{"id":41624,"date":"2024-11-07T16:56:20","date_gmt":"2024-11-07T16:56:20","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=41624"},"modified":"2024-11-26T06:36:08","modified_gmt":"2024-11-26T06:36:08","slug":"2-%ed%95%84%ec%88%98-%ed%8c%a8%ed%82%a4%ec%a7%80-%eb%b0%8f-%eb%8f%84%ea%b5%ac-%ec%84%a4%ec%b9%98-fail2ban%ea%b3%bc-ufw%eb%a1%9c-%ea%b8%b0%eb%b3%b8%ec%a0%81%ec%9d%b8-%ec%84%9c%eb%b2%84-%eb%b3%b4","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/41624\/","title":{"rendered":"2.\ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815"},"content":{"rendered":"

<\/p>\n

2. \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815<\/h2>\n

\uc11c\ubc84\ub97c \uc6b4\uc601\ud558\uae30 \uc704\ud574\uc11c\ub294 \uae30\ubcf8\uc801\uc778 \ud328\ud0a4\uc9c0 \uc124\uce58\uc640 \ubcf4\uc548 \uc124\uc815\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ubcf8 \ubb38\uc11c\uc5d0\uc11c\ub294 \uc6b0\ubd84\ud22c \uc11c\ubc84\ub97c \uad6c\ucd95\ud558\uace0 \uad00\ub9ac\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c\uc758 \uc124\uce58 \ubc29\ubc95\uacfc \ud568\uaed8, Fail2Ban \ubc0f UFW\ub97c \uc774\uc6a9\ud55c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

2.1 \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58<\/h3>\n

\uc6b0\ubd84\ud22c \uc11c\ubc84 \ud658\uacbd\uc744 \uad6c\ucd95\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc5ec\ub7ec \uac00\uc9c0 \ud544\uc218 \ud328\ud0a4\uc9c0\uc640 \ub3c4\uad6c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud328\ud0a4\uc9c0\ub294 \uc11c\ubc84\uc758 \uc131\ub2a5\uacfc \uc548\uc804\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n

2.1.1 SSH \uc11c\ubc84<\/h4>\n

SSH(Secure Shell)\ub294 \uc6d0\uaca9 \uc11c\ubc84\uc5d0 \uc548\uc804\ud558\uac8c \uc811\uadfc\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc8fc\ub294 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc6b0\ubd84\ud22c \uc11c\ubc84\uc5d0\uc11c\ub294 \uae30\ubcf8\uc801\uc73c\ub85c OpenSSH \uc11c\ubc84 \ud328\ud0a4\uc9c0\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

sudo apt update\nsudo apt install openssh-server\n<\/code><\/pre>\n
2.1.2 Nginx \ub610\ub294 Apache \uc6f9 \uc11c\ubc84<\/h4>\n
\uc6f9\uc0ac\uc774\ud2b8\ub97c \ud638\uc2a4\ud305\ud558\uae30 \uc704\ud574 Nginx\ub098 Apache \uc911 \ud558\ub098\uc758 \uc6f9 \uc11c\ubc84 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uc120\ud0dd\ud558\uc5ec \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
sudo apt install nginx\n<\/code><\/pre>\n
\ub610\ub294<\/p>\n
sudo apt install apache2\n<\/code><\/pre>\n
2.1.3 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc11c\ubc84<\/h4>\n
WordPress\uc640 \uac19\uc740 \ucf58\ud150\uce20 \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc744 \uc6b4\uc601\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc11c\ubc84\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. MySQL \ub610\ub294 MariaDB\ub97c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
sudo apt install mysql-server\n<\/code><\/pre>\n
2.1.4 PHP \ubc0f \uad00\ub828 \ubaa8\ub4c8<\/h4>\n
WordPress\ub294 PHP\ub85c \uc791\uc131\ub418\uc5c8\uc73c\ubbc0\ub85c, PHP\uc640 \uad00\ub828 \ubaa8\ub4c8\uc744 \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
sudo apt install php php-mysql php-curl php-gd php-mbstring php-xml\n<\/code><\/pre>\n
2.1.5 \ubc29\ud654\ubcbd(UFW)<\/h4>\n
UFW(Uncomplicated Firewall)\ub294 \uc6b0\ubd84\ud22c\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ubc29\ud654\ubcbd\uc785\ub2c8\ub2e4. \uc11c\ubc84 \ubcf4\uc548 \uc720\uc9c0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n
sudo apt install ufw\n<\/code><\/pre>\n
2.2 Fail2Ban\uc73c\ub85c \uc11c\ubc84 \ubcf4\uc548 \uac15\ud654<\/h3>\n
Fail2Ban\uc740 \ub85c\uadf8 \ud30c\uc77c\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \ubc18\ubcf5\uc801\uc73c\ub85c \ub85c\uadf8\uc778 \uc2e4\ud328\uac00 \ubc1c\uc0dd\ud558\ub294 IP \uc8fc\uc18c\ub97c \ucc28\ub2e8\ud558\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774\ub85c\uc368 \ube0c\ub8e8\ud2b8 \ud3ec\uc2a4 \uacf5\uaca9\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2.2.1 Fail2Ban \uc124\uce58<\/h4>\n
Fail2Ban\uc744 \uc124\uce58\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
sudo apt install fail2ban\n<\/code><\/pre>\n
2.2.2 Fail2Ban \uae30\ubcf8 \uc124\uc815<\/h4>\n
\uc124\uce58 \ud6c4, \uae30\ubcf8 \uc124\uc815\uc744 \uc704\ud574 \uc124\uc815 \ud30c\uc77c\uc744 \ubcf5\uc0ac\ud558\uace0 \uc218\uc815\ud569\ub2c8\ub2e4.<\/p>\n
sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local\nsudo nano \/etc\/fail2ban\/jail.local\n<\/code><\/pre>\n
\uc774 \ud30c\uc77c\uc5d0\uc11c \ud544\uc694\ud55c \uc124\uc815\uc744 \ucd94\uac00\ud558\uac70\ub098 \uc218\uc815\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, SSH \ubcf4\ud638\ub97c \uc704\ud574 \uc544\ub798\uc640 \uac19\uc774 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
[sshd]\nenabled = true\nport = ssh\nfilter = sshd\naction = iptables[name=SSH, port=ssh, protocol=tcp]\nlogpath = \/var\/log\/auth.log\nmaxretry = 3\nbantime = 600\n<\/code><\/pre>\n
2.2.3 Fail2Ban \uc11c\ube44\uc2a4 \uc2dc\uc791<\/h4>\n
\uc124\uc815 \uc644\ub8cc \ud6c4, \uc11c\ube44\uc2a4\ub97c \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/p>\n
sudo systemctl start fail2ban\nsudo systemctl enable fail2ban\n<\/code><\/pre>\n
2.3 UFW\ub85c \ubc29\ud654\ubcbd \uc124\uc815<\/h3>\n
UFW\ub97c \uc0ac\uc6a9\ud558\uc5ec TCP\/IP \ubc29\ud654\ubcbd\uc744 \uc124\uc815\ud558\ub294 \ubc29\ubc95\ub3c4 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n
2.3.1 UFW \ud65c\uc131\ud654<\/h4>\n
\uae30\ubcf8\uc801\uc73c\ub85c UFW\ub294 \ube44\ud65c\uc131\ud654\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c, \ud65c\uc131\ud654\ud558\ub294 \uba85\ub839\uc5b4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
sudo ufw enable\n<\/code><\/pre>\n
2.3.2 SSH \uc811\uadfc \ud5c8\uc6a9<\/h4>\n
SSH \uc811\uadfc\uc744 \ud5c8\uc6a9\ud558\uc5ec \uc11c\ubc84\uc5d0 \uc6d0\uaca9\uc73c\ub85c \uc811\uadfc\ud560 \uc218 \uc788\ub3c4\ub85d \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n
sudo ufw allow ssh\n<\/code><\/pre>\n
\ub610\ub294 \ud3ec\ud2b8 \ubc88\ud638\ub97c \uc9c0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
sudo ufw allow 22\n<\/code><\/pre>\n
2.3.3 \uc6f9 \uc11c\ubc84 \uc811\uadfc \ud5c8\uc6a9<\/h4>\n
\uc6f9 \uc11c\ubc84\uc5d0 \ub530\ub77c \ud544\uc694\ud55c \ud3ec\ud2b8\ub97c \ud5c8\uc6a9\ud569\ub2c8\ub2e4. Nginx\uc758 \uacbd\uc6b0 \ud3ec\ud2b8 80\uacfc 443\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n
sudo ufw allow 'Nginx Full'\n<\/code><\/pre>\n
Apache\uc758 \uacbd\uc6b0:<\/p>\n
sudo ufw allow 'Apache Full'\n<\/code><\/pre>\n
2.3.4 \ubc29\ud654\ubcbd \uc0c1\ud0dc \ud655\uc778<\/h4>\n
\uc124\uc815\uc774 \uc644\ub8cc\ub41c \ud6c4, \ubc29\ud654\ubcbd \uc0c1\ud0dc\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
sudo ufw status\n<\/code><\/pre>\n
\uacb0\ub860<\/h2>\n
\uc6b0\ubd84\ud22c \uc11c\ubc84 \uad6c\ucd95\uc5d0 \uc788\uc5b4 \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, \uadf8\ub9ac\uace0 Fail2Ban\uacfc UFW\ub97c \ud1b5\ud55c \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\ubcf8 \uc124\uacc4\ub97c \ud1b5\ud574 \uc11c\ubc84\ub97c \uc548\uc804\ud558\uac8c \uc6b4\uc601\ud560 \uc218 \uc788\uc73c\uba70, \ucd94\ud6c4 \ub2e4\uc591\ud55c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ubc30\ud3ec\ud558\ub294 \ub370 \ud544\uc694\ud55c \uae30\ubc18\uc744 \ub9c8\ub828\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \ub3c4\uad6c\uc640 \ud328\ud0a4\uc9c0\uc758 \uc124\uce58 \ubc0f \uc124\uc815\uc740 \ubcf4\uc548 \ubc0f \uc131\ub2a5\uc744 \uacb0\uc815\uc9d3\ub294 \uc911\uc694\ud55c \uc694\uc18c\uc784\uc744 \uba85\uc2ec\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
2. \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815 \uc11c\ubc84\ub97c \uc6b4\uc601\ud558\uae30 \uc704\ud574\uc11c\ub294 \uae30\ubcf8\uc801\uc778 \ud328\ud0a4\uc9c0 \uc124\uce58\uc640 \ubcf4\uc548 \uc124\uc815\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ubcf8 \ubb38\uc11c\uc5d0\uc11c\ub294 \uc6b0\ubd84\ud22c \uc11c\ubc84\ub97c \uad6c\ucd95\ud558\uace0 \uad00\ub9ac\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c\uc758 \uc124\uce58 \ubc29\ubc95\uacfc \ud568\uaed8, Fail2Ban \ubc0f UFW\ub97c \uc774\uc6a9\ud55c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. 2.1 \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58 \uc6b0\ubd84\ud22c \uc11c\ubc84 … \ub354 \ubcf4\uae30 “2.\ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815”<\/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-41624","post","type-post","status-publish","format-standard","hentry","category-179"],"yoast_head":"\n2.\ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815 - \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\/41624\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2.\ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"2. \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815 \uc11c\ubc84\ub97c \uc6b4\uc601\ud558\uae30 \uc704\ud574\uc11c\ub294 \uae30\ubcf8\uc801\uc778 \ud328\ud0a4\uc9c0 \uc124\uce58\uc640 \ubcf4\uc548 \uc124\uc815\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ubcf8 \ubb38\uc11c\uc5d0\uc11c\ub294 \uc6b0\ubd84\ud22c \uc11c\ubc84\ub97c \uad6c\ucd95\ud558\uace0 \uad00\ub9ac\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c\uc758 \uc124\uce58 \ubc29\ubc95\uacfc \ud568\uaed8, Fail2Ban \ubc0f UFW\ub97c \uc774\uc6a9\ud55c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. 2.1 \ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58 \uc6b0\ubd84\ud22c \uc11c\ubc84 … \ub354 \ubcf4\uae30 "2.\ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/41624\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-07T16:56:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T06:36:08+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\/41624\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/41624\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"2.\ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815\",\"datePublished\":\"2024-11-07T16:56:20+00:00\",\"dateModified\":\"2024-11-26T06:36:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/41624\/\"},\"wordCount\":56,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"\uc11c\ubc84\uad6c\ucd95\uc6b4\uc601\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/41624\/\",\"url\":\"https:\/\/atmokpo.com\/w\/41624\/\",\"name\":\"2.\ud544\uc218 \ud328\ud0a4\uc9c0 \ubc0f \ub3c4\uad6c \uc124\uce58, Fail2Ban\uacfc UFW\ub85c \uae30\ubcf8\uc801\uc778 \uc11c\ubc84 \ubcf4\uc548 \uc124\uc815 - 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