● X-Forwarded-For(XFF) Http Header.
● Apache Httpd 2.4 + WAS 조합 환경에서 mod_jk 가 아닌, mod_proxy 를 사용하여 WAS 와 연결하는 경우.
- WAS 에서 request.getRemoveAddr() 결과가 실제 클라이언트 IP 가 아닌 Apache Httpd 서버의 IP 로 획득된다.
- 이를 해결하기 위해 아래 2가지 작업을 해주어야 한다.
① Apache httpd 2.4 에서
XFF Header 활성화 (httpd.conf)
1) LoadModule remoteip_module modules/mod_remoteip.so 주석 해제
2) RemoteIPHeader X-Forwarded-For 라인 추가.
② WAS 의 Java 코드에서 클라이언트 아이피 획득시,
The answer of JasonW is fine.
But since apache httpd 2.4.6 there is a alternative: mod_remoteip
All what you must do is:
1. May be you must install the "mod_remoteip" package
2. Enable the module:
LoadModule remoteip_module modules/mod_remoteip.so
3. Add the following to your apache httpd config.
Note that you must add this line not into the configuration of the proxy server.
You must add this to the configuration of the proxy target httpd server (the server behind the proxy):
RemoteIPHeader X-Forwarded-For
See at http://httpd.apache.org/docs/trunk/mod/mod_remoteip.html for more informations and more options.
● 참고...
http://stackoverflow.com/questions/760283/apache-proxypass-how-to-preserve-original-ip-address
http://stackoverflow.com/questions/16558869/getting-ip-address-of-client
https://www.lesstif.com/pages/viewpage.action?pageId=20775886
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