{"id":697,"date":"2021-05-04T07:29:26","date_gmt":"2021-05-03T22:29:26","guid":{"rendered":"https:\/\/manvscloud.com\/?p=697"},"modified":"2022-10-25T20:57:07","modified_gmt":"2022-10-25T11:57:07","slug":"ncp-load-balancer-%ec%82%ac%ec%9a%a9-%ec%8b%9c-%ec%9b%b9%ec%84%9c%eb%b2%84-%eb%a1%9c%ea%b7%b8%ec%97%90%ec%84%9c-client-ip%eb%a5%bc-%eb%b3%bc-%ec%88%98-%ec%9e%88%ec%9d%84%ea%b9%8c","status":"publish","type":"post","link":"https:\/\/manvscloud.com\/?p=697","title":{"rendered":"[NCLOUD] Load Balancer \uc0ac\uc6a9 \uc2dc \uc6f9\uc11c\ubc84 \ub85c\uadf8\uc5d0\uc11c Client IP\ub97c \ubcfc \uc218 \uc788\uc744\uae4c?"},"content":{"rendered":"\n

\uc548\ub155\ud558\uc138\uc694. ManVSCloud \uae40\uc218\ud604\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc624\ub298\uc740 Naver Cloud Platform\uc5d0\uc11c LOAD BALANCER \uc0ac\uc6a9 \uc2dc\uc5d0 \uc6f9\uc11c\ubc84 \ub0b4 \ub85c\uadf8\uc5d0 \ucc0d\ud788\ub294 IP\uac00 Client IP\uac00 \ucc0d\ud788\ub3c4\ub85d \uc124\uc815\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ud3ec\uc2a4\ud305 \ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

HTTP \ud5e4\ub354 \uc911 \ud558\ub098\uc778 X-Forwarded-For\ub97c \uc774\uc6a9\ud558\ub294 \ubc29\ubc95\uacfc \uac01 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \ubaa8\ub4c8\uc744 \uc774\uc6a9\ud558\uc5ec Client IP\ub97c \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95 \ub450 \uac00\uc9c0\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\n\n\n\n

\ud14c\uc2a4\ud2b8 \uae30\ubcf8 \uc138\ud305<\/h3>\n\n\n\n
\"\"
\ud574\ub2f9 \uc774\ubbf8\uc9c0\ub97c \ub354\ube14 \ud074\ub9ad\ud558\uc2dc\uba74 \ud070 \ud654\uba74\uc73c\ub85c \uc774\ubbf8\uc9c0\ub97c \uc790\uc138\ud788 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n

\uc800\ub294 VPC \ud658\uacbd\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ub97c \uc9c4\ud589\ud558\uc600\uc2b5\ub2c8\ub2e4.
(Classic\ub3c4 \ub3d9\uc77c\ud55c \ubc29\ubc95\uc73c\ub85c \uac00\ub2a5\ud569\ub2c8\ub2e4.)<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

centos-7.8-64\ub85c \uc0dd\uc131\ud574\uc8fc\uc5c8\uc2b5\ub2c8\ub2e4.
\uc11c\ubc84 \uc0dd\uc131 \ud6c4 Apache\ub97c \uc124\uce58\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

[root@manvscloud-web-pub-kr2 ~]# yum install httpd httpd-devel -y\n[root@manvscloud-web-pub-kr2 ~]# systemctl enable httpd\nCreated symlink from \/etc\/systemd\/system\/multi-user.target.wants\/httpd.service to \/usr\/lib\/systemd\/system\/httpd.service.\n[root@manvscloud-web-pub-kr2 ~]# systemctl start httpd<\/pre>\n\n\n\n
\ud14c\uc2a4\ud2b8 \uc900\ube44\ub294 \ub05d\ub0ac\uc2b5\ub2c8\ub2e4.
\uc774\uc81c LB\uac00 \uc5c6\uc744 \ub54c, X-Forwarded-For\ub97c \uc0ac\uc6a9\ud560 \ub54c, \uac01 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud560 \ub54c\uc5d0 \ub300\ud574\uc11c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
  Load Balancer\uac00 \uc5c6\uc744 \ub54c<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\uc6b0\uc120 Load Balancer\uac00 \uc5c6\uc744 \ub54c \ud574\ub2f9 \uc11c\ubc84\ub85c \uc811\uadfc \ud560 \uacbd\uc6b0 \uc815\uc0c1\uc801\uc73c\ub85c Client IP\uac00 \ucc0d\ud799\ub2c8\ub2e4.
(Client – Server)<\/p>\n\n\n\n
\n\n\n\n
 Load Balancer\ub97c \ucd94\uac00\ud588\uc744 \ub54c<\/h3>\n\n\n\n
\"\"
Application Load Balancer\ub85c \uc0dd\uc131\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n
\"\"
index.jsp \u2192 index.html<\/figcaption><\/figure>\n\n\n\n
\"\"
tail -f \/var\/log\/httpd\/access_log<\/figcaption><\/figure>\n\n\n\n
Load Balancer\ub97c \ucd94\uac00\ud558\uac8c\ub418\uba74 \uc704\uc640 \uac19\uc774 Client IP\uac00 \uc544\ub2cc LB\uc758 \uc0ac\uc124 IP\uac00 \ucc0d\ud788\uac8c \ub429\ub2c8\ub2e4.
(Client – LB – Server)<\/p>\n\n\n\n
\uc774\uc81c LB\uac00 \uc788\ub294 \uc0c1\ud0dc\uc5d0\uc11c Client IP\ub97c \ubcfc \uc218 \uc788\ub3c4\ub85d \uc124\uc815\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
 X-Forwarded-For<\/h3>\n\n\n\n
[root@manvscloud-web-pub-kr2 html]# grep -n LogFormat \/etc\/httpd\/conf\/httpd.conf \n196:    LogFormat \"%h %l %u %t \\\"%r\\\" %>s %b \\\"%{Referer}i\\\" \\\"%{User-Agent}i\\\"\" combined\n197:    LogFormat \"%h %l %u %t \\\"%r\\\" %>s %b\" common\n201:      LogFormat \"%h %l %u %t \\\"%r\\\" %>s %b \\\"%{Referer}i\\\" \\\"%{User-Agent}i\\\" %I %O\" combinedio<\/pre>\n\n\n\n
Apache\uc758 LogFormat\uc744 \ubcf4\uba74 \ud604\uc7ac \uc704\uc640 \uac19\uc774 \ub418\uc5b4\uc788\uc2b5\ub2c8\ub2e4.
\uc774 LogFormat\uc744 \uc870\uae08 \ubcc0\uacbd\ud574\uc904 \uac83\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n
vi \/etc\/httpd\/conf\/httpd.conf \ub97c \uc774\uc6a9\ud558\uc5ec 196 \ub77c\uc778\uc5d0 LogFormat\uc744 \uc544\ub798\uc640 \uac19\uc774 \ubcc0\uacbd \ud574\uc8fc\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
    196     LogFormat \"%{X-Forwarded-For}i %h %l %u %t \\\"%r\\\" %>s %b \\\"%{Referer}i\\\" \\\"%{User-Agent}i\\\"\" combined<\/pre>\n\n\n\n
\uae30\uc874 LogFormat \uac00\uc7a5 \uc55e\ubd80\ubd84\uc5d0 %{X-Forwarded-For}i \uc744 \ucd94\uac00\ud574\uc900 \uac83\uc785\ub2c8\ub2e4.
\uc774\ub97c \ucd94\uac00\ud574\uc900 \ub4a4\uc5d0 Apache \uc7ac\uc2dc\uc791 1\ud68c \uc9c4\ud589 \ud6c4 \ub2e4\uc2dc \ud55c \ubc88 \ub85c\uadf8\ub97c \ud655\uc778\ud574\ubcf4\uba74 Client IP\uac00 \ucc0d\ud788\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n
\"\"
\uc6f9 \uc811\uc18d \uc2dc Client IP\uac00 \ucd94\uac00\ub41c\ub2e4.<\/figcaption><\/figure>\n\n\n\n
\uc774 \uc124\uc815\uc740 Apache \ubfd0\ub9cc \uc544\ub2c8\ub77c Nginx, Tomcat\uc5d0\uc11c\ub3c4 \ub2f9\uc5f0\ud788 \uc124\uc815\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.
\uc544\ub798 \ub9c1\ud06c\ub97c \ucc38\uace0\ud558\uba74 \uc88b\uc744\ub4ef\ud569\ub2c8\ub2e4.<\/p>\n\n\n
<\/a>
\"\"<\/div><\/div>
Proxy(\ud504\ub77d\uc2dc) \ud658\uacbd\uc5d0\uc11c client IP \ub97c \uc5bb\uae30 \uc704\ud55c X-Forwarded-For(XFF) http header<\/div>
\uac1c\uc694Link to \uac1c\uc694
\nXFF \ub294 HTTP Header \uc911 \ud558\ub098\ub85c HTTP Server \uc5d0 \uc694\uccad\ud55c clinet \uc758 IP \ub97c \uc2dd\ubcc4\ud558\uae30 \uc704\ud55c \uc0ac\uc2e4\uc0c1\uc758 \ud45c\uc900\uc774\ub2e4.<\/div><\/div><\/div>\n\n\n
\n\n\n\n
 Network Proxy Load Balancer<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\uc774\uc81c Apache\uc640 Nginx\uc5d0 \ubaa8\ub4c8\uc744 \ucd94\uac00\ud558\uc5ec Client IP \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcfc \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
\ubaa8\ub4c8\uc744 \uc124\uba85\ud558\uae30 \uc55e\uc11c \uae30\uc874\uc5d0 \uc0ac\uc6a9\ud558\ub358 ‘\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub85c\ub4dc\ubc38\ub7f0\uc11c’\uc5d0\uc11c 
‘\ub124\ud2b8\uc6cc\ud06c \ud504\ub85d\uc2dc \ub85c\ub4dc\ubc38\ub7f0\uc11c’\ub85c \ubcc0\uacbd\ud574\uc904 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
LB \uc0dd\uc131\uc740 \ud06c\uac8c \ub2e4\ub97c \uac83\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.
\ub2e4\ub9cc Target Group\uc5d0\uc11c \uc870\uae08 \ub2e4\ub974\uac8c \uc124\uc815\uc744 \ud574\uc904 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\ud504\ub85c\ud1a0\ucf5c\uc740 PROXY_TCP\ub85c \ud574\uc90d\ub2c8\ub2e4!
\uadf8\ub9ac\uace0 TargetGroup \uc124\uc815\uc5d0\uc11c ProxyProtocol\uc744 \ud074\ub9ad\ud574\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n
\ucf58\uc194\uc5d0\uc11c \ud574\uc904 \uc791\uc5c5\uc740 \uc774\uac78\ub85c \ub05d\uc785\ub2c8\ub2e4. \uc774\uc81c \ubaa8\ub4c8\uc744 \ucd94\uac00\ud558\ub7ec \uac11\uc2dc\ub2e4!<\/p>\n\n\n\n
\n\n\n\n
 Apache Module<\/h3>\n\n\n\n
[root@manvscloud-web-pub-kr2 src]# apachectl -M | grep myfixip<\/pre>\n\n\n\n
Apache\uc5d0\uc11c\ub294 myfixip \ubaa8\ub4c8\uc744 \uc774\uc6a9\ud560 \uac83\uc785\ub2c8\ub2e4.
\ud574\ub2f9 \ubaa8\ub4c8\uc758 \uacbd\uc6b0 \uae30\ubcf8 \ub0b4\uc7a5 \ubaa8\ub4c8\uc774 \uc544\ub2c8\ub77c \uc544\ub798\uc640 \uac19\uc774 \ucd94\uac00\ud574\uc8fc\uc5b4\uc57c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
[root@manvscloud-web-pub-kr2 html]# cd \/usr\/local\/src\n[root@manvscloud-web-pub-kr2 src]# wget --no-check-certificate https:\/\/raw.githubusercontent.com\/ggrandes\/apache24-modules\/master\/mod_myfixip.c\n[root@manvscloud-web-pub-kr2 src]# apxs -aic mod_myfixip.c <\/pre>\n\n\n\n
[root@manvscloud-web-pub-kr2 src]# apachectl -M | grep myfixip\n myfixip_module (shared)<\/pre>\n\n\n\n
myfixip_module\uc774 \ucd94\uac00\ub41c \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\uc774\uc81c httpd.conf\uc5d0 \ud574\ub2f9 \ubaa8\ub4c8\uc744 \ucd94\uac00\ud574\uc8fc\uace0 \uc0ac\uc6a9\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
[root@manvscloud-web-pub-kr2 ~]# cat << EOF >> \/etc\/httpd\/conf\/httpd.conf\n> LoadModule myfixip_module modules\/mod_myfixip.so\n> <IfModule mod_myfixip.c>\n> RewriteIPResetHeader off\n> RewriteIPAllow 10.0.0.0\/16  \n> <\/IfModule>\n> EOF\n[root@manvscloud-web-pub-kr2 ~]# systemctl restart httpd<\/pre>\n\n\n\n
RewriteIPAllow\uc740 Load Balancer\uac00 \uc788\ub294 \ub300\uc5ed\uc744 \ucd94\uac00\ud574\uc8fc\uba74 \ub429\ub2c8\ub2e4.
\uc704\uc5d0\uc11c \ucd94\uac00\ud55c Proxy LB\ub85c \uc811\uc18d\ud558\uac8c \ub418\uba74 \uc774\uc81c \uc544\ub798\uc640 \uac19\uc774 Log\uac00 \ub0a8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
\"\"
Apache myfixip<\/figcaption><\/figure>\n\n\n\n
\uc815\ub9d0 \uae54\ub054\ud558\uac8c Client IP\uac00 \ubcf4\uc774\uace0 \uc788\uc2b5\ub2c8\ub2e4.
\uc774\uc81c Apache\uc640 \ud568\uaed8 \ub9ce\uc774 \uc0ac\uc6a9\ub418\uace0 \uc788\ub294 Nginx\uc5d0\uc11c \uc124\uc815\uc744 \ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
 Nginx Module<\/h3>\n\n\n\n
\uc6b0\uc120 Nginx\ub294 \uc544\ub798 \ub0b4\uc6a9\uc744 \ucc38\uace0\ud558\uba74 \uac04\ub2e8\ud558\uac8c \uc124\uce58\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
[root@manvscloud-web-pub-kr2 ~]# vi \/etc\/yum.repos.d\/nginx.repo\n[nginx]\nname=nginx repo\nbaseurl=http:\/\/nginx.org\/packages\/centos\/7\/$basearch\/\ngpgcheck=0\nenabled=1\n[root@manvscloud-web-pub-kr2 ~]# yum install nginx\n[root@manvscloud-web-pub-kr2 ~]# systemctl start nginx<\/pre>\n\n\n\n
Nginx\uc5d0\uc11c\uc758 \uc124\uc815\ub3c4 \uc5b4\ub835\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.
Nginx\uc5d0\uc11c\ub294 realip module\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud574\uc8fc\uc5b4\uc57c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
nginx -V 2>&1 | grep 'http_realip_module'<\/pre>\n\n\n\n
\"\"
\ud574\ub2f9 \uc774\ubbf8\uc9c0\uc640 \uac19\uc774 \ubaa8\ub4c8\uc774 \uc874\uc7ac\ud55c\ub2e4\uba74 \uc900\ube44\ub294 \uc644\ub8cc\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n
vi \/etc\/nginx\/nginx.conf \ub85c nginx\uc758 config\ud30c\uc77c\uc744 \uc544\ub798\uc640 \uac19\uc774 \ubcc0\uacbd\ud574\uc904 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
#    log_format  main  '$remote_addr - $remote_user [$time_local] \"$request\" '\n#                      '$status $body_bytes_sent \"$http_referer\" '\n#                      '\"$http_user_agent\" \"$http_x_forwarded_for\"';\n\n    log_format  main  '$proxy_protocol_addr - $remote_user [$time_local] \"$request\" '\n                      '$status $body_bytes_sent \"$http_referer\" '\n                      '\"$http_user_agent\" \"$http_x_forwarded_for\"';\n\n\n        proxy_set_header X-Real-IP         $proxy_protocol_addr;\n        proxy_set_header X-Forwarded-For   $proxy_protocol_addr;\n\n        server\n        { \n                root    \/usr\/share\/nginx\/html;\n                listen 80  proxy_protocol;\n                set_real_ip_from 10.0.2.0\/24;\n                real_ip_header proxy_protocol;     \n        }<\/pre>\n\n\n\n
\uae30\uc874 log_format\uc740 \uc8fc\uc11d\ucc98\ub9ac\ud558\uace0 \uadf8 \uc544\ub798\uc5d0 \uc804\ubd80 \uc0c8\ub85c \ucd94\uac00\ud55c \ub0b4\uc6a9\ub4e4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
  1. $remote_addr<\/mark>\uc744 $proxy_protocol_addr<\/mark>\ub85c \ubcc0\uacbd\ud574\uc90d\ub2c8\ub2e4.<\/li>
  2. proxy_set_header\uc744 \ucd94\uac00\ud574\uc90d\ub2c8\ub2e4.<\/li>
  3. proxy protocol\uacfc real_ip \uc124\uc815\ub3c4 \ud574\uc90d\ub2c8\ub2e4.<\/li><\/ol>\n\n\n\n
    \uc124\uc815\uc774 \ub05d\ub09c \ub4a4 nginx\ub97c 1\ud68c \uc7ac\uc2dc\uc791\ud558\uace0 \ub85c\uadf8\ub97c \ud655\uc778\ud574\ubd05\ub2c8\ub2e4.<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    Apache\uc640 \ub3d9\uc77c\ud558\uac8c Nginx\ub3c4 Proxy LB\ub85c \uc811\uc18d\ud558\uba74 Client IP\uac00 \uadf8\ub300\ub85c \ub0a8\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
    \uc774\ub85c\uc368 LOAD BALANCER \uc0ac\uc6a9 \uc2dc\uc5d0\ub3c4 \uc6f9\uc11c\ubc84 \ub85c\uadf8\uc5d0\uc11c CLIENT IP\ub97c \ubcfc \uc218 \uc788\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.
    \uc774 \uae00\uc744 \uc77d\uc73c\uc2dc\ub294 \ubd84\ub4e4\uaed8\uc11c\ub3c4 \ud574\ub2f9 \ud3ec\uc2a4\ud305\uc744 \ucc38\uace0\ud558\uc5ec \uc11c\ubc84\uc5d0\uc11c Client IP\uac00 \ubcf4\uc774\ub3c4\ub85d \uc124\uc815\ud574\ubcf4\uc2dc\ub294 \uac74 \uc5b4\ub5a0\uc2e0\uac00\uc694?<\/p>\n\n\n\n
    \uc6f9 \ub85c\uadf8\uc5d0\uc11c Client IP\ub97c \ud655\uc778\ud558\ub294 \uc77c\uc740 \uaf64 \ub9ce\uc740 \uac83\uac19\uc2b5\ub2c8\ub2e4.
    \uac00\ub054 MaxClients \uc124\uc815\uc774 \ub0ae\uc9c0\uc54a\uc740\ub370 MaxClients \uc218\uce58\ubcf4\ub2e4 \ub9ce\uc740 \ud504\ub85c\uc138\uc2a4\ub85c \uc778\ud574 \ud655\uc778\uc744 \ud574\ubcf4\uba74 \ud2b9\uc815 IP\uac00 ESTABLISHED\uc640 CLOSE_WAIT \uc744 \ubc18\ubcf5\ud558\uc5ec \ub300\ub7c9\uc758 CLOSE_WAIT\ub97c \ub0a8\uaca8 MaxClients\uac00 \uc21c\uc2dd\uac04\uc5d0 \ub298\uc5b4\ub098\ub294 \uac83\uc744 \ub9ce\uc774 \ubcf4\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
    \uadf8 \ud2b9\uc815 IP\ub97c log\ud30c\uc77c\uc5d0\uc11c \uc5ec\ub7ec \uba85\ub839\uc5b4\uc640 \uc870\ud569\ud558\uc5ec wc -l \ub85c \ubf51\uc544\ub0b4\uba74 \uacf5\uaca9\uc131 \ubc0f \uc774\uc0c1 \uc811\uadfc\uc73c\ub85c \uc758\uc2ec\ub418\ub294 \uc811\uadfc\uc744 \ube60\ub974\uac8c \ud310\ub2e8\ud558\uace0 \ucc28\ub2e8 \/ \uc870\uce58 \ud560 \uc218 \uc788\uac8c\ub418\ub294 \uac83 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
    \ud574\ub2f9 \ud3ec\uc2a4\ud305\uc740 \uc5ec\uae30\uc11c \ub9c8\ubb34\ub9ac\ud574\ubcf4\ub824 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
    \uae34 \uae00 \uc77d\uc5b4\uc8fc\uc154\uc11c \uac10\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
    \uc548\ub155\ud558\uc138\uc694. ManVSCloud \uae40\uc218\ud604\uc785\ub2c8\ub2e4. \uc624\ub298\uc740 Naver Cloud Platform\uc5d0\uc11c LOAD BALANCER \uc0ac\uc6a9 \uc2dc\uc5d0 \uc6f9\uc11c\ubc84 \ub0b4 \ub85c\uadf8\uc5d0 \ucc0d\ud788\ub294 IP\uac00 Client IP\uac00 \ucc0d\ud788\ub3c4\ub85d \uc124\uc815\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ud3ec\uc2a4\ud305 \ud558\uaca0\uc2b5\ub2c8\ub2e4. HTTP \ud5e4\ub354 \uc911 \ud558\ub098\uc778 X-Forwarded-For\ub97c \uc774\uc6a9\ud558\ub294 \ubc29\ubc95\uacfc \uac01 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \ubaa8\ub4c8\uc744 \uc774\uc6a9\ud558\uc5ec Client IP\ub97c \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95 \ub450 \uac00\uc9c0\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8 \uae30\ubcf8 \uc138\ud305 \uc800\ub294 VPC \ud658\uacbd\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ub97c \uc9c4\ud589\ud558\uc600\uc2b5\ub2c8\ub2e4. (Classic\ub3c4 \ub3d9\uc77c\ud55c \ubc29\ubc95\uc73c\ub85c \uac00\ub2a5\ud569\ub2c8\ub2e4.) centos-7.8-64\ub85c \uc0dd\uc131\ud574\uc8fc\uc5c8\uc2b5\ub2c8\ub2e4.\uc11c\ubc84 \uc0dd\uc131 \ud6c4 Apache\ub97c \uc124\uce58\ud569\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8 \uc900\ube44\ub294 \ub05d\ub0ac\uc2b5\ub2c8\ub2e4.\uc774\uc81c LB\uac00 \uc5c6\uc744 \ub54c, X-Forwarded-For\ub97c \uc0ac\uc6a9\ud560 \ub54c, \uac01 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud560 \ub54c\uc5d0 \ub300\ud574\uc11c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. Load Balancer\uac00 \uc5c6\uc744 \ub54c \uc6b0\uc120 Load Balancer\uac00 \uc5c6\uc744 \ub54c \ud574\ub2f9 \uc11c\ubc84\ub85c \uc811\uadfc \ud560 \uacbd\uc6b0 \uc815\uc0c1\uc801\uc73c\ub85c Client IP\uac00 \ucc0d\ud799\ub2c8\ub2e4.(Client – Server) Load Balancer\ub97c \ucd94\uac00\ud588\uc744 \ub54c Load Balancer\ub97c \ucd94\uac00\ud558\uac8c\ub418\uba74 \uc704\uc640 \uac19\uc774 Client IP\uac00 \uc544\ub2cc LB\uc758 \uc0ac\uc124 IP\uac00 \ucc0d\ud788\uac8c \ub429\ub2c8\ub2e4.(Client – LB – Server) \uc774\uc81c LB\uac00 \uc788\ub294 \uc0c1\ud0dc\uc5d0\uc11c Client IP\ub97c \ubcfc \uc218 \uc788\ub3c4\ub85d \uc124\uc815\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. X-Forwarded-For Apache\uc758 LogFormat\uc744 \ubcf4\uba74 \ud604\uc7ac \uc704\uc640 \uac19\uc774 \ub418\uc5b4\uc788\uc2b5\ub2c8\ub2e4.\uc774 LogFormat\uc744 \uc870\uae08 \ubcc0\uacbd\ud574\uc904 \uac83\uc785\ub2c8\ub2e4. vi \/etc\/httpd\/conf\/httpd.conf \ub97c \uc774\uc6a9\ud558\uc5ec 196 \ub77c\uc778\uc5d0 LogFormat\uc744 \uc544\ub798\uc640 \uac19\uc774 \ubcc0\uacbd \ud574\uc8fc\uaca0\uc2b5\ub2c8\ub2e4. \uae30\uc874 LogFormat \uac00\uc7a5 \uc55e\ubd80\ubd84\uc5d0 %{X-Forwarded-For}i \uc744 \ucd94\uac00\ud574\uc900 \uac83\uc785\ub2c8\ub2e4.\uc774\ub97c \ucd94\uac00\ud574\uc900 \ub4a4\uc5d0 Apache \uc7ac\uc2dc\uc791 1\ud68c \uc9c4\ud589 \ud6c4 \ub2e4\uc2dc \ud55c \ubc88 \ub85c\uadf8\ub97c \ud655\uc778\ud574\ubcf4\uba74 Client IP\uac00 \ucc0d\ud788\uac8c \ub429\ub2c8\ub2e4. \uc774 \uc124\uc815\uc740 Apache \ubfd0\ub9cc \uc544\ub2c8\ub77c Nginx, Tomcat\uc5d0\uc11c\ub3c4 \ub2f9\uc5f0\ud788 \uc124\uc815\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.\uc544\ub798 \ub9c1\ud06c\ub97c \ucc38\uace0\ud558\uba74 \uc88b\uc744\ub4ef\ud569\ub2c8\ub2e4. Network Proxy Load Balancer \uc774\uc81c Apache\uc640 Nginx\uc5d0 \ubaa8\ub4c8\uc744 \ucd94\uac00\ud558\uc5ec Client IP \uc2dd\ubcc4\ud558\ub294 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[190,200,196,195,199,188,87,91,17,90,16,192,191,189,197,89,88,193,194,198,201],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/posts\/697"}],"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=697"}],"version-history":[{"count":2,"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/posts\/697\/revisions"}],"predecessor-version":[{"id":1944,"href":"https:\/\/manvscloud.com\/index.php?rest_route=\/wp\/v2\/posts\/697\/revisions\/1944"}],"wp:attachment":[{"href":"https:\/\/manvscloud.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/manvscloud.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/manvscloud.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}