\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall) - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/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:\/\/atmokpo.com\/w\/38283\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall) - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"1. \uc11c\ubc84 \ubcf4\uc548\uc758 \uc911\uc694\uc131 \uc11c\ubc84 \ubcf4\uc548\uc740 \uc815\ubcf4 \ubcf4\ud638\uc640 \uc11c\ube44\uc2a4\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ud574\ucee4\ub098 \uc545\uc758\uc801\uc778 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \uacf5\uaca9\uc5d0 \ub178\ucd9c\ub41c \uc11c\ubc84\ub294 \ub370\uc774\ud130 \uc720\ucd9c, \uc11c\ube44\uc2a4 \uc911\ub2e8 \ubc0f \ubd80\uc815\uc801\uc778 \uc7ac\uc815\uc801 \uc601\ud5a5\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uc11c\ubc84\ub97c \uc6b4\uc601\ud560 \ub54c \ubcf4\uc548 \uc815\ucc45\uc744 \uc218\ub9bd\ud558\uace0 \uc774\ub97c \uc801\uc6a9\ud558\ub294 \uac83\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. 2. \uad8c\ud55c \uad00\ub9ac \uc11c\ubc84\uc758 \uc548\uc804\ud55c \uc6b4\uc601\uc744 \uc704\ud574\uc11c\ub294 \uc0ac\uc6a9\uc790 \uad8c\ud55c\uc744 \ucca0\uc800\ud788 \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uad8c\ud55c … \ub354 \ubcf4\uae30 "\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall)"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/38283\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-01T16:40:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T06:44:45+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/38283\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/38283\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall)\",\"datePublished\":\"2024-11-01T16:40:54+00:00\",\"dateModified\":\"2024-11-26T06:44:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/38283\/\"},\"wordCount\":46,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"\uc11c\ubc84\uad6c\ucd95\uc6b4\uc601\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/38283\/\",\"url\":\"https:\/\/atmokpo.com\/w\/38283\/\",\"name\":\"\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall) - 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\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/atmokpo.com\/w\/38283\/","og_locale":"ko_KR","og_type":"article","og_title":"\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall) - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","og_description":"1. \uc11c\ubc84 \ubcf4\uc548\uc758 \uc911\uc694\uc131 \uc11c\ubc84 \ubcf4\uc548\uc740 \uc815\ubcf4 \ubcf4\ud638\uc640 \uc11c\ube44\uc2a4\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ud574\ucee4\ub098 \uc545\uc758\uc801\uc778 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \uacf5\uaca9\uc5d0 \ub178\ucd9c\ub41c \uc11c\ubc84\ub294 \ub370\uc774\ud130 \uc720\ucd9c, \uc11c\ube44\uc2a4 \uc911\ub2e8 \ubc0f \ubd80\uc815\uc801\uc778 \uc7ac\uc815\uc801 \uc601\ud5a5\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uc11c\ubc84\ub97c \uc6b4\uc601\ud560 \ub54c \ubcf4\uc548 \uc815\ucc45\uc744 \uc218\ub9bd\ud558\uace0 \uc774\ub97c \uc801\uc6a9\ud558\ub294 \uac83\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. 2. \uad8c\ud55c \uad00\ub9ac \uc11c\ubc84\uc758 \uc548\uc804\ud55c \uc6b4\uc601\uc744 \uc704\ud574\uc11c\ub294 \uc0ac\uc6a9\uc790 \uad8c\ud55c\uc744 \ucca0\uc800\ud788 \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uad8c\ud55c … \ub354 \ubcf4\uae30 \"\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall)\"","og_url":"https:\/\/atmokpo.com\/w\/38283\/","og_site_name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","article_published_time":"2024-11-01T16:40:54+00:00","article_modified_time":"2024-11-26T06:44:45+00:00","author":"root","twitter_card":"summary_large_image","twitter_creator":"@bebubo4","twitter_site":"@bebubo4","twitter_misc":{"\uae00\uc4f4\uc774":"root","\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04":"1\ubd84"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/atmokpo.com\/w\/38283\/#article","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/38283\/"},"author":{"name":"root","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7"},"headline":"\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall)","datePublished":"2024-11-01T16:40:54+00:00","dateModified":"2024-11-26T06:44:45+00:00","mainEntityOfPage":{"@id":"https:\/\/atmokpo.com\/w\/38283\/"},"wordCount":46,"publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"articleSection":["\uc11c\ubc84\uad6c\ucd95\uc6b4\uc601"],"inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/atmokpo.com\/w\/38283\/","url":"https:\/\/atmokpo.com\/w\/38283\/","name":"\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall) - 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1. \uc11c\ubc84 \ubcf4\uc548\uc758 \uc911\uc694\uc131<\/h2>\n

\uc11c\ubc84 \ubcf4\uc548\uc740 \uc815\ubcf4 \ubcf4\ud638\uc640 \uc11c\ube44\uc2a4\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ud574\ucee4\ub098 \uc545\uc758\uc801\uc778 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \uacf5\uaca9\uc5d0 \ub178\ucd9c\ub41c \uc11c\ubc84\ub294 \ub370\uc774\ud130 \uc720\ucd9c, \uc11c\ube44\uc2a4 \uc911\ub2e8 \ubc0f \ubd80\uc815\uc801\uc778 \uc7ac\uc815\uc801 \uc601\ud5a5\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uc11c\ubc84\ub97c \uc6b4\uc601\ud560 \ub54c \ubcf4\uc548 \uc815\ucc45\uc744 \uc218\ub9bd\ud558\uace0 \uc774\ub97c \uc801\uc6a9\ud558\ub294 \uac83\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/section>\n

2. \uad8c\ud55c \uad00\ub9ac<\/h2>\n
\uc11c\ubc84\uc758 \uc548\uc804\ud55c \uc6b4\uc601\uc744 \uc704\ud574\uc11c\ub294 \uc0ac\uc6a9\uc790 \uad8c\ud55c\uc744 \ucca0\uc800\ud788 \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uad8c\ud55c \uad00\ub9ac\ub294 \uc0ac\uc6a9\uc790\uac00 \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uad8c\ub9ac\ub97c \uc124\uc815\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc911\uc694\ud55c \ud30c\uc77c\uc774\ub098 \uc11c\ube44\uc2a4\ub97c \ubcf4\ud638\ud558\uace0, \ubd88\ud544\uc694\ud55c \uc811\uadfc\uc744 \ucc28\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

2.1 Linux\uc5d0\uc11c\uc758 \uc0ac\uc6a9\uc790 \ubc0f \uadf8\ub8f9 \uad00\ub9ac<\/h3>\n

Linux \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\uc790\ub97c \uad00\ub9ac\ud558\uae30 \uc704\ud574 \uba87 \uac00\uc9c0 \uae30\ubcf8 \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

1. \uc0ac\uc6a9\uc790 \ucd94\uac00: \nsudo adduser \uc0ac\uc6a9\uc790\uc774\ub984\n\n2. \uc0ac\uc6a9\uc790 \uc0ad\uc81c: \nsudo deluser \uc0ac\uc6a9\uc790\uc774\ub984\n\n3. \uadf8\ub8f9 \ucd94\uac00: \nsudo addgroup \uadf8\ub8f9\uc774\ub984\n\n4. \uc0ac\uc6a9\uc790 \uadf8\ub8f9\uc5d0 \ucd94\uac00: \nsudo usermod -aG \uadf8\ub8f9\uc774\ub984 \uc0ac\uc6a9\uc790\uc774\ub984\n        <\/code><\/pre>\n\uc704 \uba85\ub839\uc5b4\ub97c \ud1b5\ud574 \uc0ac\uc6a9\uc790\ub97c \ucd94\uac00\ud558\uac70\ub098 \uc0ad\uc81c\ud560 \uc218 \uc788\uc73c\uba70, \uc0ac\uc6a9\uc790\ub97c \ud2b9\uc815 \uadf8\ub8f9\uc5d0 \ucd94\uac00\ud558\uc5ec \uad8c\ud55c\uc744 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2.2 Windows\uc5d0\uc11c\uc758 \uc0ac\uc6a9\uc790 \ubc0f \uad8c\ud55c \uad00\ub9ac<\/h3>\nWindows\uc5d0\uc11c\ub294 \ub85c\uceec \uc0ac\uc6a9\uc790 \ubc0f \uadf8\ub8f9 \uad00\ub9ac \ub3c4\uad6c\ub97c \ud1b5\ud574 \uc0ac\uc6a9\uc790 \uad8c\ud55c\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798 \ub2e8\uacc4\uc5d0 \ub530\ub77c \uc0ac\uc6a9\uc790\ub97c \ucd94\uac00\ud558\uac70\ub098 \uc218\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\uc2dc\uc791 \uba54\ub274\uc5d0\uc11c \ucef4\ud4e8\ud130 \uad00\ub9ac<\/strong>\ub97c \uac80\uc0c9\ud558\uc5ec \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/li>\n
\uc67c\ucabd \ud328\ub110\uc5d0\uc11c \ub85c\uceec \uc0ac\uc6a9\uc790 \ubc0f \uadf8\ub8f9<\/strong>\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n
\uc0ac\uc6a9\uc790 \ud3f4\ub354\uc5d0\uc11c \uc624\ub978\ucabd \ud074\ub9ad\ud558\uc5ec \uc0c8 \uc0ac\uc6a9\uc790<\/strong>\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\uc5ec\uae30\uc11c \uc0c8 \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uace0 \uadf8\ub8f9\uc5d0 \ucd94\uac00\ud558\uc5ec \uad8c\ud55c\uc744 \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n3. \ubc29\ud654\ubcbd\uc758 \ud544\uc694\uc131<\/h2>\n\ubc29\ud654\ubcbd\uc740 \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc5d0 \ub300\ud55c \uc811\uadfc\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0 \uc81c\uc5b4\ud558\ub294 \ubcf4\uc548 \uc2dc\uc2a4\ud15c\uc73c\ub85c, \uc778\uac00\ub418\uc9c0 \uc54a\uc740 \uc811\uadfc\uc744 \ucc28\ub2e8\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\ud654\ubcbd\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub610\ub294 \ud558\ub4dc\uc6e8\uc5b4\ub85c \uad6c\ud604\ub420 \uc218 \uc788\uc73c\uba70, \uc11c\ubc84\ub97c \uc678\ubd80 \uacf5\uaca9\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n4. Linux\uc5d0\uc11c\uc758 \ubc29\ud654\ubcbd \uc124\uc815<\/h2>\n
4.1 iptables<\/h3>\niptables\ub294 Linux\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ubc29\ud654\ubcbd \ub3c4\uad6c\ub85c, \ud328\ud0b7 \ud544\ud130\ub9c1\uc744 \ud1b5\ud574 \ud2b8\ub798\ud53d\uc744 \uad00\ub9ac\ud569\ub2c8\ub2e4. iptables\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \ub2e4\uc591\ud55c \uccb4\uc778\uc744 \uc81c\uacf5\ud558\uba70, \uc0ac\uc6a9\uc790\ub294 \uc774\ub97c \uae30\ubc18\uc73c\ub85c \uaddc\uce59\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
4.1.1 \uae30\ubcf8 \uaddc\uce59 \uc124\uc815 \uc608\uc81c<\/h4>\n# \ubaa8\ub4e0 \ud2b8\ub798\ud53d \ucc28\ub2e8\nsudo iptables -P INPUT DROP\nsudo iptables -P FORWARD DROP\nsudo iptables -P OUTPUT ACCEPT\n\n# \ud2b9\uc815 \ud3ec\ud2b8(\uc608: SSH, HTTP, HTTPS) \ud5c8\uc6a9\nsudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT   # SSH\nsudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT   # HTTP\nsudo iptables -A INPUT -p tcp --dport 443 -j ACCEPT  # HTTPS\n        <\/code><\/pre>\n4.1.2 iptables \uc0c1\ud0dc \ud655\uc778<\/h4>\n# \ud604\uc7ac iptables \uaddc\uce59 \ubcf4\uae30\nsudo iptables -L -n -v\n        <\/code><\/pre>\n4.2 UFW (Uncomplicated Firewall)<\/h3>\nUFW\ub294 Ubuntu\uc5d0\uc11c \uc27d\uac8c \ubc29\ud654\ubcbd\uc744 \uc124\uc815\ud560 \uc218 \uc788\ub3c4\ub85d \uc124\uacc4\ub41c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc0ac\uc6a9\uc790 \uce5c\ud654\uc801\uc778 \ucee4\ub9e8\ub4dc\ub77c\uc778 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud558\uc5ec \uad00\ub9ac\uac00 \uc6a9\uc774\ud569\ub2c8\ub2e4. UFW\ub97c \uc0ac\uc6a9\ud558\uba74 \uac04\ub2e8\ud55c \uba85\ub839\uc73c\ub85c \ubc29\ud654\ubcbd \uaddc\uce59\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
4.2.1 UFW \uc124\uce58 \ubc0f \ud65c\uc131\ud654<\/h4>\n# UFW \uc124\uce58\nsudo apt install ufw\n\n# UFW \ud65c\uc131\ud654\nsudo ufw enable\n        <\/code><\/pre>\n4.2.2 \uae30\ubcf8 \uaddc\uce59 \uc124\uc815 \uc608\uc81c<\/h4>\n# \ubaa8\ub4e0 \ud2b8\ub798\ud53d \ucc28\ub2e8\nsudo ufw default deny incoming\nsudo ufw default allow outgoing\n\n# \ud2b9\uc815 \ud3ec\ud2b8 \ud5c8\uc6a9\nsudo ufw allow 22   # SSH\nsudo ufw allow 80   # HTTP\nsudo ufw allow 443  # HTTPS\n        <\/code><\/pre>\n4.2.3 UFW \uc0c1\ud0dc \ud655\uc778<\/h4>\n# UFW \uc0c1\ud0dc \ubcf4\uae30\nsudo ufw status verbose\n        <\/code><\/pre>\n<\/section>\n\n5. Windows\uc5d0\uc11c\uc758 \ubc29\ud654\ubcbd \uc124\uc815<\/h2>\nWindows Defender Firewall\uc740 Windows \uc6b4\uc601 \uccb4\uc81c\uc5d0 \ub0b4\uc7a5\ub41c \ubcf4\uc548 \ubbf8\uc785\ub2c8\ub2e4. \uc774 \ubc29\ud654\ubcbd\uc740 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud55c \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0 \uc0ac\uc6a9\uc790 \uc815\uc758 \uaddc\uce59\uc744 \ud1b5\ud574 \uc811\uadfc\uc744 \uc81c\uc5b4\ud569\ub2c8\ub2e4.<\/p>\n
5.1 Windows Defender Firewall \uc124\uc815 \ubc29\ubc95<\/h3>\n\n\uc81c\uc5b4\ud310<\/strong>\uc744 \uc5f4\uace0 \uc2dc\uc2a4\ud15c \ubc0f \ubcf4\uc548<\/strong> > Windows Defender Firewall<\/strong>\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/li>\n
\uc67c\ucabd \ud328\ub110\uc5d0\uc11c \uace0\uae09 \uc124\uc815<\/strong>\uc744 \ud074\ub9ad\ud558\uc2ed\uc2dc\uc624.<\/li>\n
\uc5ec\uae30\uc5d0\uc11c \uc778\ubc14\uc6b4\ub4dc \ubc0f \uc544\uc6c3\ubc14\uc6b4\ub4dc \uaddc\uce59\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n5.1.1 \uc778\ubc14\uc6b4\ub4dc \uaddc\uce59 \ucd94\uac00 \uc608\uc81c<\/h4>\n\ud2b9\uc815 \ud3ec\ud2b8\ub97c \ud5c8\uc6a9\ud558\uae30 \uc704\ud574 \uc778\ubc14\uc6b4\ub4dc \uaddc\uce59\uc744 \ucd94\uac00\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\uc0c8 \uaddc\uce59 \ub9cc\ub4e4\uae30<\/strong> \ubc84\ud2bc\uc744 \ud074\ub9ad\ud569\ub2c8\ub2e4.<\/li>\n
\uc124\uc815 \ubc29\ubc95\uc73c\ub85c \ud3ec\ud2b8<\/strong>\ub97c \uc120\ud0dd\ud558\uace0 \ub2e4\uc74c\uc744 \ud074\ub9ad\ud569\ub2c8\ub2e4.<\/li>\n
TCP \ub610\ub294 UDP\ub97c \uc120\ud0dd\ud558\uace0 \ud5c8\uc6a9\ud560 \ud3ec\ud2b8 \ubc88\ud638\ub97c \uc785\ub825\ud569\ub2c8\ub2e4.<\/li>\n
\uaddc\uce59\uc5d0 \ub300\ud55c \uc774\ub984\uc744 \uc9c0\uc815\ud558\uace0 \ub9c8\ubb34\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n5.1.2 \uc544\uc6c3\ubc14\uc6b4\ub4dc \uaddc\uce59 \ucd94\uac00 \uc608\uc81c<\/h4>\n\uc544\uc6c3\ubc14\uc6b4\ub4dc \uaddc\uce59\ub3c4 \ube44\uc2b7\ud55c \uc808\ucc28\ub97c \ub530\ub77c \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\uc6c3\ubc14\uc6b4\ub4dc \uaddc\uce59\uc744 \ucd94\uac00\ud558\ub294 \ubc29\ubc95\uc740 \uc778\ubc14\uc6b4\ub4dc \uaddc\uce59\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n6. \ucd5c\uc2e0 \ubcf4\uc548 \uc5c5\ub370\uc774\ud2b8 \uc801\uc6a9<\/h2>\n\uc11c\ubc84 \ubcf4\uc548\uc744 \uac15\ud654\ud558\uae30 \uc704\ud574 \uc815\uae30\uc801\uc73c\ub85c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc5c5\ub370\uc774\ud2b8\ub97c \uc801\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc5c5\ub370\uc774\ud2b8\ub294 \ubcf4\uc548 \ucde8\uc57d\uc810\uc744 \uc218\uc815\ud558\uace0 \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4. Linux \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 apt<\/code>\uc640 \uac19\uc740 \ud328\ud0a4\uc9c0 \uad00\ub9ac\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc27d\uac8c \uc5c5\ub370\uc774\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
# \uc2dc\uc2a4\ud15c \uc5c5\ub370\uc774\ud2b8\nsudo apt update\nsudo apt upgrade\n        <\/code><\/pre>\nWindows\uc5d0\uc11c\ub294 \uc124\uc815<\/strong> > \uc5c5\ub370\uc774\ud2b8 \ubc0f \ubcf4\uc548<\/strong>\uc73c\ub85c \uc774\ub3d9\ud558\uc5ec \uc5c5\ub370\uc774\ud2b8\ub97c \ud655\uc778\ud558\uace0 \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n7. \ub85c\uadf8 \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \uac10\uc0ac<\/h2>\n\uc11c\ubc84\uc758 \ubcf4\uc548\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \uc815\uae30\uc801\uc778 \ub85c\uadf8 \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \uac10\uc0ac\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. syslog, auth.log\uc640 \uac19\uc740 \ub85c\uadf8 \ud30c\uc77c\uc744 \ud1b5\ud574 \uc0ac\uc6a9\uc790 \ud65c\ub3d9 \ubc0f \uc2dc\uc2a4\ud15c \uc774\ubca4\ud2b8\ub97c \ucd94\uc801\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
7.1 Linux\uc5d0\uc11c \ub85c\uadf8 \ud655\uc778 \uc608\uc81c<\/h3>\n# syslog \ud30c\uc77c \uc5f4\uae30\nsudo cat \/var\/log\/syslog\n\n# auth.log \ud30c\uc77c \uc5f4\uae30 (\uc778\uc99d \uad00\ub828)\nsudo cat \/var\/log\/auth.log\n        <\/code><\/pre>\n7.2 Windows\uc5d0\uc11c \uc774\ubca4\ud2b8 \ubdf0\uc5b4 \uc0ac\uc6a9<\/h3>\nWindows\uc5d0\uc11c\ub294 \uc774\ubca4\ud2b8 \ubdf0\uc5b4<\/strong>\ub97c \ud1b5\ud574 \uc2dc\uc2a4\ud15c \ubc0f \ubcf4\uc548 \uc774\ubca4\ud2b8\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uc791 \uba54\ub274\uc5d0\uc11c \uc774\ubca4\ud2b8 \ubdf0\uc5b4<\/strong>\ub97c \uac80\uc0c9\ud558\uc5ec \uc5f4 \uc218 \uc788\uc73c\uba70, \ub85c\uadf8\ub97c \ud655\uc778\ud558\uace0 \ud2b9\uc815 \uc774\ubca4\ud2b8\ub97c \ubd84\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n8. \uacb0\ub860<\/h2>\n\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815\uc740 \uc11c\ubc84 \uc6b4\uc601\uc758 \uae30\ubcf8\uc801\uc778 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc11c\ubc84\ub97c \uc548\uc804\ud558\uac8c \uc720\uc9c0\ud558\uace0 \ub370\uc774\ud130 \uc720\ucd9c \ubc0f \uc911\ub2e8\uacfc \uac19\uc740 \ubb38\uc81c\ub97c \uc608\ubc29\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c \ub2e4\ub8ec \ub0b4\uc6a9\uc744 \ubc14\ud0d5\uc73c\ub85c \uc2e4\uc81c \uc11c\ubc84 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc801\uc6a9\ud574 \ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<\/section>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
1. \uc11c\ubc84 \ubcf4\uc548\uc758 \uc911\uc694\uc131 \uc11c\ubc84 \ubcf4\uc548\uc740 \uc815\ubcf4 \ubcf4\ud638\uc640 \uc11c\ube44\uc2a4\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ud574\ucee4\ub098 \uc545\uc758\uc801\uc778 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \uacf5\uaca9\uc5d0 \ub178\ucd9c\ub41c \uc11c\ubc84\ub294 \ub370\uc774\ud130 \uc720\ucd9c, \uc11c\ube44\uc2a4 \uc911\ub2e8 \ubc0f \ubd80\uc815\uc801\uc778 \uc7ac\uc815\uc801 \uc601\ud5a5\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uc11c\ubc84\ub97c \uc6b4\uc601\ud560 \ub54c \ubcf4\uc548 \uc815\ucc45\uc744 \uc218\ub9bd\ud558\uace0 \uc774\ub97c \uc801\uc6a9\ud558\ub294 \uac83\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. 2. \uad8c\ud55c \uad00\ub9ac \uc11c\ubc84\uc758 \uc548\uc804\ud55c \uc6b4\uc601\uc744 \uc704\ud574\uc11c\ub294 \uc0ac\uc6a9\uc790 \uad8c\ud55c\uc744 \ucca0\uc800\ud788 \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uad8c\ud55c … \ub354 \ubcf4\uae30 “\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall)”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[179],"tags":[],"class_list":["post-38283","post","type-post","status-publish","format-standard","hentry","category-179"],"yoast_head":"\n\uc11c\ubc84 \ubcf4\uc548 \ubc0f \uad8c\ud55c \uad00\ub9ac, \ubc29\ud654\ubcbd \uc124\uc815 (iptables, UFW, Windows Defender Firewall) - 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