>>783
/var/log/secureではパスワードで正常にログインできた
としか見当たりませんでした。

ssh -vvv server
〜略〜
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /home/server/user/.ssh/identity
debug3: no such identity: /home/server/user/.ssh/identity
debug1: Trying private key: /home/server/user/.ssh/id_rsa
debug3: no such identity: /home/server/user/.ssh/id_rsa
debug1: Trying private key: /home/server/user/.ssh/id_dsa
debug1: read PEM private key done: type DSA
debug3: sign_and_send_pubkey
debug2: we sent a publickey packet, wait for reply
debug3: Wrote 592 bytes for a total of 1717
debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password
debug2: we did not send a packet, disable method
debug3: authmethod_lookup password
debug3: remaining preferred: ,password
debug3: authmethod_is_enabled password
debug1: Next authentication method: password

すいません、助言をお願いします。