WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED

공유키 충돌 문제 발생

□ 원인

▶ 개인 pc의 OS 재설치 후 서버에 있는 데이터를 scp할때 기존 접속 관련 정보가 남아 있는 상태

▶ 당연히 재설치 하더라도 동일 아이피임으로 에러 발생

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that the RSA host key has just been changed. The fingerprint for the RSA key sent by the remote host is 56:eb:63:86:20:12:9a:e0:4b:80:03:3c:5b:b3:48:5b. Please contact your system administrator. Add correct host key in /home/ksu/.ssh/known_hosts to get rid of this message. Offending key in /home/ksu/.ssh/known_hosts:14 RSA host key for 192.168.0.83 has changed and you have requested strict checking. Host key verification failed. lost connection

□ 해결

ssh-keygen -R 192.168.0.83