{"id":8837,"date":"2015-08-31T13:28:24","date_gmt":"2015-08-31T04:28:24","guid":{"rendered":"http:\/\/www.webshare.co.kr\/?p=8837"},"modified":"2016-02-12T11:29:52","modified_gmt":"2016-02-12T02:29:52","slug":"linuxcentos-openvpn%ec%9d%84-%ec%9d%b4%ec%9a%a9%ed%95%98%ec%97%ac-vpn%ec%9d%84-%ea%b5%ac%ec%b6%95-%ed%95%b4%eb%b3%b4%ec%9e%90","status":"publish","type":"post","link":"https:\/\/www.webshare.co.kr\/?p=8837","title":{"rendered":"[Linux\/CentOS] OpenVPN\uc744 \uc774\uc6a9\ud558\uc5ec, VPN\uc744 \uad6c\ucd95 \ud574\ubcf4\uc790."},"content":{"rendered":"

\"vpn_logo\"<\/p>\n

 <\/p>\n

\uc9d1\uc5d0 \uc788\ub294 \uc11c\ubc84 PC\ub97c \uc5c5\uadf8\ub808\uc774\ub4dc\ud588\ub2e4.<\/span>
\uc815\ud655\ud788\ub294 \ub354 \uc88b\uc740 \uc0ac\uc591\uc758 PC\ub97c \ud558\ub098 \ub454 \uac83\uc774\uace0,
\uae30\uc874 \uc11c\ubc84 PC\ub294 \ud648 \uc11c\ubc84\ub85c\uc11c \uc138\ucee8\ub4dc\ub85c \ub450\uace0 \uc788\ub2e4.<\/p>\n

\ubb38\uc81c\ub294 \uc778\ud130\ub137 \ud68c\uc120\uc740 \ud558\ub098\uc778\ub370 \ub450 \uac1c\ub97c<\/span> \uac19\uc774 \uc5f0\uacb0\ud558\ub824\ub294 \uac83!
\uba54\uc778 PC\ub294<\/span> \ub79c\uc774 \uaf42\ud600\uc788\uace0,<\/span> \uc138\ucee8\ub4dc\uc640 \uba54\uc778\uc740 \ud06c\ub85c\uc2a4 \ucf00\uc774\ube14\ub85c \uc5f0\uacb0\ud558\uc5ec\u00a0\ub0b4\ubd80 \uc544\uc774\ud53c\ub85c<\/span> \uc7a1\uc544 \ub454 \uc0c1\ud0dc\ub2e4.<\/p>\n

\ubb38\uc81c\ub294 \uc678\ubd80\uc5d0\uc11c \uc138\ucee8\ub4dc PC\uc5d0 \uc811\uc18d\ud558\ub294 \uac83\uc778\ub370…
\uc544\ud30c\uce58\ub294 \ud504\ub77d\uc2dc\ub97c<\/span> \uc774\uc6a9\ud558\uc5ec \ub118\uaca8\uc8fc\uba74 \ub418\uc9c0\ub9cc \uae30\ud0c0 \uc11c\ube44\uc2a4\ub294 \uadf8\ub7ec\ud55c \ubc29\uc2dd\ub4e4\uc774\u00a0\uc5b4\ub835\ub2e4.
\uadf8\ub807\ub2e4\uace0 \ud3ec\ud2b8\ub97c \uc774\uc6a9\ud574\uc11c \ud3ec\uc6cc\ub529 \ud558\uace0 \uc2f6\uc740 \uc0dd\uac01\uc740 \uadf8\ub2e4\uc9c0 \uc5c6\uace0…<\/p>\n

\uc5ec\ud558\ud2bc \ud604\uc7ac \uc0c1\ud669\uc5d0\uc11c PC\ub97c \uc6d0\ud65c\ud558\uac8c\u00a0\uc5f0\ub3d9\ud558\ub294<\/span> \uac83\uc740 \ub2e4\uc18c \ubb34\ub9ac\uac00 \uc788\ub2e4.
\uc9c1\uc811 DNS \uc11c\ubc84\ub97c<\/span> \uafb8\ub9ac\uc9c0 \uc54a\ub294 \uc774\uc0c1\uc740 \ub9d0\uc774\ub2e4.<\/span><\/p>\n

<\/p>\n

\uc774\ubc88\uc5d0 \ud3ec\uc2a4\ud305\ud560 \ub0b4\uc6a9\uc740 VPN\uc5d0 \ub300\ud55c \uac83\uc774\ub2e4.
VPN\uc73c\ub85c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc811\uc18d\ud558\uc5ec \ub0b4\ubd80 IP\ub85c\uc11c PC\ub4e4\uc744 \uc81c\uc5b4\ud560 \uc218 \uc788\ub3c4\ub85d \ud560 \uac83\uc774\ub2e4.
\uba3c\uc800 VPN\uc744 \uc598\uae30\ud558\uc790\uba74 \ubcf5\uc7a1\ud558\uac8c \uc598\uae30\ud560 \uac83 \uc5c6\uc774, \ub124\uc774\ubc84\uc758 \uc6a9\uc5b4 \uc0ac\uc804\uc744 \uc778\uc6a9\ud558\uc5ec<\/span><\/span><\/p>\n


VPN (virtual private network : \uac00\uc0c1 \uc0ac\uc124\ub9dd)<\/strong><\/span>
‘\uc778\ud130\ub137\ub9dd\uacfc \uac19\uc740 \uacf5\uc911\ub9dd\uc744 \uc0ac\uc124\ub9dd\ucc98\ub7fc \uc774\uc6a9\ud574 \ud68c\uc120 \ube44\uc6a9\uc744 \ud06c\uac8c \uc808\uac10\ud560 \uc218 \uc788\ub294 \uae30\uc5c5\ud1b5\uc2e0 \uc11c\ube44\uc2a4\ub97c \ub9d0\ud55c\ub2e4.<\/strong><\/span>‘
\uc774\ub7f0 \ub290\ub08c\uc778\ub370… \uc74c.. \uac1c\ub150\uc740 \uc5b4\ub835\uc9c0 \uc54a\uc73c\ub2c8 \uc27d\uac8c \uc774\ud574\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/span><\/p>\n

<\/p>\n

\uc774 \uae00\uc744 \ubcf8 \uc0ac\ub78c\uc740 \uc5b4\ucc28\ud53c \ub300\ubd80\ubd84 \uc54c\uace0 \uc811\uadfc\ud55c \uac83\uc77c \ud14c\ub2c8,<\/span> \ubcf8\ub860\uc73c\ub85c \ub4e4\uc5b4\uc640 \ubcf8\uaca9\uc801\uc778 \uc124\uce58\ub97c \uc9c4\ud589\ud558\uaca0\ub2e4.
\ucc38\uace0\ub85c \uc6b4\uc601\uccb4\uc81c \ud658\uacbd\uc740 Centos7<\/strong><\/span>\uc774\ub2e4.
\ud0c0 \ubc84\uc804\uc5d0\uc120 \ud655\uc778\ud574\ubcf4\uc9c0 \ubabb\ud588\ub2e4.<\/span><\/span><\/p>\n

 <\/p>\n

<\/p>\n

\uba3c\uc800 repository\ub97c \ucd94\uac00\ud55c\ub2e4.<\/span><\/p>\n

$ yum install epel-release\r\n<\/pre>\n
 <\/p>\n
\uc774\ud6c4 openvpn\uacfc easy-rsa\ub97c \uc124\uce58\ud560<\/span>\uac83\uc774\ub2e4.<\/span><\/p>\n
$ yum install openvpn easy-rsa -y\r\n<\/pre>\n
 <\/p>\n
\uc124\uce58\uac00 \ub05d\ub098\uba74 \ub2e4\uc74c\uc73c\ub85c \ud560 \uac83\uc740 \uae30\ubcf8\uc801\uc778 openvpn \uc138\ud305\uc774\ub2e4.<\/span><\/p>\n
# config \ud30c\uc77c\uc744 \ubcf5\uc0ac \ud55c\ub2e4.\r\n$ cp \/usr\/share\/doc\/openvpn-*\/sample\/sample-config-files\/server.conf \/etc\/openvpn\r\n\r\n# conf\ud30c\uc77c \uc218\uc815\r\n$ vi \/etc\/openvpn\/server.conf\r\n\r\n# \ud558\ub2e8\uc758 \ub0b4\uc6a9\uc744 \uc8fc\uc11d \ud574\uc81c \ud55c\ub2e4. (; \uc81c\uac70)\r\n;push \"redirect-gateway def1 bypass-dhcp\"\r\n\r\n# \ud558\ub2e8\uc758 \ub0b4\uc6a9\uc744 \uc8fc\uc11d \ud574\uc81c \ud558\uace0 \uac12\uc744 \uc138\ud305\ud55c\ub2e4. (\uc8fc\uc18c\ub294 \ud558\ub2e8\uc758 \ub0b4\uc6a9 \ucc38\uace0)\r\n;push \"dhcp-option DNS 208.67.222.222\"\r\n;push \"dhcp-option DNS 208.67.220.220\"\r\n\r\n# \uc720\uc800\uc640 \uadf8\ub8f9 \uc8fc\uc11d \ud574\uc81c\r\n;user nobody\r\n;group nobody\r\n\r\n# \ub85c\uadf8\uac00 \uc313\uc774\uae38 \uc6d0\ud55c\ub2e4\uba74 \ud558\ub2e8 \uc8fc\uc11d \ud574\uc81c\ud6c4 \uacbd\ub85c \uc9c0\uc815 (\ud544\uc790\ub294 \/var\/log\/openvpn\/openvpn.log\ub85c \uc9c0\uc815\ud558\uace0 \/var\/log\/openvpn \ub514\ub809\ud1a0\ub9ac\ub97c \uc0dd\uc131 \ud558\uc600\ub2e4)\r\n;log openvpn.log\r\n;log-append openvpn.log\r\n<\/pre>\n
 \uc0c1\ub2e8\uc758 \ub0b4\uc6a9\uc5d0 \ubcf4\uba74 DNS \ubd80\ubd84\uc744<\/span> \uc791\uc131\ud558\ub294 \ubd80\ubd84\uc774 \uc788\ub294\ub370, \uc774\uacf3\uc740 \uc790\uc2e0\uc758 \uc778\ud130\ub137 \ud1b5\uc2e0\uc0ac\uc758 DNS\ub97c \uc9d1\uc5b4\ub123\uc73c\uba74<\/span> \ub41c\ub2e4.<\/span>
 \ub9cc\uc57d \uc790\uccb4\uc801\uc73c\ub85c DNS \uc11c\ube44\uc2a4\ub97c<\/span> \uc6b4\uc601 \uc911\uc774\ub77c\uba74 \ud574\ub2f9 \uc8fc\uc18c\ub97c \ub123\uc73c\uba74 \ub41c\ub2e4.<\/span>
 \ub9cc\uc57d \uadf8\uac83\ub3c4 \ub2e4 \ubaa8\ub974\uaca0\ub2e4\uba74 \uad6c\uae00 DNS\ub97c \uc9d1\uc5b4\ub123\uc73c\uba74<\/span> \ub41c\ub2e4.<\/span><\/p>\n
KT olleh (\uc62c\ub808; \uad6c QOOK(\ucfe1)), KT DNS<\/span><\/strong>
 \uae30\ubcf8 DNS \uc11c\ubc84 \uc8fc\uc18c – 168.126.63.1<\/span>
 \ubcf4\uc870 DNS \uc11c\ubc84 \uc8fc\uc18c – 168.126.63.2<\/span><\/p>\n
SK Broadband (\ube0c\ub85c\ub4dc\ubc34\ub4dc), SK DNS<\/span><\/strong>
 \uae30\ubcf8 DNS \uc11c\ubc84 \uc8fc\uc18c – 210.220.163.82<\/span>
 \ubcf4\uc870 DNS \uc11c\ubc84 \uc8fc\uc18c – 219.250.36.130<\/span><\/p>\n
LG U+(\uc720\ud50c\ub7ec\uc2a4; \uad6c XPEED \ud30c\uc6cc\ucf64), LG DNS<\/span><\/strong>
 \uae30\ubcf8 DNS \uc11c\ubc84 \uc8fc\uc18c – 164.124.107.9<\/span>
 \ubcf4\uc870 DNS \uc11c\ubc84 \uc8fc\uc18c – 203.248.242.2<\/span><\/p>\n
Google Public (\uad6c\uae00 \ud37c\ube14\ub9ad)<\/span><\/strong>
 \uae30\ubcf8 DNS \uc11c\ubc84 \uc8fc\uc18c – 8.8.8.8<\/span>
 \ubcf4\uc870 DNS \uc11c\ubc84 \uc8fc\uc18c – 8.8.4.4<\/span><\/p>\n
 <\/p>\n
\uc5ec\uae30\uae4c\uc9c0 \uc654\uc73c\uba74 \uae30\ubcf8\uc801\uc778 \uc124\uce58\uc640 \uc138\ud305\uc740 \ub05d\uc774 \ub0ac\uace0,<\/span><\/span>
  \uac00\uc7a5 \uc911\uc694\ud55c \ud0a4\ub97c \uc81c\uc791\ud558\ub294 \uc791\uc5c5\uc744 \ub4e4\uc5b4\uac08<\/span> \uac83\uc774\ub2e4.<\/span><\/p>\n
 <\/p>\n
\ud0a4 \uc0dd\uc131 \uc774\uc804\uc5d0 \uc0ac\uc804 \uc791\uc5c5 \uc900\ube44\ub97c \ud55c\ub2e4.<\/span><\/p>\n
# \ub514\ub809\ud1a0\ub9ac \uc0dd\uc131 \ubc0f \ud30c\uc77c\ub4e4\uc744 easy-rsa \uad00\ub828 \ubcf5\uc0ac\ud55c\ub2e4\r\n$ mkdir -p \/etc\/openvpn\/easy-rsa\/keys\r\n$ cp -rf \/usr\/share\/easy-rsa\/2.0\/* \/etc\/openvpn\/easy-rsa\r\n<\/pre>\n
 <\/p>\n
\uadf8\ub9ac\uace0 \ubcf4\ub2e4 \uc0dd\uc131\uc744 \ud3b8\ud558\uac8c \ud0a4\uc5d0 \uad00\ub828\ub41c \uc18d\uc131\uac12\ub4e4\uc744 \ubbf8\ub9ac \uc138\ud305\ud574\ub454\ub2e4.
 \ud558\ub2e8\uc758 EMAIL\ubd80\ubd84\uc774\ub098 ORG\ubd80\ubd84\uc740 \uc790\uc2e0\uc5d0\uac8c \ub9de\ucdb0 \uc791\uc131\ud558\ub3c4\ub85d \ud55c\ub2e4.<\/span><\/span><\/p>\n
$ vi \/etc\/openvpn\/easy-rsa\/vars\r\n\r\n...\r\n\r\nexport KEY_COUNTRY=\"KR\"\r\nexport KEY_PROVINCE=\"NA\"\r\nexport KEY_CITY=\"Seoul\"\r\nexport KEY_ORG=\"example.com\"\r\nexport KEY_EMAIL=\"admin@example.com\"\r\nexport KEY_OU=\"Community\"\r\n\r\n# X509 Subject Field\r\nexport KEY_NAME=\"server\"\r\n\r\n...\r\n\r\n# \ucc38\uace0\uc6a9, \ubb34\uc2dc \ubc14\ub78c\r\nexport KEY_CN=openvpn.example.com\r\n<\/del>\r\n...<\/pre>\n
 <\/p>\n
\uc774\uc81c \ud0a4\ub97c \ube4c\ub4dc \ud560 \uac83\uc774\ub2e4.<\/span>
 \uba3c\uc800 \uc900\ube44 \uc791\uc5c5<\/span><\/p>\n
#config \ud30c\uc77c\uc744 \ubcf5\uc0ac \uc138\ud305 \ud55c\ub2e4.\r\n$ cp \/etc\/openvpn\/easy-rsa\/openssl-1.0.0.cnf \/etc\/openvpn\/easy-rsa\/openssl.cnf\r\n\r\n# \uacbd\ub85c \uc774\ub3d9\r\n$ cd \/etc\/openvpn\/easy-rsa\r\n\r\n# \uc18c\uc2a4 \ud0c0\uac9f \uc9c0\uc815\r\n$ source .\/vars\r\n\r\n# \ud0a4 \ud30c\uc77c\uc774 \uc0dd\uc131\ub420 \ub514\ub809\ud1a0\ub9ac\ub97c \ube44\uc6b4\ub2e4.\r\n$ .\/clean-all\r\n<\/pre>\n
 <\/p>\n
\ud0a4 \uc0dd\uc131\uc791\uc5c5 \uc2dc\uc791, \uba3c\uc800 ca \ube4c\ub4dc, \ub300\ub7b5 \uc5d4\ud130\ub9cc \uccd0\uc8fc\uba74 \ub41c\ub2e4.<\/span><\/p>\n
$ .\/build-ca\r\n\r\n#\ub300\ub7b5 \uc544\ub798\uc758 \ubb38\uad6c\ub4e4\uc774 \uc9c0\ub098\uac04\ub2e4.\r\nGenerating a 2048 bit RSA private key\r\n............................................+++\r\n.......................................+++\r\nwriting new private key to 'ca.key'\r\n-----\r\nYou are about to be asked to enter information that will be incorporated\r\ninto your certificate request.\r\nWhat you are about to enter is what is called a Distinguished Name or a DN.\r\nThere are quite a few fields but you can leave some blank\r\nFor some fields there will be a default value,\r\nIf you enter '.', the field will be left blank.\r\n-----\r\n...\r\n\r\nCountry Name (2 letter code) [KR]:\r\n...\r\n<\/pre>\n
 <\/p>\n
\ub2e4\uc74c\uc740 \uc11c\ubc84 \ud0a4\ub97c \ube4c\ub4dc \ud560 \uac83\uc778\ub370, \uc5ec\uae30\uc11c \uc911\uc694\ud55c \uac83!\u00a0\ubb34\uc758\uc2dd\uc801\uc73c\ub85c \uc5d4\ud130\ub9cc \uce60 \uc218\uac00 \uc788\ub294\ub370,<\/span>
 \ub05d\uc5d0 \ub098\uc624\ub294 \uc9c8\ubb38\uc5d0 \ub300\ud574 y\ub97c \uccd0\uc918\uc57c\u00a0\ucee4\ubc0b\uc774 \ub41c\ub2e4.<\/span><\/p>\n
# \uc11c\ubc84 \ube4c\ub4dc\r\n$ .\/build-key-server server\r\n\r\n# \ub300\ub7b5 \ub0b4\uc6a9 \uc9c0\ub098\uac10\r\n...\r\n\r\n# \uc5ec\uae30\uc11c y\ub97c \uccd0\uc8fc\uc5b4\uc57c \ud55c\ub2e4!\r\nCertificate is to be certified until Aug 27 10:38:03 2025 GMT (3650 days)\r\nSign the certificate? [y\/n]:y\r\n\r\n# \uc5ec\uae30\uc11c\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\r\n1 out of 1 certificate requests certified, commit? [y\/n]y\r\nWrite out database with 1 new entries\r\nData Base Updated<\/pre>\n
 <\/p>\n
\uc0dd\uc131\ud55c \ud0a4\ub4e4\uc744 \ud1a0\ub300\ub85c dh\ub97c \ube4c\ub4dc \ud55c\ub2e4.<\/span><\/p>\n
$ .\/build-dh\r\n\r\n# \ub300\ub7b5 \uae38\uace0 \uae34 \uc791\uc5c5 \uc9c4\ud589\uc774 \ud750\ub978\ub2e4.\r\nGenerating DH parameters, 2048 bit long safe prime, generator 2\r\nThis is going to take a long time\r\n.............\r\n<\/pre>\n
 <\/p>\n
\uc0dd\uc131\ud55c \ud0a4\ub4e4\uc744 openvpn \ub8e8\ud2b8<\/span> \ub514\ub809\ud130\ub9ac\uc5d0<\/span> \ubcf5\uc0ac\ud574\ub450\uc790.<\/span><\/span><\/p>\n
# \uc774\ub3d9 \ubc0f \ubcf5\uc0ac\r\n$ cd \/etc\/openvpn\/easy-rsa\/keys\r\n$ cp dh2048.pem ca.crt server.crt server.key \/etc\/openvpn\r\n\r\n<\/pre>\n
 <\/p>\n
\ub2e4\uc74c\uc740 \ud074\ub77c\uc774\uc5b8\ud2b8 \uc5f0\uacb0\uc744 \uc704\ud574 \ud0a4\ub97c \uc0dd\uc131\ud558\uc790.<\/span><\/span>
  \ud074\ub77c\uc774\uc5b8\ud2b8\ub3c4 \uc11c\ubc84\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \ub9c8\uc9c0\ub9c9 \uc9c8\ubb38\uc5d0 y\ub97c \ub2f5\ud574\uc57c \u00a0\ucee4\ubc0b \ud55c\ub2e4.<\/span><\/span><\/p>\n
# \ub2e4\uc2dc \uacbd\ub85c \uc774\ub3d9\r\n$ cd \/etc\/openvpn\/easy-rsa\r\n\r\n# \ube4c\ub4dc\r\n$ .\/build-key client\r\n\r\n# \uc11c\ubc84 \ud0a4 \uc0dd\uc131\uacfc \uac19\ub2e4. y\ub97c \ub20c\ub7ec \uc644\ub8cc\r\nCertificate is to be certified until Aug 27 10:38:03 2025 GMT (3650 days)\r\nSign the certificate? [y\/n]:y\r\n\r\n1 out of 1 certificate requests certified, commit? [y\/n]y\r\nWrite out database with 1 new entries\r\nData Base Updated\r\n<\/pre>\n
 <\/p>\n
\uae30\ubcf8\uc801\uc778 \ud0a4 \uc0dd\uc131\uc740 \ubaa8\ub450 \ub05d\uc774 \ub0ac\ub2e4.<\/span>
  \uc774\uc81c \uc678\ubd80\uc5d0\uc11c \uc811\uc18d\ud558\uc5ec \uc9c4\uc785\ud560 \uc2dc \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c\ub85c \uc5f0\ub3d9\uc2dc\ud0ac \ub77c\uc6b0\ud305 \uc791\uc5c5\uc744 \ub4e4\uc5b4\uac08 \uac83\uc774\ub2e4.<\/span><\/p>\n
\uc5ec\uae30\uc11c \ub450\uac00\uc9c0 \uc120\ud0dd\uc9c0\uac00 \uc874\uc7ac\ud55c\ub2e4.<\/span><\/p>\n
\uba3c\uc800 firewalld\ub97c \ube44\ud65c\uc131\ud654 \uc2dc\ud0a4\uace0 iptables\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95<\/span><\/p>\n
# iptable\uc744 \uc124\uce58 \ud55c\ub2e4.\r\n$ yum install iptables-services -y\r\n\r\n# \uc11c\ube44\uc2a4 \uad00\ub828 \uc138\ud305\uc744 \ud55c\ub2e4.\r\n$ systemctl mask firewalld\r\n$ systemctl enable iptables\r\n$ systemctl stop firewalld\r\n$ systemctl start iptables\r\n$ iptables --flush\r\n\r\n# \ud3ec\uc6cc\ub529 \uaddc\uce59 \uc0dd\uc131\r\n$ iptables -t nat -A POSTROUTING -s 10.8.0.0\/24 -o eth0 -j MASQUERADE\r\n\r\n# iptables \uc138\ud305\uac12 \uc800\uc7a5\r\n$ iptables-save > \/etc\/sysconfig\/iptables\r\n\r\n# \ud3ec\uc6cc\ub4dc \ud65c\uc131\ud654\r\n$ vi \/etc\/sysctl.conf\r\nnet.ipv4.ip_forward = 1<\/pre>\n
 <\/p>\n
\uadf8\ub9ac\uace0 firewalld\ub97c \uadf8\ub300\ub85c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95<\/span><\/p>\n
# \uc11c\ube44\uc2a4 \ub4f1\ub85d\r\n$ firewall-cmd --permanent --add-service openvpn\r\n# vpn\uc758 \uc5b4\ub381\ud130\uc778 tun0\uc73c\ub85c zone \uc0dd\uc131 \ubc0f \uc18d\uc131 \uc124\uc815\r\n$ firewall-cmd --permanent --zone=trusted --add-interface=tun0\r\n$ firewall-cmd --permanent --zone=trusted --add-masquerade\r\n# \ubcc0\uc218 \uc124\uc815\r\n$ DEV=$(ip route get 8.8.8.8 | awk 'NR==1 {print $(NF-2)}')\r\n# \uae30\ubcf8 \uc774\ub354\ub137\uc5d0 \uc5f0\uacb0 (\ub9cc\uc57d !! \ud2b9\uc815 \uc5b4\ub381\ud130\uc5d0 \uc5f0\uacb0\uc744 \uc2dc\ud0a4\uace0 \uc2f6\ub2e4\uba74 \ub05d\ubd80\ubd84 -j \uc55e\uc5d0 -o eno2 \uc2dd\uc73c\ub85c \uc5b4\ub381\ud130\ub97c \uc9c0\uc815)\r\n$ firewall-cmd --permanent --direct --passthrough ipv4 -t nat -A POSTROUTING -s 10.8.0.0\/24 -o $DEV -j MASQUERADE\r\n# \uc124\uc815\uac12 \ub9ac\ub85c\ub4dc\r\n$ firewall-cmd --reload<\/pre>\n
 <\/p>\n
\ud3ec\uc6cc\ub529 \uc138\ud305\uc774 \ub05d\ub0ac\uc73c\ub2c8 \uc11c\ube44\uc2a4\ub97c \uc7ac\uc2dc\uc791 \ud558\uc790<\/span><\/p>\n
$ systemctl restart network.service<\/pre>\n
 <\/p>\n
vpn \uc11c\ube44\uc2a4 \ub4f1\ub85d \ubc0f \uc11c\ube44\uc2a4\ub97c \uc2dc\uc791\ud55c\ub2e4.<\/span><\/p>\n
$ systemctl -f enable openvpn@server.service\r\n$ systemctl start openvpn@server.service<\/pre>\n
 <\/p>\n
\uc774\uac83\uc73c\ub85c \uc124\uce58\uac00 \ubaa8\ub450 \ub05d\uc774 \ub0ac\ub2e4.<\/span><\/p>\n
\uc5ec\uae30\uae4c\uc9c0 \uc644\ub8cc\ud55c \ud6c4 openvpn \ud074\ub77c\uc774\uc5b8\ud2b8\ub97c \uc774\uc6a9\ud574 \uc811\uc18d\ud558\uba74 \ub418\ub294\ub370<\/span><\/p>\n
\uba3c\uc800 \ud504\ub85c\uadf8\ub7a8\uc744 \ub2e4\uc6b4\ubc1b\uace0 \uc124\uce58 \ud55c\ub2e4.<\/span>
  \ud574\ub2f9 \ud504\ub85c\uadf8\ub7a8\uc740\u00a0https:\/\/openvpn.net<\/a> \uc5d0 \uc788\uc73c\ub2c8 \ub2e4\uc6b4\ubc1b\uc73c\uba74 \ub41c\ub2e4.<\/span>
 \uc708\ub3c4\uc6b0 \ubc84\uc804\uc740 \ub0b4\uc11c\ubc84\uc5d0 \uc5c5\ub85c\ub4dc \ud6c4\u00a0\ub9c1\ud06c\ub97c \uac78\uc5b4 \ub450\uaca0\ub2e4.<\/span>
 \ucd5c\uc2e0 \ubc84\uc804\uc744 \uc6d0\ud55c\ub2e4\uba74 \uc9c1\uc811 \ud648\ud398\uc774\uc9c0\uc5d0 \uc811\uc18d\ud558\uc5ec \ubc1b\uae38 \ubc14\ub780\ub2e4.<\/span><\/p>\n
 \"\" XP (x86)<\/a>\u00a0 \u00a0\"\" XP (x64)<\/a>\u00a0 \u00a0\"\" Vista and later (x86)<\/a>\u00a0\u00a0\u00a0\"\" Vista and later (x64)<\/a><\/p>\n
 <\/p>\n
\uc124\uce58\uac00 \ub05d\ub0ac\ub2e4 \uac00\uc815\ud558\uace0 \uc9c4\ud589 \ud558\uaca0\ub2e4.<\/span>
 \uc6b0\uc120 \uc11c\ubc84\ub85c\ubd80\ud130 \ud074\ub77c\uc774\uc5b8\ud2b8 \ud0a4\ub97c \ubcf5\uc0ac \ud574\uc628\ub2e4.\u00a0\ud0a4\ub4e4\uc740 \uc544\ub798 \uc704\uce58\uc5d0 \uc788\ub2e4.<\/span>
 sftp\ub098 ftp \ub4f1\ub4f1\uc744 \uc774\uc6a9\ud558\uc5ec \ubcf5\uc0ac \ud574\uc624\uba74 \ub41c\ub2e4.
 <\/span>\/etc\/openvpn\/easy-rsa\/keys\/ca.crt<\/span>
 \/etc\/openvpn\/easy-rsa\/keys\/client.crt<\/span>
  \/etc\/openvpn\/easy-rsa\/keys\/client.key<\/span><\/p>\n
 <\/p>\n
\uadf8\ub9ac\uace0 client.ovpn\uc744 \uc0dd\uc131\ud55c\ub2e4.<\/span>
  \uc774\ub294 \uc11c\ubc84\ub85c \uc811\uc18d\ud558\ub294\ub370 \uc0ac\uc6a9\ub418\ub294 \uc138\ud305\uac12\ub4e4\uc774\ub2e4.<\/span>
  \uba54\ubaa8\uc7a5\ub4f1\uc744 \uc774\uc6a9\ud558\uc5ec \uc791\uc131\ud558\uba74 \ub41c\ub2e4.<\/span><\/p>\n
client\r\ndev tun\r\nproto udp\r\nremote webshare.co.kr 1194\r\nresolv-retry infinite\r\nnobind\r\npersist-key\r\npersist-tun\r\ncomp-lzo\r\nverb 3\r\nca ca.crt\r\ncert client.crt\r\nkey client.key<\/pre>\n
 <\/p>\n
\uc774\ud6c4 client.ovpn \ud30c\uc77c\uacfc \ud0a4 \ud30c\uc77c\ub4e4\uc744 openvpn \uc124\uc815 \ub514\ub809\ud1a0\ub9ac\uc5d0 \ub123\uc5b4 \ub458 \uac83\uc774\ub2e4.<\/span>
  \ud574\ub2f9 \ud3f4\ub354\ub294 \uc544\ub798\uc640 \uac19\ub2e4.<\/span>
 Windows : \u00a0C:\\Program Files\\OpenVPN\\config<\/span>
 MacOS : \u00a0~\/Library\/Application Support\/Tunnelblick\/Configurations<\/span>
 Linux : \u00a0openvpn –config ~\/path\/to\/client.ovpn (client.ovpn \uacbd\ub85c)<\/span><\/p>\n
\uc774\ud6c4 \ud074\ub77c\uc774\uc5b8\ud2b8\ub97c \uc2e4\ud589\ud558\uba74 \ub41c\ub2e4.<\/span>
 \ucc38\uace0\ub85c \uc708\ub3c4\uc6b0 \ube44\uc2a4\ud0c0 \uc774\uc0c1\uc5d0\uc11c\ub294 \ub9c8\uc6b0\uc2a4 \uc6b0\uce21\ubc84\ud2bc\uc744 \ud074\ub9ad\ud558\uc5ec \uad00\ub9ac\uc790\ubaa8\ub4dc\ub85c \uc2e4\ud589\ud558\uc5ec\uc57c \ud55c\ub2e4.<\/span><\/p>\n
 <\/p>\n
\uc704 \uc791\uc5c5\ub4e4\uc774 \ub05d\ub0ac\uc73c\ub2c8 \ud55c\ubc88 \uc811\uc18d \ud574\ubcf4\uc790<\/span><\/p>\n
\"vpn\"
 <\/a>\uad00\ub9ac\uc790 \ubaa8\ub4dc \uc2e4\ud589<\/span><\/p>\n
 <\/p>\n
\"vpn_2\"
 <\/a>\ub354\ube14\ud074\ub9ad \ud639\uc740 \uc6b0\uce21 \ub9c8\uc6b0\uc2a4\ub97c \ub20c\ub7ec Connect \uc2dc\ub3c4<\/span><\/p>\n
 <\/p>\n
\"vpn_3\"
 <\/a>\ub85c\uadf8 \ucc3d\uacfc \ud568\uaed8 \uc811\uc18d\uc744 \uc2dc\ub3c4\ud55c\ub2e4.<\/span><\/p>\n
 <\/p>\n
\"vpn_4\"
 <\/a>\uc811\uc18d \uc644\ub8cc \uba54\uc2dc\uc9c0\uac00 \ub728\uba74 \uc131\uacf5<\/span><\/p>\n
 <\/p>\n
\"vpn_5\"
 <\/a>\ud55c\ubc88 \ub0b4\ubd80 PC\ub85c \uc811\uadfc\uc744 \ud574\ubcf4\uc790<\/span><\/p>\n
 <\/p>\n
\"vpn_6\"
 <\/a>\uc811\uc18d\uc774 \uc644\ub8cc \ub418\uc5c8\ub2e4.<\/span><\/p>\n
 <\/p>\n
\uae00\uc774 \uae38\uc5b4\uc84c\ub294\ub370, \uc0ac\uc2e4 \uc124\uce58\ub098 \uc138\ud305\uc740 \uc804\ud600 \uc5b4\ub824\uc6b4 \uac8c<\/span> \uc5c6\ub2e4.<\/span>
 \uc0c1\ud669\uc5d0 \ub530\ub77c\uc11c VPN\uc740 \uc0c1\ub2f9\ud788 \uc720\uc6a9\ud55c \uae30\ub2a5\uc73c\ub85c\uc11c \ub9ce\uc740 \ud3b8\ub9ac\ud568\uc744 \uc900\ub2e4.<\/span>
 \ube44\uc6a9\uc801\uc778 \ubd80\ubd84\uc5d0\uc11c\ub3c4 \uc544\uc8fc \uacbd\uc81c\uc801\uc774\ub77c\uace0 \ud560 \uc218 \uc788\ub2e4.<\/span>
 \ub098\uc640 \uac19\uc774<\/span> \uace0\ubbfc\ud558\uace0 \uc788\ub294 \uc0ac\ub78c\uc5d0\uac8c \ub3c4\uc6c0\uc774 \ub418\uae38 \ubc14\ub77c\uba70 \uae00\uc744 \uc368\ubcf8\ub2e4.<\/span><\/p>\n
 \uad73\uc774 \uc678\ubd80\uc5d0\uc11c \uc811\uc18d\ud560 \ud544\uc694\uac00 \uc5c6\ub294 \uacbd\uc6b0<\/span> \uc0ac\uc6a9\ud558\uba74 \uad1c\ucc2e\ub2e4.<\/span>
 \ud0a4\ub97c \uc774\uc6a9\ud574\uc11c \uc811\uadfc\ud55c\ub2e4\ub294 \uac83\ub9cc\uc73c\ub85c\ub3c4<\/span>\uad00\ub9ac\ub9cc \uc798\ud558\uba74 \ubcf4\uc548\uc801\uc778 \ubd80\ubd84\uc5d0\uc11c \ub69c\ub837\ub2e8 \uc7a5\uc810\uc774 \uc874\uc7ac\ud55c\ub2e4.<\/span><\/p>\n
 \uad81\uae08\ud55c \uc810\uc740<\/span> \ub313\uae00 \ubc14\ub78d\ub2c8\ub2e4.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
  \uc9d1\uc5d0 \uc788\ub294 \uc11c\ubc84 PC\ub97c \uc5c5\uadf8\ub808\uc774\ub4dc\ud588\ub2e4. \uc815\ud655\ud788\ub294 \ub354 \uc88b\uc740 \uc0ac\uc591\uc758 PC\ub97c \ud558\ub098 \ub454 \uac83\uc774\uace0, \uae30\uc874 \uc11c\ubc84 PC\ub294 \ud648 \uc11c\ubc84\ub85c\uc11c \uc138\ucee8\ub4dc\ub85c \ub450\uace0 \uc788\ub2e4. \ubb38\uc81c\ub294 \uc778\ud130\ub137 \ud68c\uc120\uc740 \ud558\ub098\uc778\ub370 \ub450 \uac1c\ub97c \uac19\uc774 \uc5f0\uacb0\ud558\ub824\ub294 \uac83! \uba54\uc778 PC\ub294 \ub79c\uc774 \uaf42\ud600\uc788\uace0, \uc138\ucee8\ub4dc\uc640 \uba54\uc778\uc740 \ud06c\ub85c\uc2a4 \ucf00\uc774\ube14\ub85c \uc5f0\uacb0\ud558\uc5ec\u00a0\ub0b4\ubd80 \uc544\uc774\ud53c\ub85c \uc7a1\uc544 \ub454 \uc0c1\ud0dc\ub2e4. \ubb38\uc81c\ub294 \uc678\ubd80\uc5d0\uc11c \uc138\ucee8\ub4dc PC\uc5d0 \uc811\uc18d\ud558\ub294 \uac83\uc778\ub370… \uc544\ud30c\uce58\ub294 \ud504\ub77d\uc2dc\ub97c \uc774\uc6a9\ud558\uc5ec \ub118\uaca8\uc8fc\uba74 \ub418\uc9c0\ub9cc […]<\/p>\n","protected":false},"author":1,"featured_media":8839,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[51],"tags":[],"class_list":["post-8837","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-it"],"yoast_head":"\n[Linux\/CentOS] OpenVPN\uc744 \uc774\uc6a9\ud558\uc5ec, VPN\uc744 \uad6c\ucd95 \ud574\ubcf4\uc790. - 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