{"id":859,"date":"2021-05-25T23:26:29","date_gmt":"2021-05-25T14:26:29","guid":{"rendered":"https:\/\/manvscloud.com\/?p=859"},"modified":"2022-10-25T20:57:47","modified_gmt":"2022-10-25T11:57:47","slug":"2-1-ncp-%eb%84%a4%ec%9d%b4%eb%b2%84-%ed%81%b4%eb%9d%bc%ec%9a%b0%eb%93%9c%ec%97%90%ec%84%9c%ec%9d%98-%eb%b3%b4%ec%95%88-server","status":"publish","type":"post","link":"https:\/\/manvscloud.com\/?p=859","title":{"rendered":"2-1. [NCLOUD] \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c\uc758 \ubcf4\uc548 &#8211; Server (ACG)"},"content":{"rendered":"\n<p>\uc548\ub155\ud558\uc138\uc694. ManVSCloud \uae40\uc218\ud604\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>&#8220;1-1~1-2. [NCP] \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c\uc758 \ubcf4\uc548 &#8211; Account \ud3b8&#8221; \ud3ec\uc2a4\ud305\uc774 \ub05d\ub098\uace0 <br>&#8220;2. [NCP] \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c\uc758 \ubcf4\uc548 &#8211; Server \ud3b8&#8221; \ud3ec\uc2a4\ud305\uc744 \uc791\uc131\ud558\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/24070704\/access.png\" alt=\"\" class=\"wp-image-877\" width=\"452\" height=\"271\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/24070704\/access.png 640w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/24070704\/access-300x180.png 300w\" sizes=\"(max-width: 452px) 100vw, 452px\" \/><\/figure><\/div>\n\n\n<p>\uc624\ub298\uc740 \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c Server \ubcf4\uc548\uc758 \uccab \ubc88\uc9f8 ACG(Access Control Group)\ub97c \uc54c\uc544\ubd05\uc2dc\ub2e4.<br>ACG\ub294 IP\/Port \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c \uc811\uadfc \uc81c\uc5b4 \ubc0f \uad00\ub9ac\ub97c \ud560 \uc218 \uc788\ub294 \ubb34\ub8cc \ubc29\ud654\ubcbd \uc11c\ube44\uc2a4\uc785\ub2c8\ub2e4.<br>Console\uc5d0\uc11c \uc27d\uac8c \ud5c8\uc6a9\ub41c \ud2b8\ub798\ud53d\ub9cc \uc811\uadfc\ud560 \uc218 \uc788\ub3c4\ub85d \uc124\uc815\ud558\uc5ec \uc678\ubd80\uc758 \uce68\uc785\uc73c\ub85c\ubd80\ud130 \ucc28\ub2e8\ud574\uc8fc\ub294\ub370 \uac04\ub2e8\ud558\uace0 \ub2e8\uc21c\ud558\uc9c0\ub9cc \uc798 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \uacac\uace0\ud55c \ubcf4\uc548\uc744 \ubcf4\uc5ec\uc904 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"has-white-color has-vivid-green-cyan-background-color has-text-color has-background wp-block-heading\"> ACG (Access Control Group)<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"737\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014907\/ACG-network-1024x737.png\" alt=\"\" class=\"wp-image-882\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014907\/ACG-network-1024x737.png 1024w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014907\/ACG-network-300x216.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014907\/ACG-network-768x553.png 768w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014907\/ACG-network-1080x778.png 1080w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014907\/ACG-network.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>https:\/\/www.ncloud.com\/product\/networking\/vpc<\/figcaption><\/figure>\n\n\n\n<p>\ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c ACG\ub294 Classic \ud658\uacbd\uacfc VPC \ud658\uacbd\uc5d0 \uc870\uae08 \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<br>\uac04\ub2e8\ud558\uac8c \ud45c\ub85c \ub9cc\ub4e4\uc5b4\ubcf4\uc558\uc73c\ub2c8 \uadf8\ub9bc\uc744 \ud1b5\ud574 \ucc28\uc774\ub97c \ud655\uc778\ud574\ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"674\" height=\"388\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25201530\/ACG-01.jpg\" alt=\"\" class=\"wp-image-889\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25201530\/ACG-01.jpg 674w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25201530\/ACG-01-300x173.jpg 300w\" sizes=\"(max-width: 674px) 100vw, 674px\" \/><figcaption>Classic &#8211; ACG<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"670\" height=\"384\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25201421\/ACG-02.png\" alt=\"\" class=\"wp-image-888\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25201421\/ACG-02.png 670w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25201421\/ACG-02-300x172.png 300w\" sizes=\"(max-width: 670px) 100vw, 670px\" \/><figcaption>VPC &#8211; ACG<\/figcaption><\/figure>\n\n\n\n<p>ACG\uc5d0\uc11c\ub294 TCP, UDP, ICMP \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud574 \uaddc\uce59 \uc124\uc815\uc774 \uac00\ub2a5\ud558\uba70 <span class=\"has-inline-color has-vivid-cyan-blue-color\">192.168.0.1(\ub2e8\uc77c), 10.0.1.0\/24(\ub300\uc5ed), 0.0.0.0\/0(\uc804\uccb4), manvscloud-acg(ACG \uc774\ub984)<\/span> \uc73c\ub85c \uc811\uadfc\uc18c\uc2a4 \uc9c0\uc815\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. (manvscloud.com\uacfc \uac19\uc774 \ub3c4\uba54\uc778\uc740 \ubd88\uac00\ub2a5)<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"897\" height=\"578\" data-id=\"890\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25203817\/classic-acg.png\" alt=\"\" class=\"wp-image-890\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25203817\/classic-acg.png 897w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25203817\/classic-acg-300x193.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25203817\/classic-acg-768x495.png 768w\" sizes=\"(max-width: 897px) 100vw, 897px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"686\" data-id=\"891\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25203818\/vpc-acg.png\" alt=\"\" class=\"wp-image-891\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25203818\/vpc-acg.png 896w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25203818\/vpc-acg-300x230.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25203818\/vpc-acg-768x588.png 768w\" sizes=\"(max-width: 896px) 100vw, 896px\" \/><\/figure>\n<figcaption class=\"blocks-gallery-caption\">(\uc88c) Classic ACG \/ (\uc6b0) VPC ACG \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<p>VPC \ud658\uacbd\uc5d0\uc11c\ub294 Inbound \/ Outbound \uaddc\uce59\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc73c\uba70 \uae30\ubcf8\uc801\uc73c\ub85c Inbound\ub294 \ucc28\ub2e8, Outbound\ub294 \ud5c8\uc6a9\uc785\ub2c8\ub2e4. (Classic\uc740 X)<\/p>\n\n\n\n<ul><li><strong>Inbound \uaddc\uce59<\/strong> : \uc11c\ubc84\ub85c \ub4e4\uc5b4\uc624\ub294 \ud2b8\ub798\ud53d(\uc678\ubd80\u2192\ub0b4\ubd80)\uc5d0 \ub300\ud55c \uaddc\uce59<\/li><li><strong>Outbound \uaddc\uce59<\/strong> : \uc11c\ubc84\uc5d0\uc11c \ub098\uac00\ub294 \ud2b8\ub798\ud53d(\ub0b4\ubd80\u2192\uc678\ubd80)\uc5d0 \ub300\ud55c \uaddc\uce59<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"has-white-color has-vivid-red-background-color has-text-color has-background wp-block-heading\"> How to use ACG well<\/h3>\n\n\n\n<h5 class=\"has-cyan-bluish-gray-color has-text-color wp-block-heading\">ACG\ub97c \uc5b4\ub5bb\uac8c \uc798 \uc0ac\uc6a9\ud560\uae4c\uc694?<\/h5>\n\n\n\n<p>VPC \ud658\uacbd\uc744 \uae30\uc900\uc73c\ub85c \uc544\ub798\uc640 \uac19\uc774 \uc11c\ubc84\ub97c \uc0dd\uc131\ud558\uc5ec \ubcf4\uc5ec\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"272\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014800\/Server-1-1024x272.png\" alt=\"\" class=\"wp-image-879\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014800\/Server-1-1024x272.png 1024w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014800\/Server-1-300x80.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014800\/Server-1-768x204.png 768w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014800\/Server-1-1536x408.png 1536w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014800\/Server-1-1080x287.png 1080w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014800\/Server-1.png 1674w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\uc608\uc2dc\ub85c bastion host 1\ub300, web server 1\ub300, db server 1\ub300\ub97c \uc0dd\uc131\ud558\uc600\uc2b5\ub2c8\ub2e4.<br>Bastion host\uc5d0 \ub300\ud55c ACG\ub294 \uc815\ub9d0 \uc811\uc18d\uc774 \ud544\uc694\ud55c \uc0ac\uc6a9\uc790\ub9cc \uc811\uadfc\ud560 \uc218 \uc788\ub3c4\ub85d \ud5c8\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uace0 \ucd94\uac00\uc801\uc778 \uc811\uadfc \ud1b5\uc81c\ub294 VPN \ub610\ub294 \uc11c\ubc84 \ub0b4\ubd80\uc5d0\uc11c \uc0ac\uc6a9\uc790 \uacc4\uc815\uc744 \uc0dd\uc131\ud558\uc5ec \uacc4\uc815 \uad00\ub9ac \ubc0f \ud0d0\uc9c0\ub97c \ud569\ub2c8\ub2e4. <\/p>\n\n\n\n<p>Web Server\ub294 ACG\ub97c \uc5b4\ub5bb\uac8c \uc8fc\uba74 \uc88b\uc744\uae4c\uc694?<br>Web Server\ub85c SSH \uc811\uadfc\ud558\ub294 IP\ub97c \ucd94\uac00\ud574\uc8fc\uc5b4\uc57c \ud560 \uac83\uc774\uace0 HTTP, HTTPS \ud3ec\ud2b8\ub3c4 \uc5f4\uc5b4\uc8fc\uc5b4\uc57c\ud560 \uac83\uc785\ub2c8\ub2e4.<br>\uc800\ub294 ACG \ud558\ub098\uc5d0 \ubab0\uc544\uc11c \ub123\uae30\ubcf4\ub2e4 \ubd84\ub9ac\ud574\uc11c \uc0ac\uc6a9\ud558\uba70 ACG \uc0dd\uc131 \uc2dc \ub124\uc774\ubc0d\ub3c4 \uc774\ud6c4 \uc798 \uad6c\ubd84\ud560 \uc218 \uc788\ub3c4\ub85d \ub9cc\ub4dc\ub294 \ud3b8\uc785\ub2c8\ub2e4. (\ud504\ub85c\uc81d\ud2b8\uba85-\uc6a9\ub3c4-acg)<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"894\" height=\"580\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25070950\/web-acg-2.png\" alt=\"\" class=\"wp-image-883\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25070950\/web-acg-2.png 894w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25070950\/web-acg-2-300x195.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25070950\/web-acg-2-768x498.png 768w\" sizes=\"(max-width: 894px) 100vw, 894px\" \/><\/figure>\n\n\n\n<p>manvscloud-admin-acg\uc5d0\ub294 \uad00\ub9ac\uc790 \uc811\uc18d\uc6a9 acg\uc785\ub2c8\ub2e4.<br>manvscloud \ud504\ub85c\uc81d\ud2b8 \uc804\uccb4\uc5d0 \uc811\uc18d\uc774 \ud544\uc694\ud55c \uad00\ub9ac\uc790\ub4e4\uc5d0 \ub300\ud55c \uc815\ucc45\uc744 \ucd94\uac00\ud558\uc5ec \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<br>\ub3d9\uc77c\ud55c \ud504\ub85c\uc81d\ud2b8\uc758 \ub2e4\ub978 \uc11c\ubc84 \uc0dd\uc131 \uc2dc\uc5d0\ub3c4 \ud574\ub2f9 acg\ub9cc \ucd94\uac00\ud574\uc8fc\uae30\ub9cc \ud558\uba74 \ub418\uc5b4 \uad00\ub9ac\ud558\uae30\ub3c4 \uc88b\uc2b5\ub2c8\ub2e4.<br>\ub610\ud55c manvscloud-web-acg\ub294 manvscloud \ud504\ub85c\uc81d\ud2b8\uc758 web\uc11c\ubc84\uc5d0 \ub300\ud55c acg\uc785\ub2c8\ub2e4.<br>web\uc11c\ubc84\ub9c8\ub2e4 \ub3d9\uc77c\ud558\uac8c \ud544\uc694\ud55c \uc815\ucc45\uc744 \ucd94\uac00\ud558\uc5ec \uad00\ub9ac\ud569\ub2c8\ub2e4. \uc774\ud6c4 \ucd94\uac00\ub418\ub294 web \uc11c\ubc84\ub9c8\ub2e4 acg\ub97c \ucd94\uac00 \uc0dd\uc131\ud558\uc9c0 \uc54a\uace0 \ud574\ub2f9 acg\ub97c \ucd94\uac00\ud558\uc5ec \uacf5\ud1b5\uc73c\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<br>\ub9c8\uc9c0\ub9c9 \ud558\ub098\uc758 acg\ub294 \uc704 \uc0ac\uc9c4\uc5d0\ub294 \ucd94\uac00\ub418\uc5b4 \uc788\uc9c0\uc54a\uc9c0\ub9cc \ud544\uc694 \uc2dc\uc5d0 \ud574\ub2f9 \uc11c\ubc84\uc5d0\ub9cc \ud2b9\uc815\uc801\uc73c\ub85c \ud544\uc694\ub85c\ud558\ub294 \uc11c\ube44\uc2a4 \ud574\ub2f9 \uc11c\ubc84\uc5d0\uc11c\ub9cc open\ub418\uc5b4\uc57c\ud558\ub294 \uc815\ucc45\uc5d0\ub300\ud55c acg\ub97c \ucd94\uac00\ud558\uc5ec \uad00\ub9ac\ud569\ub2c8\ub2e4. (\uc608\ub97c \ub4e4\uba74 \uac1c\ubc1c\uc790\uac00 \ud2b9\uc815 \uc6f9 \uc11c\ubc84 FTP \uc811\uadfc\uc774 \ud544\uc694\ud560 \uacbd\uc6b0)<\/p>\n\n\n\n<p>\uc815\ub9ac\ud558\uba74 \uc81c\uac00 ACG\ub97c \uad00\ub9ac\ud558\ub294 \ubc29\uc2dd\uc740 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ol><li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">admin-acg (\ud504\ub85c\uc81d\ud2b8 \uacf5\ud1b5 \uad00\ub9ac\uc790 \uad00\ub9ac \uc815\ucc45 ACG)<\/mark><\/li><li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">web-acg, mysql-acg, was-acg \ub4f1 (\uacf5\ud1b5 \uc11c\ube44\uc2a4 \uad00\ub9ac \uc815\ucc45 ACG)<\/mark><\/li><li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">*-acg (\ud2b9\uc815 \uc11c\ubc84\uc5d0\ub9cc \uc801\uc6a9\ub418\uc5b4\uc57c\ud558\ub294 \uc815\ucc45 ACG)<\/mark><\/li><\/ol>\n\n\n\n<p>\ub354 \uc88b\uc740 ACG \uc0ac\uc6a9 \ubc29\ubc95\uc774 \uc788\ub2e4\uba74 \ub313\uae00\ub85c \uc758\uacac \ubd80\ud0c1\ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"899\" height=\"401\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014809\/web-acg.png\" alt=\"\" class=\"wp-image-880\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014809\/web-acg.png 899w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014809\/web-acg-300x134.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014809\/web-acg-768x343.png 768w\" sizes=\"(max-width: 899px) 100vw, 899px\" \/><\/figure>\n\n\n\n<p>\uc704 \uc815\ucc45\uc740 \uc6f9 \uc11c\ubc84\uc5d0 \ub300\ud55c web-acg \uc785\ub2c8\ub2e4.<br>\uc81c\uac00 80\ud3ec\ud2b8\ub97c 0.0.0.0\/0\uc774 \uc544\ub2c8\ub77c \uc65c 10.0.13.0\/24\uc640 10.0.33.0\/24 \uc73c\ub85c \uc5f4\uc5b4\ub450\uc5c8\uc744\uae4c\uc694?<\/p>\n\n\n\n<p>\uc774\uc720\ub294 \ubc14\ub85c \uc81c\uac00 LB\uc640 \uc5f0\uacb0\uc744 \ud574\ub193\uc558\uae30\ub54c\ubb38\uc785\ub2c8\ub2e4.<br>\ub9ce\uc740 \uace0\uac1d\ubd84\ub4e4\uc774 \uc6f9 \uc11c\ubc84\uc640 LB\ub97c \ud568\uaed8 \uc0ac\uc6a9\ud558\uc2ed\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"shell\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">[root@manvscloud-web-pub-kr2 ~]# tail -f \/var\/log\/httpd\/access_log \n10.0.13.11 - - [25\/May\/2021:07:15:15 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.13.11 - - [25\/May\/2021:07:15:15 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.33.11 - - [25\/May\/2021:07:15:45 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.33.11 - - [25\/May\/2021:07:15:45 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.33.10 - - [25\/May\/2021:07:15:45 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.33.10 - - [25\/May\/2021:07:15:45 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.13.10 - - [25\/May\/2021:07:15:45 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.13.10 - - [25\/May\/2021:07:15:45 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.13.11 - - [25\/May\/2021:07:15:45 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"\n10.0.13.11 - - [25\/May\/2021:07:15:45 +0900] \"HEAD \/index.html HTTP\/1.1\" 200 - \"-\" \"-\"<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"588\" height=\"383\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25071736\/lb-subnet.png\" alt=\"\" class=\"wp-image-884\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25071736\/lb-subnet.png 588w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25071736\/lb-subnet-300x195.png 300w\" sizes=\"(max-width: 588px) 100vw, 588px\" \/><figcaption>Load Balancer<\/figcaption><\/figure>\n\n\n\n<p>\ub9cc\uc57d 0.0.0.0\/0\uc73c\ub85c \uc5f4\uc5b4\ub450\uc5c8\ub2e4\uba74 \ub3c4\uba54\uc778-LB-\uc6f9\uc11c\ubc84\ub85c \ud1b5\uc2e0\ub418\ub294 \uac83 \uc678\uc5d0\ub3c4 \uc6f9\uc11c\ubc84 IP\ub97c \ud1b5\ud574 \uc6f9\uc11c\ubc84\ub85c \uc811\uadfc \uc5ed\uc2dc \uac00\ub2a5\ud569\ub2c8\ub2e4. <br>\ubb3c\ub860 \uc6f9\uc11c\ubc84 \ub0b4\uc5d0\uc11c IP\uc8fc\uc18c\ub85c \uc811\uadfc\uc774 \ubd88\uac00\ub2a5\ud558\ub3c4\ub85d \uc124\uc815\uc774 \uac00\ub2a5\ud558\uc9c0\ub9cc \ubc29\ud654\ubcbd \ub8f0\uc14b\uc740 \uad73\uc774 \uc811\uadfc\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \ubd80\ubd84\uae4c\uc9c0 \ud5c8\uc6a9\ud558\ub294 \uac83\uc740 \uad8c\uc7a5\ud558\uc9c0 \uc54a\uc73c\uba70 \uc88b\uc740 \uc2b5\uad00\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"546\" height=\"313\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014816\/web-access.png\" alt=\"\" class=\"wp-image-881\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014816\/web-access.png 546w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25014816\/web-access-300x172.png 300w\" sizes=\"(max-width: 546px) 100vw, 546px\" \/><\/figure><\/div>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"557\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25073745\/webpage-1024x557.png\" alt=\"\" class=\"wp-image-886\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25073745\/webpage-1024x557.png 1024w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25073745\/webpage-300x163.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25073745\/webpage-768x417.png 768w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25073745\/webpage-1536x835.png 1536w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25073745\/webpage-1080x587.png 1080w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25073745\/webpage.png 1897w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\uc704 ACG\uc640 \uac19\uc774 \uc124\uc815\ud558\uac8c\ub418\uba74 LB\ub85c\ub294 \uc811\uc18d \uac00\ub2a5\ud558\uc9c0\ub9cc \uc6f9\uc11c\ubc84 IP\ub85c\ub294 \ub2e4\uc774\ub809\ud2b8\ub85c \uc811\uc18d\uc774 \ubd88\uac00\ub2a5\ud558\uac8c \ub429\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<p>\uc774\uc81c \uc608\uc2dc \uc911 DB Server\uc5d0 \ub300\ud55c ACG \uad00\ub9ac\ub97c \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>DB \uc11c\ubc84\ub294 \uc8fc\ub85c bastion host\uc640 DB \uc5f0\ub3d9\uc774 \ud544\uc694\ud55c \uc11c\ubc84\uc5d0 \ub300\ud55c \ud5c8\uc6a9 \uc815\ucc45\uc744 \uc124\uc815\ud558\uac8c\ub418\ub294\ub370 <br>\uc544\ub798\uc640\uac19\uc774 ACG \uc774\ub984\uc744 \uc774\uc6a9\ud558\uc5ec \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>bastion-host Server\uc640 \uc5f0\uacb0\ub41c manvscloud-bastion-acg\ub97c DB Server ACG\uc5d0 \uc811\uadfc \ud3ec\ud2b8 \ud5c8\uc6a9\uc744 \ud574\uc8fc\uac8c\ub41c\ub2e4\uba74 manvscloud-bastion-acg\uc640 \uc5f0\uacb0\ub41c \uc11c\ubc84\ub4e4\uc740 DB Server\ub85c \uc811\uadfc\uc744 \ud560 \uc218 \uc788\uac8c\ub418\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ucd94\uac00 \uc608\uc2dc\ub85c Web Server \uc804\uccb4\uac00 DB\uc640 \uc5f0\uacb0\ub418\uc5b4\uc57c\ud560 \uacbd\uc6b0 ACG\ub97c \ub123\uc5b4\uc904 \uc218 \uc788\uc73c\uba70<br>&#8220;\ub098\ub294 \ubaa8\ub4e0 \uc6f9 \uc11c\ubc84\uc640 \ubaa8\ub4e0 DB \uc11c\ubc84\uac00 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc544 \ubcf4\uc548\uc0c1 \ub530\ub85c \ub530\ub85c \uc9c0\uc815\uc744 \ud574\uc918\uc57c\ud55c\ub2e4&#8221;\ub77c\uace0 \ud55c\ub2e4\uba74 \ud2b9\uc815 \uc11c\ubc84\uc5d0\ub9cc \uc801\uc6a9\ub418\uc5b4\uc57c\ud558\ub294 \uc815\ucc45 ACG\ub97c \ucd94\uac00\ud558\uc5ec \uc5f0\uacb0\ub418\uc5b4\uc57c\ud560 \uc11c\ubc84 IP\ub9cc \ud5c8\uc6a9\ud574\uc8fc\ub294 \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"656\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25230217\/mariadb-acg.png\" alt=\"\" class=\"wp-image-893\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25230217\/mariadb-acg.png 896w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25230217\/mariadb-acg-300x220.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25230217\/mariadb-acg-768x562.png 768w\" sizes=\"(max-width: 896px) 100vw, 896px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"has-white-color has-cyan-bluish-gray-background-color has-text-color has-background wp-block-heading\"> Personal Comments and Wrap-up<\/h3>\n\n\n\n<p>\uc9c0\uae08\uae4c\uc9c0 \uc27d\uace0 \uac04\ub2e8\ud55c ACG(Access Control Group)\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4.<br>\ub9ce\uc740 \uc0ac\uc6a9\uc790\ub4e4\uc774 \uadc0\ucc28\ub2c8\uc998\uc73c\ub85c \uc778\ud574 ACG \uad00\ub9ac\uac00 \uc798 \ub418\uc9c0\uc54a\uace0 \uc788\uc2b5\ub2c8\ub2e4.<br>\uc6d0\uaca9 \uc811\uc18d \ud3ec\ud2b8, \uc258 \uc811\uadfc \ud3ec\ud2b8 \ub4f1 \uc911\uc694\ud55c \ud3ec\ud2b8\ub97c 0.0.0.0\/0(\uc804\uccb4)\ub85c \uc5f4\uc5b4\ub450\ub294 \uc0ac\uc6a9\uc790\ub4e4\uc744 \uc0dd\uac01\ubcf4\ub2e4 \ub9ce\uc774\ubcf4\uac8c\ub418\uace0 \ub610 \ubcf4\uc548\uc0c1 \uc704\ud5d8\uc744 \uc54c\ub824\ub3c4 \uc544\ubb34 \uc77c \uc5c6\uc744 \uac70\ub77c\uba70 \ub118\uc5b4\uac00\ubc84\ub9ac\ub294 \ubd84\ub4e4 \uc5ed\uc2dc \ub9ce\uc558\uc2b5\ub2c8\ub2e4. <br><span class=\"has-inline-color has-cyan-bluish-gray-color\">(\uadc0\ucc2e\uc544\uc11c \ub0b4\ubc84\ub824\ub480\uc744 \ub54c \ud3b8\ud55c \uac10\uc815\uacfc \uacf5\uaca9\ubc1b\uc544 \ub370\uc774\ud130 \uc190\uc2e4 \ud6c4 \uac10\uc815\uc740 \ub9ce\uc774 \ub2e4\ub985\ub2c8\ub2e4&#8230;)<\/span><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25231750\/hacker.png\" alt=\"\" class=\"wp-image-894\" width=\"303\" height=\"303\" srcset=\"https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25231750\/hacker.png 640w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25231750\/hacker-300x300.png 300w, https:\/\/cdn.manvscloud.com\/wp-content\/uploads\/2021\/05\/25231750\/hacker-150x150.png 150w\" sizes=\"(max-width: 303px) 100vw, 303px\" \/><figcaption>\uc81c\ubc1c \ub9c9\uc544\uc8fc\uc138\uc694?<\/figcaption><\/figure><\/div>\n\n\n<p>\ub2e4\uc74c \ud3ec\uc2a4\ud305\uc740 &#8220;2-1. [NCP] \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c\uc758 \ubcf4\uc548 &#8211; SERVER&#8221;\uc5d0 \uc774\uc5b4<br>&#8220;2-2. [NCP] \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c\uc758 \ubcf4\uc548 \u2013 ACCOUNT&#8221; \ub0b4\uc6a9\uc740 IPSec VPN\uacfc SSL VPN\uc5d0 \ub300\ud574\uc11c \uc791\uc131\ud558\ub824\uace0 \ud588\uc5c8\ub294\ub370 ACG\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc5d0 \uc774\uc5b4 \uc11c\ubc84 \ub0b4\ubd80 \ubc29\ud654\ubcbd \ud65c\uc6a9 \ubc29\ubc95\uc744 \uba3c\uc800 \ud3ec\uc2a4\ud305\ud558\ub824\uace0 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uae34 \uae00 \uc77d\uc5b4\uc8fc\uc154\uc11c \uac10\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>\uc548\ub155\ud558\uc138\uc694. ManVSCloud \uae40\uc218\ud604\uc785\ub2c8\ub2e4. &#8220;1-1~1-2. [NCP] \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c\uc758 \ubcf4\uc548 &#8211; Account \ud3b8&#8221; \ud3ec\uc2a4\ud305\uc774 \ub05d\ub098\uace0 &#8220;2. [NCP] \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c\uc758 \ubcf4\uc548 &#8211; Server \ud3b8&#8221; \ud3ec\uc2a4\ud305\uc744 \uc791\uc131\ud558\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc624\ub298\uc740 \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c Server \ubcf4\uc548\uc758 \uccab \ubc88\uc9f8 ACG(Access Control Group)\ub97c \uc54c\uc544\ubd05\uc2dc\ub2e4.ACG\ub294 IP\/Port \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c \uc811\uadfc \uc81c\uc5b4 \ubc0f \uad00\ub9ac\ub97c \ud560 \uc218 \uc788\ub294 \ubb34\ub8cc \ubc29\ud654\ubcbd \uc11c\ube44\uc2a4\uc785\ub2c8\ub2e4.Console\uc5d0\uc11c \uc27d\uac8c \ud5c8\uc6a9\ub41c \ud2b8\ub798\ud53d\ub9cc \uc811\uadfc\ud560 \uc218 \uc788\ub3c4\ub85d \uc124\uc815\ud558\uc5ec \uc678\ubd80\uc758 \uce68\uc785\uc73c\ub85c\ubd80\ud130 \ucc28\ub2e8\ud574\uc8fc\ub294\ub370 \uac04\ub2e8\ud558\uace0 \ub2e8\uc21c\ud558\uc9c0\ub9cc \uc798 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \uacac\uace0\ud55c \ubcf4\uc548\uc744 \ubcf4\uc5ec\uc904 \uac83\uc785\ub2c8\ub2e4. ACG (Access Control Group) \ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c ACG\ub294 Classic \ud658\uacbd\uacfc VPC \ud658\uacbd\uc5d0 \uc870\uae08 \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.\uac04\ub2e8\ud558\uac8c \ud45c\ub85c \ub9cc\ub4e4\uc5b4\ubcf4\uc558\uc73c\ub2c8 \uadf8\ub9bc\uc744 \ud1b5\ud574 \ucc28\uc774\ub97c \ud655\uc778\ud574\ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. ACG\uc5d0\uc11c\ub294 TCP, UDP, ICMP \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud574 \uaddc\uce59 \uc124\uc815\uc774 \uac00\ub2a5\ud558\uba70 192.168.0.1(\ub2e8\uc77c), 10.0.1.0\/24(\ub300\uc5ed), 0.0.0.0\/0(\uc804\uccb4), manvscloud-acg(ACG \uc774\ub984) \uc73c\ub85c \uc811\uadfc\uc18c\uc2a4 \uc9c0\uc815\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. (manvscloud.com\uacfc \uac19\uc774 \ub3c4\uba54\uc778\uc740 \ubd88\uac00\ub2a5) VPC \ud658\uacbd\uc5d0\uc11c\ub294 Inbound \/ Outbound \uaddc\uce59\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc73c\uba70 \uae30\ubcf8\uc801\uc73c\ub85c Inbound\ub294 \ucc28\ub2e8, Outbound\ub294 \ud5c8\uc6a9\uc785\ub2c8\ub2e4. (Classic\uc740 X) Inbound \uaddc\uce59 : \uc11c\ubc84\ub85c \ub4e4\uc5b4\uc624\ub294 \ud2b8\ub798\ud53d(\uc678\ubd80\u2192\ub0b4\ubd80)\uc5d0 \ub300\ud55c \uaddc\uce59 Outbound \uaddc\uce59 : \uc11c\ubc84\uc5d0\uc11c \ub098\uac00\ub294 \ud2b8\ub798\ud53d(\ub0b4\ubd80\u2192\uc678\ubd80)\uc5d0 \ub300\ud55c \uaddc\uce59 How to use ACG well ACG\ub97c \uc5b4\ub5bb\uac8c \uc798 \uc0ac\uc6a9\ud560\uae4c\uc694? VPC \ud658\uacbd\uc744 \uae30\uc900\uc73c\ub85c \uc544\ub798\uc640 \uac19\uc774 \uc11c\ubc84\ub97c \uc0dd\uc131\ud558\uc5ec \ubcf4\uc5ec\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4. \uc608\uc2dc\ub85c bastion host 1\ub300, web server 1\ub300, db server 1\ub300\ub97c \uc0dd\uc131\ud558\uc600\uc2b5\ub2c8\ub2e4.Bastion host\uc5d0 \ub300\ud55c ACG\ub294 \uc815\ub9d0 \uc811\uc18d\uc774 \ud544\uc694\ud55c \uc0ac\uc6a9\uc790\ub9cc \uc811\uadfc\ud560 \uc218 \uc788\ub3c4\ub85d \ud5c8\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uace0 \ucd94\uac00\uc801\uc778 \uc811\uadfc \ud1b5\uc81c\ub294 VPN \ub610\ub294 \uc11c\ubc84 \ub0b4\ubd80\uc5d0\uc11c \uc0ac\uc6a9\uc790 \uacc4\uc815\uc744 \uc0dd\uc131\ud558\uc5ec \uacc4\uc815 \uad00\ub9ac \ubc0f \ud0d0\uc9c0\ub97c \ud569\ub2c8\ub2e4. Web Server\ub294 ACG\ub97c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"\ub124\uc774\ubc84 \ud074\ub77c\uc6b0\ub4dc ACG\ub85c \ubcf4\uc548\ud558\uae30","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[297,299,19,243,32,87,91,17,90,16,220,294,89,202,226,88,298,221,296,295,301,101,237],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/posts\/859"}],"collection":[{"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/manvscloud.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=859"}],"version-history":[{"count":9,"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/posts\/859\/revisions"}],"predecessor-version":[{"id":1947,"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/posts\/859\/revisions\/1947"}],"wp:attachment":[{"href":"https:\/\/manvscloud.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/manvscloud.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/manvscloud.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}