{"id":476912,"date":"2023-08-09T09:05:02","date_gmt":"2023-08-09T09:05:02","guid":{"rendered":""},"modified":"2023-09-05T11:13:39","modified_gmt":"2023-09-05T11:13:39","slug":"dns-port","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/dns-port\/","title":{"rendered":"DNS \ud3ec\ud2b8"},"content":{"rendered":"<p>DNS(\ub3c4\uba54\uc778 \uc774\ub984 \uc2dc\uc2a4\ud15c)\ub294 \uc0ac\ub78c\uc774 \uc77d\uc744 \uc218 \uc788\ub294 \ub3c4\uba54\uc778 \uc774\ub984\uc744 IP \uc8fc\uc18c\ub85c \ubcc0\ud658\ud558\uc5ec \uc7a5\uce58\uac00 \uc11c\ub85c \ucc3e\uace0 \ud1b5\uc2e0\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uc778\ud130\ub137\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc785\ub2c8\ub2e4. DNS\ub294 \uc791\uc5c5\uc744 \uc704\ud574 \ub2e4\uc591\ud55c \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud558\uba70 \uac00\uc7a5 \uc911\uc694\ud55c \uac83 \uc911 \ud558\ub098\ub294 DNS \ud3ec\ud2b8\uc785\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \ud2b9\ud788 \ud504\ub85d\uc2dc \uc11c\ubc84\uc640 \uad00\ub828\ud558\uc5ec DNS \ud3ec\ud2b8\uc758 \uc5ed\uc0ac, \uad6c\uc870, \uc720\ud615, \uc0ac\uc6a9\ubc95 \ubc0f \ud5a5\ud6c4 \uc804\ub9dd\uc744 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>DNS \ud3ec\ud2b8\uc758 \uc720\ub798\uc640 \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac<\/h2>\n<p>DNS \ud504\ub85c\ud1a0\ucf5c\uc740 1983\ub144\uc5d0 \ucc98\uc74c \uc18c\uac1c\ub418\uc5c8\uc9c0\ub9cc DNS \ud3ec\ud2b8 \ubc88\ud638(UDP \ud3ec\ud2b8 53)\uc5d0 \ub300\ud55c \uc0ac\uc591\uc740 \ub098\uc911\uc5d0 1983\ub144 11\uc6d4 RFC 883\uc5d0\uc11c \uc815\uc758\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \ud3ec\ud2b8 \ubc88\ud638\ub294 UDP \ubc0f TCP \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c \ubaa8\ub450\uc5d0 \ub300\ud574 DNS\uc5d0 \ud560\ub2f9\ub418\uc5b4 DNS \ucffc\ub9ac\ub97c \ud5c8\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uad50\ud658\ub420 \uc751\ub2f5.<\/p>\n<h2>DNS \ud3ec\ud2b8\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4\uc785\ub2c8\ub2e4. \uc8fc\uc81c DNS \ud3ec\ud2b8\ub97c \ud655\uc7a5\ud569\ub2c8\ub2e4.<\/h2>\n<p>DNS \ud3ec\ud2b8\ub294 UDP(\uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uadf8\ub7a8 \ud504\ub85c\ud1a0\ucf5c)\uc640 TCP(\uc804\uc1a1 \uc81c\uc5b4 \ud504\ub85c\ud1a0\ucf5c)\ub77c\ub294 \ub450 \uac00\uc9c0 \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc791\ub3d9\ud569\ub2c8\ub2e4. UDP\ub294 DNS \ucffc\ub9ac\uc5d0 \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uae30\ubcf8 \ud504\ub85c\ud1a0\ucf5c\ub85c, \uc5f0\uacb0\uc774 \uc5c6\ub294 \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ub354 \ube60\ub978 \ud1b5\uc2e0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ubc18\uba74\uc5d0 TCP\ub294 UDP \ud328\ud0b7\uc758 \ucd5c\ub300 \ud06c\uae30\ub97c \ucd08\uacfc\ud558\ub294 \ub300\uaddc\ubaa8 DNS \uc751\ub2f5\uc774\ub098 \uc601\uc5ed \uc804\uc1a1 \uc791\uc5c5\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>DNS \ud3ec\ud2b8\uc758 \ub0b4\ubd80 \uad6c\uc870\uc785\ub2c8\ub2e4. DNS \ud3ec\ud2b8\uc758 \uc791\ub3d9 \ubc29\uc2dd.<\/h2>\n<p>DNS \ud3ec\ud2b8\ub294 OSI \ubaa8\ub378\uc758 \uc804\uc1a1 \uacc4\uce35\uc5d0\uc11c \uc791\ub3d9\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35(DNS\uac00 \uc791\ub3d9\ud558\ub294 \uacf3)\uacfc \uae30\ubcf8 \ub124\ud2b8\uc6cc\ud06c \uacc4\uce35 \uac04\uc758 \ud1b5\uc2e0\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4. DNS \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 DNS \uc11c\ubc84\uc5d0 \ucffc\ub9ac\ub97c \ubcf4\ub0bc \ub54c \ud3ec\ud2b8 53\uc744 UDP \ubc0f TCP \ud504\ub85c\ud1a0\ucf5c\uc758 \ub300\uc0c1 \ud3ec\ud2b8\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uadf8\ub7ec\uba74 DNS \uc11c\ubc84\ub294 \uc18c\uc2a4 \ud3ec\ud2b8 53\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0 \ub2e4\uc2dc \uc751\ub2f5\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c\uc740 DNS \ucffc\ub9ac \ud504\ub85c\uc138\uc2a4\uc5d0 \ub300\ud55c \uac04\ub7b5\ud55c \uac1c\uc694\uc785\ub2c8\ub2e4.<\/p>\n<ol>\n<li>DNS \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \ud3ec\ud2b8 53(UDP \ub610\ub294 TCP)\uc744 \ud1b5\ud574 DNS \uc11c\ubc84\uc5d0 \ucffc\ub9ac\ub97c \ubcf4\ub0c5\ub2c8\ub2e4.<\/li>\n<li>DNS \uc11c\ubc84\ub294 \ucffc\ub9ac\ub97c \ucc98\ub9ac\ud558\uace0 \uc694\uccad\ub41c \uc815\ubcf4\ub85c \uc751\ub2f5\ud569\ub2c8\ub2e4.<\/li>\n<li>DNS \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \ud3ec\ud2b8 53\uc5d0\uc11c \uc751\ub2f5\uc744 \ubc1b\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>DNS \ud3ec\ud2b8\uc758 \uc8fc\uc694 \uae30\ub2a5 \ubd84\uc11d.<\/h2>\n<p>DNS \ud3ec\ud2b8\uc758 \uc8fc\uc694 \uae30\ub2a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud3ec\ud2b8 \ubc88\ud638<\/strong>: DNS\ub294 UDP \ubc0f TCP \ud504\ub85c\ud1a0\ucf5c \ubaa8\ub450\uc5d0 \ud3ec\ud2b8 53\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c<\/strong>: \ub354 \ube60\ub978 \ucffc\ub9ac\ub97c \uc704\ud574 UDP\ub97c \ud1b5\ud55c \ud1b5\uc2e0\uc744 \uc9c0\uc6d0\ud558\uace0 \ub300\uaddc\ubaa8 \uc751\ub2f5 \ub610\ub294 \uc601\uc5ed \uc804\uc1a1\uc744 \uc704\ud574 TCP\ub97c \ud1b5\ud55c \ud1b5\uc2e0\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2e0\ub8b0\ud560 \uc218 \uc788\uc74c<\/strong>: UDP\ub294 \uc18d\ub3c4\uac00 \ube60\ub974\uc9c0\ub9cc \uc624\ub958 \ud655\uc778 \uba54\ucee4\ub2c8\uc998\uc774 \ubd80\uc871\ud55c \ubc18\uba74 TCP\ub294 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>DNS \ud3ec\ud2b8 \uc720\ud615<\/h2>\n<p>DNS \ud3ec\ud2b8\ub294 \ud3ec\ud2b8 \ubc88\ud638 53 \ud558\ub098\ubfd0\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud574\ub2f9 \uc6a9\ub3c4\ub294 \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub530\ub77c \ub450 \uac00\uc9c0 \uc720\ud615\uc73c\ub85c \ubd84\ub958\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>DNS UDP \ud3ec\ud2b8(UDP\/53)<\/strong>: \uc774\ub294 DNS \ucffc\ub9ac\uc5d0 \ub300\ud55c \uae30\ubcf8 \ud1b5\uc2e0 \ubaa8\ub4dc\uc785\ub2c8\ub2e4. \uc18d\ub3c4\ub294 \ub354 \ube60\ub974\uc9c0\ub9cc \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\ub2ec\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>DNS TCP \ud3ec\ud2b8(TCP\/53)<\/strong>: \uc751\ub2f5 \ub370\uc774\ud130\uac00 UDP \ud328\ud0b7\uc758 \ucd5c\ub300 \ud55c\ub3c4\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 \ub610\ub294 \uc601\uc5ed \uc804\uc1a1\uc744 \uc218\ud589\ud560 \ub54c TCP\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<p>\uc720\ud615\uc744 \ud45c\ub85c \uc694\uc57d\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>\uaddc\uc57d<\/th>\n<th>\uc6a9\ubc95<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DNS UDP \ud3ec\ud2b8<\/td>\n<td>UDP<\/td>\n<td>DNS \ucffc\ub9ac\uc758 \uae30\ubcf8\uac12\uc785\ub2c8\ub2e4. \ub354 \ube60\ub974\uac8c.<\/td>\n<\/tr>\n<tr>\n<td>DNS TCP \ud3ec\ud2b8<\/td>\n<td>TCP<\/td>\n<td>\ub300\uaddc\ubaa8 \uc751\ub2f5\uc774\ub098 \uc804\uc1a1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNS \ud3ec\ud2b8\uc758 \uc0ac\uc6a9\ubc29\ubc95\uacfc \uc0ac\uc6a9\uc5d0 \ub530\ub978 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0\ubc29\ubc95<\/h2>\n<h3>DNS \ud3ec\ud2b8 \uc0ac\uc6a9 \ubc29\ubc95<\/h3>\n<p>DNS \ud3ec\ud2b8\ub294 \uc8fc\ub85c \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uac04\uc758 DNS \ucffc\ub9ac \ubc0f \uc751\ub2f5 \uc791\uc5c5\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub3c4\uba54\uc778 \uc774\ub984\uc744 IP \uc8fc\uc18c\ub85c \ud655\uc778\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uc778\ud130\ub137 \uc778\ud504\ub77c\uc758 \ud544\uc218 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n<h3>\uc774\uc6a9\uc5d0 \ub530\ub978 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0 \ubc29\ubc95<\/h3>\n<ol>\n<li>\n<p><strong>DNS \uacf5\uaca9<\/strong>: DNS\ub294 DNS \uc2a4\ud478\ud551, DDoS \uacf5\uaca9, \uce90\uc2dc \uc911\ub3c5 \ub4f1 \ub2e4\uc591\ud55c \uacf5\uaca9\uc5d0 \ucde8\uc57d\ud569\ub2c8\ub2e4. DNSSEC(DNS \ubcf4\uc548 \ud655\uc7a5)\ub97c \uad6c\ud604\ud558\uba74 \uc774\ub7ec\ud55c \ubcf4\uc548 \uc704\ud5d8\uc744 \uc644\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>DNS \uacfc\ubd80\ud558<\/strong>: DNS \ucffc\ub9ac \uc18d\ub3c4\uac00 \ub192\uac70\ub098 DNS \uc751\ub2f5\uc774 \ud06c\uba74 DNS \uc11c\ubc84\uc5d0 \uacfc\ubd80\ud558\uac00 \uac78\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub85c\ub4dc \ubc38\ub7f0\uc2f1\uacfc \ub354 \ub9ce\uc740 \uc11c\ubc84 \ubc30\ud3ec\ub97c \ud1b5\ud574 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>DNS \ud655\uc778 \uc9c0\uc5f0<\/strong>: \ub290\ub9b0 DNS \uc751\ub2f5\uc740 \uc6f9\uc0ac\uc774\ud2b8 \ub85c\ub529 \uc2dc\uac04\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. DNS \ub808\ucf54\ub4dc\ub97c \ub85c\uceec\ub85c \uce90\uc2f1\ud558\uace0 \ub354 \ube60\ub978 DNS \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud558\uba74 \ud655\uc778 \uc2dc\uac04\uc774 \ud5a5\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uae30\ud0c0 \uc720\uc0ac\ud55c \uc6a9\uc5b4\uc640\uc758 \ube44\uad50\ub97c \ud45c\uc640 \ubaa9\ub85d \ud615\ud0dc\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/h2>\n<p>\uc5ec\uae30\uc11c\ub294 DNS \ud3ec\ud2b8\ub97c \ub2e4\ub978 \uad00\ub828 \uc6a9\uc5b4\uc640 \ube44\uad50\ud569\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc6a9\uc5b4<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DNS \ud3ec\ud2b8(UDP\/53)<\/td>\n<td>DNS \ucffc\ub9ac \ubc0f \uc751\ub2f5\uc744 \uc704\ud574 \uc9c0\uc815\ub41c \ud3ec\ud2b8\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>HTTP \ud3ec\ud2b8(TCP\/80)<\/td>\n<td>\uc554\ud638\ud654\ub418\uc9c0 \uc54a\uc740 \ud45c\uc900 HTTP \uc6f9 \ud2b8\ub798\ud53d\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud3ec\ud2b8\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>HTTPS \ud3ec\ud2b8(TCP\/443)<\/td>\n<td>SSL\/TLS\ub97c \uc0ac\uc6a9\ud55c \ubcf4\uc548 HTTP \ud2b8\ub798\ud53d\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud3ec\ud2b8\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>FTP \ud3ec\ud2b8(TCP\/21)<\/td>\n<td>FTP(\ud30c\uc77c \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c) \uc791\uc5c5\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud3ec\ud2b8\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNS \ud3ec\ud2b8\uc5d0 \uad00\ud55c \ubbf8\ub798 \uc804\ub9dd\uacfc \uae30\uc220.<\/h2>\n<p>\uc778\ud130\ub137\uc774 \uacc4\uc18d \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c DNS \ud504\ub85c\ud1a0\ucf5c\uacfc \uad00\ub828 \ud3ec\ud2b8\ub3c4 \ubc1c\uc804\ud558\uace0 \uac1c\uc120\ub420 \uac83\uc785\ub2c8\ub2e4. \uc7a0\uc7ac\uc801\uc778 \ubbf8\ub798 \uac1c\ubc1c\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>IPv6 \ucc44\ud0dd<\/strong>: IPv4 \uc8fc\uc18c\uac00 \uace0\uac08\ub428\uc5d0 \ub530\ub77c IPv6\ub85c\uc758 \uc804\ud658\uc774 \ub354\uc6b1 \ubcf4\ud3b8\ud654\ub420 \uac83\uc785\ub2c8\ub2e4. DNS\ub294 IPv6 \ub808\ucf54\ub4dc\uc640 AAAA \ucffc\ub9ac\ub97c \uc9c0\uc6d0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>DoH(DNS over HTTPS)<\/strong>: DNS over HTTPS\ub294 DNS \ud2b8\ub798\ud53d\uc744 \uc554\ud638\ud654\ud558\uc5ec \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638 \ubc0f \ubcf4\uc548\uc744 \uac15\ud654\ud569\ub2c8\ub2e4. \ucc44\ud0dd \ubc94\uc704\uac00 \ud655\ub300\ub418\uc5b4 DNS \ud1b5\uc2e0 \ud328\ud134\uc774 \ubcc0\uacbd\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ube14\ub85d\uccb4\uc778 \uae30\ubc18 DNS<\/strong>: DNS \uad00\ub9ac\uc5d0 \ube14\ub85d\uccb4\uc778 \uae30\uc220\uc744 \ud65c\uc6a9\ud558\uba74 \ubd84\uc0b0\ud615 \ubc0f \ubcc0\uc870 \ubc29\uc9c0\ud615 DNS \uc2dc\uc2a4\ud15c\uc744 \ub3c4\uc785\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 DNS \ud3ec\ud2b8\uc640 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95.<\/h2>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\ub294 DNS \uad00\ub828 \ud65c\ub3d9\uc744 \uad00\ub9ac\ud558\uace0 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\ubc95\uc73c\ub85c DNS \ud3ec\ud2b8\uc640 \uc5f0\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>DNS \ud504\ub85d\uc2dc<\/strong>: \uc77c\ubd80 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\ub97c \ub300\uc2e0\ud558\uc5ec DNS \ucffc\ub9ac\ub97c \ucc98\ub9ac\ud558\ub294 DNS \ud504\ub85d\uc2dc \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub294 \ubcf4\uc548, \uc131\ub2a5 \ubc0f \ud544\ud130\ub9c1 \uae30\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub85c\ub4dc \ubc38\ub7f0\uc2f1<\/strong>: \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc5ec\ub7ec DNS \uc11c\ubc84\uc5d0 DNS \ucffc\ub9ac\ub97c \ubd84\uc0b0\ud558\uc5ec \ub85c\ub4dc \ubc38\ub7f0\uc2f1\uc744 \ub3d5\uace0 \uace0\uac00\uc6a9\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uce90\uc2f1<\/strong>: \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 DNS \uc751\ub2f5\uc744 \uce90\uc2dc\ud558\uc5ec \ud655\uc778 \uc2dc\uac04\uc744 \uc904\uc774\uace0 DNS \uc778\ud504\ub77c\uc5d0 \ub300\ud55c \ubd80\ub2f4\uc744 \ub35c\uc5b4\uc90d\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<p>DNS \ud3ec\ud2b8 \ubc0f \uad00\ub828 \ud56d\ubaa9\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\/rfc883\" target=\"_new\" rel=\"noopener nofollow\">RFC 883<\/a>: DNS \ud3ec\ud2b8 \ubc88\ud638\uc758 \uc6d0\ub798 \uc0ac\uc591\uc785\ub2c8\ub2e4.<\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/learning\/dns\/what-is-dns\/\" target=\"_new\" rel=\"noopener nofollow\">DNS \uc124\uba85<\/a>: Cloudflare\uac00 \uc81c\uacf5\ud558\ub294 DNS\uc5d0 \ub300\ud55c \uc885\ud569 \uac00\uc774\ub4dc\uc785\ub2c8\ub2e4.<\/li>\n<li><a href=\"https:\/\/www.icann.org\/dnssec\" target=\"_new\" rel=\"noopener nofollow\">DNS \ubcf4\uc548 \ud655\uc7a5(DNSSEC)<\/a>: DNS \ubcf4\uc548 \uac15\ud654\ub97c \uc704\ud55c DNSSEC\uc5d0 \ub300\ud55c \uc815\ubcf4\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uacb0\ub860\uc801\uc73c\ub85c, DNS \ud3ec\ud2b8\ub294 \ub3c4\uba54\uc778 \uc774\ub984\uc744 IP \uc8fc\uc18c\ub85c \uc27d\uac8c \ubcc0\ud658\ud558\ub294 \ub3c4\uba54\uc778 \uc774\ub984 \uc2dc\uc2a4\ud15c\uc758 \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \ud504\ub85d\uc2dc \uc11c\ubc84 \ubc0f \uc7a0\uc7ac\uc801\uc778 \ud5a5\ud6c4 \uac1c\ubc1c\uacfc\uc758 \uc5f0\uacb0\uc744 \ud1b5\ud574 DNS \ud3ec\ud2b8\ub294 \uc548\uc804\ud558\uace0 \ud6a8\uc728\uc801\uc778 \uc778\ud130\ub137 \uacbd\ud5d8\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc694\uc18c\ub85c \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"featured_media":476913,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476912","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>DNS Port: An Encyclopedia Article<\/mark>","faq_items":[{"question":"What is the DNS port, and how does it work?","answer":"<p>The DNS port is a designated port (UDP port 53) used for Domain Name System (DNS) queries and responses. It allows devices to translate human-readable domain names into IP addresses and vice versa. DNS operates using two transport protocols: UDP for faster queries and TCP for large responses or zone transfers.<\/p>"},{"question":"How was the DNS port established, and when was it first defined?","answer":"<p>The DNS protocol was introduced in 1983, and the specification for the DNS port number (UDP port 53) was defined in RFC 883 in November 1983. This assignment ensured that DNS queries and responses could be efficiently exchanged over the network.<\/p>"},{"question":"What are the main features of the DNS port?","answer":"<p>The DNS port (UDP\/53) supports both UDP and TCP transport protocols. UDP is faster but lacks error-checking, while TCP ensures reliable data transmission. The DNS port operates at the transport layer of the OSI model, facilitating communication between the application layer (DNS) and the network layer.<\/p>"},{"question":"Are there different types of DNS ports?","answer":"<p>The DNS port itself is singular (UDP port 53), but its usage can be categorized into two types:<\/p><ol><li>DNS UDP Port (UDP\/53): The default and primary mode for faster DNS queries.<\/li><li>DNS TCP Port (TCP\/53): Used for large responses or zone transfers.<\/li><\/ol>"},{"question":"What are some common issues related to the DNS port's usage?","answer":"<p>Common issues include DNS attacks (e.g., spoofing, DDoS) that can be mitigated with DNSSEC, DNS overload, and resolution delays. Solutions involve load balancing, deploying more servers, and caching DNS records locally.<\/p>"},{"question":"How is the DNS port associated with proxy servers?","answer":"<p>Proxy servers can act as DNS proxies, handling DNS queries on behalf of clients, improving security, performance, and filtering capabilities. They can also perform load balancing, distribute DNS queries, and cache DNS responses to enhance efficiency.<\/p>"},{"question":"What are the future perspectives and technologies related to the DNS port?","answer":"<p>The future of DNS port may involve support for IPv6 records, DNS over HTTPS (DoH) adoption, and exploring blockchain-based DNS systems for decentralization and security enhancements.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476912","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\/476912\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/476913"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=476912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}