{"id":440,"date":"2024-05-18T17:15:12","date_gmt":"2024-05-18T17:15:12","guid":{"rendered":"https:\/\/www.circlecityinternet.com\/?p=440"},"modified":"2024-05-23T04:07:03","modified_gmt":"2024-05-23T04:07:03","slug":"protecting-a-network","status":"publish","type":"post","link":"https:\/\/www.circlecityinternet.com\/ko\/our-ramblings\/protecting-a-network\/","title":{"rendered":"\ub124\ud2b8\uc6cc\ud06c \ubcf4\ud638"},"content":{"rendered":"<p>\"\ub124\ud2b8\uc6cc\ud06c\ub294 \uc5bc\ub9c8\ub098 \uc548\uc804\ud55c\uac00\uc694?\"<\/p>\n\n\n\n<p>\uc774\ub7ec\ud55c \uc9c8\ubb38\uc744 \uba87 \ubc88 \ubc1b\uc740 \uc801\uc774 \uc788\uc5b4\uc11c \uc774\uc5d0 \ub300\ud55c \ube14\ub85c\uadf8 \ud3ec\uc2a4\ud305\uc744 \uc791\uc131\ud558\ub294 \uac83\uc774 \uc801\uc808\ud558\ub2e4\uace0 \uc0dd\uac01\ud588\uc2b5\ub2c8\ub2e4.  \uc790\uc138\ud55c \uae30\uc220\uc801\uc778 \ub0b4\uc6a9\uc740 \ub2e4\ub8e8\uc9c0 \uc54a\uace0 \ud45c\uc900 \ubcf4\uc548 \uad00\ud589\uacfc \uc774\ub97c \ud648 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc911\uc810\uc801\uc73c\ub85c \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>\ub124\ud2b8\uc6cc\ud06c \ubd84\ub9ac<\/strong> - <\/p>\n\n\n\n<p>\uc800\ud76c\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \ubb3c\ub9ac\uc801\uc73c\ub85c \ub610\ub294 VLAN\uacfc \uac19\uc740 \uac00\uc0c1 \uc218\ub2e8\uc744 \ud1b5\ud574 \uc5ec\ub7ec \uc138\uadf8\uba3c\ud2b8\ub85c \ub098\ub204\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ubcf4\uc548 \uce68\ud574(\ubc1c\uc0dd \uc2dc)\ub97c \ub124\ud2b8\uc6cc\ud06c\uc758 \ub2e8\uc77c \uc601\uc5ed\/\uc138\uadf8\uba3c\ud2b8\ub85c \uc81c\ud55c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uac01 \uc601\uc5ed\uc5d0 \uc11c\ub85c \ub2e4\ub978 \ubcf4\uc548 \uc81c\uc5b4 \ubc0f \ubaa8\ub2c8\ud130\ub9c1\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <br><br>\ub124\ud2b8\uc6cc\ud06c\ub97c \uc5b4\ub5bb\uac8c \ubd84\ub9ac\ud560 \uc218 \uc788\ub098\uc694? \ub124\ud2b8\uc6cc\ud06c \ubd84\ub9ac\ub97c \ud1b5\ud574 \ud648 \ub124\ud2b8\uc6cc\ud06c\ub97c \ubcf4\ud638\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc740 \uc5ec\ub7ec \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uac8c\uc2a4\ud2b8 Wi-Fi\ub97c \ub2e4\ub978 VLAN\uacfc SSID\uc5d0 \uc124\uc815\ud558\uc5ec \uac8c\uc2a4\ud2b8 \uc911 \ud55c \uba85\uc774 \ud574\ud0b9\ub41c \uae30\uae30\ub97c \uac00\uc9c0\uace0 \uc624\ub354\ub77c\ub3c4 \ub124\ud2b8\uc6cc\ud06c\ub97c \uac10\uc5fc\uc2dc\ud0a4\uc9c0 \uc54a\ub3c4\ub85d \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ub294 IoT \ub514\ubc14\uc774\uc2a4\ub098 \uc2a4\ub9c8\ud2b8 \uae30\uae30\ub97c \ub2e4\ub978 \uac00\uc0c1 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5f0\uacb0\ud558\uace0 \uc2f6\uc744 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ub294 \ubcf4\uc548 \uce74\uba54\ub77c\uac00 \ub354 \uc5c4\uaca9\ud55c \ubcf4\uc548 \uc870\uce58\ub97c \uac16\ucd98 \ubb3c\ub9ac\uc801\uc73c\ub85c \ub2e4\ub978 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc788\uae30\ub97c \uc6d0\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c\uc758 \ubcf4\uc548\uc744 \uac15\ud654\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc740 \uc5ec\ub7ec \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>\ub124\ud2b8\uc6cc\ud06c \uc7a0\uae08<\/strong> - <\/p>\n\n\n\n<p>\uc774\uac83\uc740 \uaf64 \uad11\ubc94\uc704\ud569\ub2c8\ub2e4. \uc6b0\uc120 \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44\ub294 \uc7a0\uae08 \uc7a5\uce58, \uc7a0\uae34 \uce90\ube44\ub2db, \ubcf4\uc548 \uce74\uba54\ub77c \ub4f1 \uc5ec\ub7ec \ub2e8\uacc4\uc758 \ubb3c\ub9ac\uc801 \ubcf4\uc548\uc744 \ud1b5\ud574 \ubb3c\ub9ac\uc801\uc73c\ub85c \ubcf4\ud638\ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub514\uc9c0\ud138 \ubcf4\uc548\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ubaa8\ub4e0 \uc7a5\uce58\uc5d0\ub294 \uc11c\ub85c \ub2e4\ub978 \ubcf4\uc548 \ube44\ubc00\ubc88\ud638\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uac00\ub2a5\ud55c \uacbd\uc6b0 \ub2e4\ub2e8\uacc4 \uc778\uc99d(MFA)\uc774 \ubc30\ud3ec\ub429\ub2c8\ub2e4.  <\/p>\n\n\n\n<p>\ubc29\ud654\ubcbd\uc758 \uad00\uc810\uc5d0\uc11c \ubcf4\uba74 \uae30\ubcf8\uc801\uc73c\ub85c \ubaa8\ub4e0 \uae30\ub2a5\uc774 \ube44\ud65c\uc131\ud654\ub418\uace0 \ucc28\ub2e8\ub429\ub2c8\ub2e4. \ube44\uc988\ub2c8\uc2a4\ub97c \uc218\ud589\ud558\ub294 \ub370 \ud544\uc694\ud55c \uac83\ub9cc \uac1c\ubc29\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 DDoS \uacf5\uaca9, DNS \uc99d\ud3ed \uacf5\uaca9 \ub4f1\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798 \uc2a4\ud06c\ub9b0\uc0f7\uc744 \uc608\ub85c \ub4e4\uc5b4\ubcf4\uba74 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc545\uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\ub294 DNS \uc99d\ud3ed\uc744 \ucc28\ub2e8\ud558\ub294 \ud558\ub098\uc758 \ud544\ud130\uc77c \ubfd0\uc785\ub2c8\ub2e4. \ub2f9\uc0ac\ub294 \ucd08\ub2f9 1,000\uac1c \uc774\uc0c1\uc758 \uc678\ubd80 DNS \uc694\uccad\uc744 \ucc28\ub2e8\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4(\uc774 \uae00\uc744 \uc4f0\ub294 \uc2dc\uc810 \uae30\uc900). <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"833\" height=\"673\" src=\"https:\/\/www.circlecityinternet.com\/wp23\/wp-content\/uploads\/2024\/05\/DNS_Amplification.png\" alt=\"\" class=\"wp-image-441\" srcset=\"https:\/\/www.circlecityinternet.com\/wp23\/wp-content\/uploads\/2024\/05\/DNS_Amplification.png 833w, https:\/\/www.circlecityinternet.com\/wp23\/wp-content\/uploads\/2024\/05\/DNS_Amplification-300x242.png 300w, https:\/\/www.circlecityinternet.com\/wp23\/wp-content\/uploads\/2024\/05\/DNS_Amplification-768x620.png 768w\" sizes=\"(max-width: 833px) 100vw, 833px\" \/><\/figure>\n\n\n\n<p>\ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc7a0\uae08\uc744 \uad6c\ud604\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694? \uc6b0\uc120, \ubb3c\ub9ac\uc801 \ubcf4\uc548\uc740 \ub098\uc05c \uc0dd\uac01\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub77c\uc6b0\ud130\uc640 \uc2a4\uc704\uce58\ub97c \ub208\uc5d0 \uc798 \ub744\ub294 \uacf3\uc5d0 \ub450\uc9c0 \ub9c8\uc138\uc694. Wi-Fi\uac00 \ub0b4\uc7a5\ub41c \ub514\ubc14\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, \uce90\ube44\ub2db\uc5d0 \ub450\ub294 \uac83\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub3c5\ub9bd\ud615 \uc640\uc774\ud30c\uc774 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8\ub97c \uace0\ub824\ud558\uc138\uc694. \ubcf4\uae30\uc5d0\ub3c4 \uc88b\uace0, \uc9d1 \uc804\uccb4\uc5d0 \ub354 \ub098\uc740 \ucee4\ubc84\ub9ac\uc9c0\ub97c \uc81c\uacf5\ud558\uba70, \ubb3c\ub9ac\uc801 \ubcf4\uc548 \uacc4\uce35\uc744 \ucd94\uac00\ud560 \uc218 \uc788\ub294 \ucc9c\uc7a5 \uc7a5\ucc29\ud615 \uc7a5\uce58\uac00 \ub9ce\uc774 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<p>\ub77c\uc6b0\ud130\uc5d0\uc11c \ubc29\ud654\ubcbd\uc774 \ud65c\uc131\ud654\ub418\uc5b4 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694. \ucd5c\uc2e0 \ub77c\uc6b0\ud130\uc5d0\ub294 \uc218\ub9ce\uc740 \uae30\ub2a5\uc774 \ud0d1\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc0ac\uc6a9 \uc911\uc778 \uae30\ub2a5\ub9cc \ud65c\uc131\ud654\ud558\uc138\uc694. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc7a0\uc7ac\uc801 \uc778 \uad6c\uba4d\uc744 \uc5ec\ub294 \uac83\uc785\ub2c8\ub2e4. \uc9d1\uc758 \ucc3d\ubb38\uc774 \uc5ec\ub7ec \uac1c \uc5f4\ub824 \uc788\ub2e4\uba74 \ud604\uad00\ubb38\uc5d0 \uc790\ubb3c\uc1e0\ub97c \ucc44\uc6cc\ub3c4 \uc18c\uc6a9\uc774 \uc5c6\ub294 \uac83\uacfc \uac19\uc740 \uc774\uce58\uc785\ub2c8\ub2e4.  <\/p>\n\n\n\n<p>\uac15\ub825\ud55c \ube44\ubc00\ubc88\ud638\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \uc774\uac83\ub9cc \ud574\ub3c4 \ube14\ub85c\uadf8 \ud3ec\uc2a4\ud305 \uc804\uccb4\ub97c \uc4f8 \uc218 \uc788\uc744 \uc815\ub3c4\uc785\ub2c8\ub2e4. \ub77c\uc6b0\ud130, \uc640\uc774\ud30c\uc774\uc758 SSID \ub4f1\uc5d0 \uae30\ubcf8 \ube44\ubc00\ubc88\ud638\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\uc9c0 \uc54a\uc740\uc9c0 \ud655\uc778\ud558\uc138\uc694. \uc55e\uc11c \uac8c\uc2a4\ud2b8 \uc640\uc774\ud30c\uc774\uc5d0 \ub300\ud574 \uc774\uc57c\uae30\ud588\uc73c\ub2c8 \uc7a0\uc2dc\ub9cc \ub354 \uc774\uc57c\uae30\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc77c\ubc18 \uc640\uc774\ud30c\uc774\uc5d0\ub294 \uc554\ud638\ud654\ub41c \ube44\ubc00\ubc88\ud638\uac00 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ube44\ubc00\ubc88\ud638\ub97c \uc785\ub825\ud560 \ub54c \ub208\uc774 \ub9c8\uc8fc\uce60 \uc815\ub3c4\ub85c \uae38\uac8c \ub9cc\ub4dc\uc138\uc694. \uadf8\ub7ec\uba74 \uac8c\uc2a4\ud2b8 \uc640\uc774\ud30c\uc774 \ube44\ubc00\ubc88\ud638\ub97c \uc870\uae08 \ub354 \uc27d\uac8c \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uc804\ud788 \uc548\uc804\ud574\uc57c \ud558\uc9c0\ub9cc \uae30\uc5b5\ud558\uae30 \uc26c\uc6b4 \ubb38\uad6c\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac8c\uc2a4\ud2b8 \uc640\uc774\ud30c\uc774\ub97c \uc2a4\ub85c\ud2c0\ub9c1\ud560 \uc218 \uc788\ub294 \uae30\ub2a5\uc774 \uc788\ub2e4\uba74 \uadf8\ub807\uac8c \ud558\uc138\uc694. \uc774\ub807\uac8c \ud558\uba74 \ub204\uad70\uac00\uac00 \uac8c\uc2a4\ud2b8 \uc640\uc774\ud30c\uc774 \ube44\ubc00\ubc88\ud638\ub97c \uc54c\uc544\ub0b4\ub354\ub77c\ub3c4 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc778\ud130\ub137 \uc5f0\uacb0\uc744 \ubaa8\ub450 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uac8c \ub429\ub2c8\ub2e4. <\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>NAT(\ub124\ud2b8\uc6cc\ud06c \uc8fc\uc18c \ubcc0\ud658) \uc0ac\uc6a9<\/strong> - <\/p>\n\n\n\n<p>\uc774\ub294 \uc678\ubd80\uc640\uc758 \uc778\ud130\ub137 \ud1b5\uc2e0\uc744 \uc704\ud574 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc0ac\uc124 IP \uc8fc\uc18c\ub97c \uacf5\uc6a9 IP\ub85c \ubcc0\ud658\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. IPv4\ub294 \uc624\ub798 \uc804\uc5d0 \uace0\uac08\ub418\uc5c8\uc73c\ubbc0\ub85c \uc774 \ub9ac\uc18c\uc2a4\ub97c \ubcf4\uc874\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c NAT\uc758 \uc5ed\ud560\uc785\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc73c\ub85c \uc800\ud76c\ub294 \uace0\uac1d\uc5d0\uac8c \uacf5\uc778 IP\ub97c \uc81c\uacf5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub2f9\uc0ac\uc758 IPv4 \ud560\ub2f9\ub7c9\uc744 \ubcf4\uc874\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \ubfd0\ub9cc \uc544\ub2c8\ub77c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uac1c\uc778\uc815\ubcf4 \ubcf4\ud638 \ubc0f \ubcf4\uc548 \uc218\uc900\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uacf5\uc6a9 IP\uac00 \ub77c\uc6b0\ud130\uc5d0 \uc9c1\uc811 \ub178\ucd9c\ub418\ub294 \ub300\uc2e0 \ub0b4\ubd80 IP\uac00 \uc81c\uacf5\ub429\ub2c8\ub2e4. \uacf5\uc778 IP\ub97c \uc6d0\ud558\ub294 \uacbd\uc6b0\uc5d0\ub3c4 \ucd94\uac00 \ube44\uc6a9\uc744 \uc9c0\ubd88\ud558\uba74 \uc774\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ubb38\uc758\ud558\uc138\uc694. <\/p>\n\n\n\n<p>NAT\uac00 \uac8c\uc784 \ubc0f VOIP \uc11c\ube44\uc2a4\uc5d0 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0a8\ub2e4\ub294 \uac83\uc740 \uc624\ub7ab\ub3d9\uc548 \uc54c\ub824\uc9c4 \uc0ac\uc2e4\uc785\ub2c8\ub2e4. \ud558\uc9c0\ub9cc IPv4\uac00 \uace0\uac08\ub418\uba74\uc11c \uc11c\ube44\uc2a4 \uc81c\uacf5\uc5c5\uccb4\ub4e4\uc774 \uadf8 \uc5b4\ub290 \ub54c\ubcf4\ub2e4 NAT\uc758 \ud544\uc694\uc131\uc744 \uc808\uac10\ud558\uace0 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc774 \ubb38\uc81c\ub294 \uc810\uc810 \uc904\uc5b4\ub4e4\uace0 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<p>\ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c NAT\ub97c \uc5b4\ub5bb\uac8c \uc0ac\uc6a9\ud558\ub098\uc694? \ub300\ubd80\ubd84\uc758 \uc18c\ube44\uc790 \ub77c\uc6b0\ud130\uc5d0\ub294 NAT\uac00 \uc790\ub3d9\uc73c\ub85c \ud65c\uc131\ud654\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uac83\uc774 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c 192.168.0.x IP\ub97c \ub9cc\ub4e4\uace0 \ub514\ubc14\uc774\uc2a4\uac00 \uc5ec\uc804\ud788 \uc778\ud130\ub137\uacfc \ud1b5\uc2e0\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uae30\ub2a5\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>\ubaa8\ub4e0 \uac83\uc744 \ubaa8\ub2c8\ud130\ub9c1<\/strong> - <\/p>\n\n\n\n<p>\ubcf4\uc548\uc744 \uc704\ud574 \uc5bc\ub9c8\ub098 \ub9ce\uc740 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub4e0, \ubb34\uc5c7\uc744 \uad6c\ud604\ud558\ub4e0 \ubaa8\ub2c8\ud130\ub9c1\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc0c8\ub85c\uc6b4 \ucde8\uc57d\uc810, \uc0c8\ub85c\uc6b4 \uc775\uc2a4\ud50c\ub85c\uc787\uc744 \ucc3e\uc544\ub0b4\uace0 \ubd88\ud544\uc694\ud55c \uae30\ub2a5\uc744 \ube44\ud65c\uc131\ud654\ud558\uac70\ub098 \ucc28\ub2e8\ud574\uc57c \ud569\ub2c8\ub2e4.  \ub610\ud55c \ubaa8\ub2c8\ud130\ub9c1\uc744 \ud1b5\ud574 \uc7a0\uc7ac\uc801\uc778 \ubb38\uc81c\ub97c \ub098\ud0c0\ub0bc \uc218 \uc788\ub294 \ube44\uc815\uc0c1\uc801\uc778 \ud2b8\ub798\ud53d\uc774 \ubc1c\uc0dd\ud558\uac70\ub098 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud588\uc744 \ub54c \uc774\ub97c \ud30c\uc545\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<p>\ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548\uacfc \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548 \ubc29\ubc95\uc5d0 \uad00\ud574 \ub2e4\ub8e8\uc5b4\uc57c \ud560 \ub0b4\uc6a9\uc774 \ub108\ubb34 \ub9ce\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \ucc98\ub9ac \ubc0f \ubcf4\uc548\uc5d0 \ub300\ud55c \uba54\ud2b8\ub9ad\uacfc \ud45c\uc900\uc744 \uac1c\ubc1c\ud558\ub294 \uc870\uc9c1(\uc815\ubd80 \ubc0f \uae30\ud0c0)\uc774 \ub9ce\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \uc800\ud76c\uac00 \uc0ac\uc6a9\ud55c \uba87 \uac00\uc9c0 \ubc29\ubc95\uacfc \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc774\ub97c \uad6c\ud604\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574\uc11c\ub9cc \uc5b8\uae09\ud588\uc2b5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548\uc5d0 \ub300\ud574 \ub9e4\uc6b0 \uc9c4\uc9c0\ud558\uac8c \uace0\ubbfc\ud558\uace0 \uacc4\uc2e0\ub2e4\uba74 \uc5b8\uc81c\ub4e0\uc9c0 \ubb38\uc758\ud558\uc2dc\uba74 \uc800\ud76c \ud300\uc6d0 \uc911 \ud55c \uba85\uc774 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ubaa8\ubc94 \uc0ac\ub840\ub97c \uad6c\ud604\ud560 \uc218 \uc788\ub3c4\ub85d \ucee8\uc124\ud134\ud2b8\uc640 \uc5f0\uacb0\ud574 \ub4dc\ub9b4 \uac83\uc785\ub2c8\ub2e4. <\/p>","protected":false},"excerpt":{"rendered":"<p>&#8220;How secure is your network?&#8221; We&#8217;ve had the question asked a few times, so we figured it was appropriate to write a blog post about it. Without going into alot of technical details, I will highlight standard security practices and how you can implement them in your own home network. Segregating our network &#8211; We [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":443,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-440","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Protecting a Network | CIRCLE CITY INTERNET<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.circlecityinternet.com\/ko\/our-ramblings\/protecting-a-network\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Protecting a Network | CIRCLE CITY INTERNET\" \/>\n<meta property=\"og:description\" content=\"&#8220;How secure is your network?&#8221; We&#8217;ve had the question asked a few times, so we figured it was appropriate to write a blog post about it. Without going into alot of technical details, I will highlight standard security practices and how you can implement them in your own home network. 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