{"id":2474,"date":"2016-05-27T11:19:47","date_gmt":"2016-05-27T11:19:47","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=2474"},"modified":"2025-06-13T19:30:23","modified_gmt":"2025-06-14T02:30:23","slug":"watching-scram-authentication-in-java","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/watching-scram-authentication-in-java\/","title":{"rendered":"Java\uc5d0\uc11c \uc2a4\ud06c\ub7a8 \uc778\uc99d \ubcf4\uae30"},"content":{"rendered":"<p>\uc2a4\ud06c\ub7a8 \uc778\uc99d\uc740 \ubc84\uc804 4.5\uc758 \uc0c8\ub85c\uc6b4 \uae30\ub2a5 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ud655\uc778 <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/improved-security-couchbase-4.5-scram-sha\/\" target=\"_blank\" rel=\"noopener noreferrer\">\uc774 \ube14\ub85c\uadf8 \ud56d\ubaa9<\/a> \uc744 \ucc38\uc870\ud558\uc5ec Couchbase\uc758 SCRAM\uc5d0 \ub300\ud574 \uc18c\uac1c\ud558\uc138\uc694.<\/p>\n<p>\uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 Java\uc5d0\uc11c \uc2a4\ud06c\ub7a8 \ud578\ub4dc\uc170\uc774\ud06c\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p>\uccab\uc9f8, SCRAM\uc744 \uc0ac\uc6a9\ud558\uae30 \uc704\ud574 Java \ucf54\ub4dc\uc5d0\uc11c \ud2b9\ubcc4\ud55c \uc791\uc5c5\uc744 \ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. SCRAM\uc740 \uae30\ubcf8\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\ub3c4\ub85d \uc124\uc815\ub418\uc5b4 \uc788\uc73c\uba70, Java SDK \ubc84\uc804\uc774 2.2.5 \uc774\uc0c1\uc774\uace0 Couchbase Server \ubc84\uc804\uc774 4.5 \uc774\uc0c1\uc778 \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p>\ube44\ubc00\ubc88\ud638\uac00 \uc788\ub294 \ubc84\ud0b7\uc744 \uc5f4\uba74 SCRAM\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p>Java \ucf54\ub4dc\uc5d0\uc11c \uc2a4\ud06c\ub7a8 \uc778\uc99d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\ub824\uba74 \ub514\ubc84\uadf8 \uc218\uc900\uc744 \ucd5c\uace0\ub85c \uc124\uc815\ud558\uba74 \ub429\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-cpp\">Logger logger = Logger.getLogger(\"com.couchbase.client\");\r\n    logger.setLevel(Level.FINEST);\r\n    for(Handler h : logger.getParent().getHandlers()) {\r\n     if(h instanceof ConsoleHandler){\r\n      h.setLevel(Level.FINEST);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\uc774\uc81c \ucf54\ub4dc\uc758 \uc5b4\ub290 \uc9c0\uc810\uc5d0\uc11c \ubc84\ud0b7\uc5d0 \uc561\uc138\uc2a4\ud569\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-cpp\">CouchbaseCluster.create(\"_cluster_address_\").openBucket(bucket, password);\r\n<\/code><\/pre>\n<p>\uc774\uc81c \uc778\uc99d \ub300\ud654\ub97c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre style=\"color: red;\">May 19, 2016 12:23:45 PM com.couchbase.client.deps.io.netty.handler.logging.LoggingHandler logMessage\r\nFINEST: [id: 0x7af6f756, L:\/127.0.0.1:51766 - R:localhost\/127.0.0.1:11210] RECEIVED: 75B\r\n         +-------------------------------------------------+\r\n         |  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f |\r\n+--------+-------------------------------------------------+----------------+\r\n|00000000| 81 20 00 00 00 00 00 00 00 00 00 33 00 00 00 00 |. .........3....|\r\n|00000010| 00 00 00 00 00 00 00 00 53 43 52 41 4d 2d 53 48 |........SCRAM-SH|\r\n|00000020| 41 35 31 32 20 53 43 52 41 4d 2d 53 48 41 32 35 |A512 SCRAM-SHA25|\r\n|00000030| 36 20 53 43 52 41 4d 2d 53 48 41 31 20 43 52 41 |6 SCRAM-SHA1 CRA|\r\n|00000040| 4d 2d 4d 44 35 20 50 4c 41 49 4e                |M-MD5 PLAIN     |\r\n+--------+-------------------------------------------------+----------------+\r\nMay 19, 2016 12:23:45 PM com.couchbase.client.deps.io.netty.handler.logging.LoggingHandler logMessage\r\nFINEST: [id: 0x7af6f756, L:\/127.0.0.1:51766 - R:localhost\/127.0.0.1:11210] WRITE: 36B\r\n         +-------------------------------------------------+\r\n         |  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f |\r\n+--------+-------------------------------------------------+----------------+\r\n|00000000| 80 21 00 0c 00 00 00 00 00 00 00 33 00 00 00 00 |.!.........3....|\r\n|00000010| 00 00 00 00 00 00 00 00 53 43 52 41 4d 2d 53 48 |........SCRAM-SH|\r\n|00000020| 41 35 31 32                                     |A512            |\r\n+--------+-------------------------------------------------+----------------+\r\n<\/pre>\n<p>\uc5ec\uae30\uc11c\ub294 \uc11c\ubc84\uac00 \uc9c0\uc6d0\ub418\ub294 \uc778\uc99d \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\ub9ac\uace0 \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \uac00\uc7a5 \uac15\ub825\ud55c \uc778\uc99d \ubc29\ubc95\uc744 \uc120\ud0dd\ud558\ub294 \ub2e8\uacc4\ub9cc \ubcf4\uc5ec\ub4dc\ub9bd\ub2c8\ub2e4. \uc774 \ud578\ub4dc\uc170\uc774\ud06c\uc5d0\uc11c\ub294 \uc11c\ubc84\uac00 \uc9c0\uc6d0\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>SCRAM-SHA512<\/li>\n<li>SCRAM-SHA256<\/li>\n<li>SCRAM-SHA1<\/li>\n<li>CRAM-MD5 \ud50c\ub808\uc778<\/li>\n<\/ul>\n<p>\uadf8\ub9ac\uace0 \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \uac00\uc7a5 \uac15\ud55c \uac83\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4: SCRAM-SHA512<\/p>\n<p>Couchbase 4.1\uc5d0 \ub300\ud574 \ub3d9\uc77c\ud55c \ucf54\ub4dc\ub97c \uc2e4\ud589\ud558\uba74 \uc774 \ucd9c\ub825\uc774 \uc0dd\uc131\ub429\ub2c8\ub2e4:<\/p>\n<pre style=\"color: red;\">May 20, 2016 12:05:54 AM com.couchbase.client.deps.io.netty.handler.logging.LoggingHandler logMessage\r\nFINEST: [id: 0x7a2764f3, L:\/192.168.56.1:52201 - R:oracle2couchbase\/192.168.56.101:11210] RECEIVED: 38B\r\n         +-------------------------------------------------+\r\n         |  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f |\r\n+--------+-------------------------------------------------+----------------+\r\n|00000000| 81 20 00 00 00 00 00 00 00 00 00 0e 00 00 00 00 |. ..............|\r\n|00000010| 00 00 00 00 00 00 00 00 43 52 41 4d 2d 4d 44 35 |........CRAM-MD5|\r\n|00000020| 20 50 4c 41 49 4e                               | PLAIN          |\r\n+--------+-------------------------------------------------+----------------+\r\nMay 20, 2016 12:05:54 AM com.couchbase.client.deps.io.netty.handler.logging.LoggingHandler logMessage\r\nFINEST: [id: 0x7a2764f3, L:\/192.168.56.1:52201 - R:oracle2couchbase\/192.168.56.101:11210] WRITE: 32B\r\n         +-------------------------------------------------+\r\n         |  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f |\r\n+--------+-------------------------------------------------+----------------+\r\n|00000000| 80 21 00 08 00 00 00 00 00 00 00 08 00 00 00 00 |.!..............|\r\n|00000010| 00 00 00 00 00 00 00 00 43 52 41 4d 2d 4d 44 35 |........CRAM-MD5|\r\n+--------+-------------------------------------------------+----------------+\r\n<\/pre>\n<p>\uc5ec\uae30\uc5d0\uc11c CRAM-MD5\uac00 \uc5b4\ub5bb\uac8c \uc120\ud0dd\ub418\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc744 \uc2a4\ub2c8\ud551\ud558\uc5ec \uc778\uc99d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc791\uc5c5\uc744 \uc704\ud55c \ud6cc\ub96d\ud55c \ub3c4\uad6c \uc911 \ud558\ub098\ub294 <a href=\"https:\/\/www.wireshark.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">\uc640\uc774\uc5b4\uc0e4\ud06c<\/a>. \ud2b8\ub798\ud53d\uc744 \uac00\uc838\uc628 \ub2e4\uc74c \ud504\ub85c\ud1a0\ucf5c \"Couchbase\"\ub97c \uae30\uc900\uc73c\ub85c \ud544\ud130\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2799\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2016\/05\/ws_scram.png\" alt=\"ws_scram\" width=\"863\" height=\"520\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/05\/ws_scram.png 863w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/05\/ws_scram-300x181.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/05\/ws_scram-768x463.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/05\/ws_scram-20x12.png 20w\" sizes=\"auto, (max-width: 863px) 100vw, 863px\" \/><\/p>\n<p>\ub05d\uc73c\ub85c \uc778\uc99d \ud578\ub4dc\uc170\uc774\ud06c\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \uac83\uc774 \uc5bc\ub9c8\ub098 \uc26c\uc6b4\uc9c0 \ub208\uce58\ucc44\uc168\uc744 \ud150\ub370\uc694, \uc774\uac83\uc774 \ubc14\ub85c \ud074\ub77c\uc774\uc5b8\ud2b8-\uc11c\ubc84 \uc778\uc99d\uc5d0 TLS\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc744 \uad8c\uc7a5\ud558\ub294 \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ubc29\uc2dd\uc73c\ub85c \uc2a4\ud06c\ub7a8\uc740 \uc0c1\ud638 \uc778\uc99d\uc744 \uc0ac\uc6a9\ud558\ubbc0\ub85c \uc911\uac04\uc790 \uacf5\uaca9\uc744 \ud53c\ud560 \uc218 \uc788\uc73c\uba70, \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8 \ud574\uc2dc \ube44\ubc00\ubc88\ud638\ub97c \uae30\ubc18\uc73c\ub85c '\ube44\ubc00'\uc744 \uc54c\uace0 \uc788\ub2e4\ub294 \uac83\uc744 \uc99d\uba85\ud558\uae30 \uc704\ud574 \ub3c4\uc804\uc5d0 \uc751\ub2f5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ud589\ubcf5\ud55c \uc778\uc99d!<\/p>","protected":false},"excerpt":{"rendered":"<p>SCRAM authentication is one of the new features in version 4.5. Check this blog entry for an introduction on SCRAM in Couchbase. In this article we will cover how to monitor SCRAM handshake from Java. First, you do not have [&hellip;]<\/p>","protected":false},"author":2,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1816,1813],"tags":[1455],"ppma_author":[8968],"class_list":["post-2474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-couchbase-server","category-security","tag-authentication"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Watching SCRAM authentication in Java - The Couchbase Blog<\/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.couchbase.com\/blog\/ko\/watching-scram-authentication-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Watching SCRAM authentication in Java\" \/>\n<meta property=\"og:description\" content=\"SCRAM authentication is one of the new features in version 4.5. 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