blank\" rel=\"\">NAT(\ub124\ud2b8\uc6cc\ud06c \uc8fc\uc18c \ubcc0\ud658)\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/lldp-in-power-over-ethernet-systems\/\" target=\"_blank\" rel=\"\">\ud604\ub300 \uc774\ub354\ub137 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c LLDP\uac00 \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-cloud-storage\/\" target=\"_new\" rel=\"noopener\" class=\"decorated-link\">\ud074\ub77c\uc6b0\ub4dc \uc2a4\ud1a0\ub9ac\uc9c0\ub780 \ubb34\uc5c7\uc778\uac00\uc694? \uc7a5\uc810, \uc720\ud615 \ubc0f \uc0ac\uc6a9 \uc0ac\ub840<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ppp-point-to-point-protocol-explained\/\" target=\"_new\" rel=\"noopener\" class=\"decorated-link\">PPP(\uc810\ub300\uc810 \ud504\ub85c\ud1a0\ucf5c) \uc124\uba85<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-servers-components-types-functions\/\" target=\"_new\" rel=\"noopener\" class=\"decorated-link\">\uc11c\ubc84\ub780 \ubb34\uc5c7\uc778\uac00\uc694? \uad6c\uc131 \uc694\uc18c, \uc720\ud615 \ubc0f \uae30\ub2a5<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-data-center\/\" target=\"_new\" rel=\"noopener\" class=\"decorated-link\">\ub370\uc774\ud130 \uc13c\ud130\ub780 \ubb34\uc5c7\uc778\uac00\uc694? \uc544\ud0a4\ud14d\ucc98 \ubc0f \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c<\/a><\/p><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Learn what a firewall is, how different firewalls (stateful, proxy, NGFW, WAF) work, and practical selection &#038; deployment tips for secure networks.<\/p>","protected":false},"author":1,"featured_media":4673,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[22,23,24],"class_list":["post-4674","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-integrated-rj45-connectors","tag-link-pp-lan-transformers","tag-link-pp"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/comments?post=4674"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4674\/revisions"}],"predecessor-version":[{"id":11352,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4674\/revisions\/11352"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/4673"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=4674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=4674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=4674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}