SSH 키 쌍을 사용할 수 있는지 어떻게 알 수 있나요?

성공적으로 실행된 후 빌드 스크립트는 명령을 사용하여 최종 바이너리를 FTP 서버에 복사하려고 시도합니다 scp. 빌드하는 데 시간이 좀 걸리기 때문에 매번 비밀번호를 묻는 것이 싫기 때문에 SSH 키 쌍을 설정해 보았습니다.

[wbarlow@build-machine]$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/wbarlow/.ssh/id_rsa): 
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /home/wbarlow/.ssh/id_rsa.
Your public key has been saved in /home/wbarlow/.ssh/id_rsa.pub.
The key fingerprint is:
7f:b9:c7:a8:1b:77:ce:f8:b6:2a:e3:da:30:68:72:b7 wbarlow@build-machine

[wbarlow@build-machine]$ ssh-copy-id wbarlow@ftp-server
wbarlow@ftp-server's password: 
Now try logging into the machine, with "ssh 'wbarlow@ftp-server'", and check in:

  ~/.ssh/authorized_keys

to make sure we haven't added extra keys that you weren't expecting.

그런 다음 FTP 서버에 로그인을 시도했지만 여전히 비밀번호를 묻는 메시지가 표시되었습니다. 새로 생성된 키가 존재하는 것을 확인했습니다.

[wbarlow@build-machine]$ ssh wbarlow@ftp-server
wbarlow@ftp-server's password: 

[wbarlow@ftp-server]$ cat ~/.ssh/authorized_keys
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGUbr4vUeiY7D6sSrsHm469QAqCClchL
7h/HZ7TAc+1F2KsTTF078OSINqzz8NpKJqhlEusLn644PzYn9LmGTIc7IsMG9s+B2n4bZX
9Ypb0VqLSqTgfE2I0j84+SfAQ6MvGJQ0NupIXxXbaMLDlNq1cetnR8NeN+9JeBq4sI8p/a
ijFVARQ7/XSKwQQN30Nl6flTEM1CTDECJs5YsPOu3P54mF6PG2mBdFra6+VQfAZ6fboq9O
d24VNHLYVtUdK5RpWgx8agUalov0xq/3m2VeC5arrYpCVH1rGx6EMxoQS25kk7t9mzBUCj
ulXGWQX2DPR/Em0OIfvVfe/l4xtFfH wbarlow@build-machine

공개 키를 사용하여 다른 컴퓨터(예: 내 Git 저장소 호스트)에 인증할 수 있으므로 클라이언트에 문제가 있는 것 같지 않습니다.

그렇다면 FTP 서버가 인증된 키를 허용하도록 구성되었는지, 그리고 어떤 유형의 키를 허용하도록 구성되었는지 어떻게 확인합니까? 키가 예상 위치에 저장되어 있는지 어떻게 확인할 수 있나요? (ftp 서버의 홈 디렉터리는 이지만 거기에서 폴더를 복사해보려고 /var/ftp/wbarlow/도 했습니다 .).ssh/home/wbarlow/

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내 .ssh디렉터리는 모드 700이고 내 authorized_keys파일은 모드 600입니다. 또한 755를 .ssh디렉토리 로 사용해 보았습니다 .

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/etc/ssh/sshd_configFTP 서버에서 내 파일을 찾았습니다 . 전체 내용을 게시하지는 않지만 다음 줄이 있습니다.

RSAAuthentication yes
PubkeyAuthentication yes
AuthorizedKeysFile      .ssh/authorized_keys

# To disable tunneled clear text passwords, change to no here!
#PasswordAuthentication yes
#PermitEmptyPasswords no
PasswordAuthentication yes

# Change to no to disable s/key passwords
#ChallengeResponseAuthentication yes
ChallengeResponseAuthentication no

내가 아는 한문서, 나는 이 줄이 내가 하고 싶은 일에 맞게 올바르게 설정되었다고 생각합니다(s/key는 ssh 키 쌍과 아무 관련이 없습니다. 그렇죠?).

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아래는 연결 시의 상세 출력입니다.

[wbarlow@build-machine]:~$ ssh -v wbarlow@ftp-server
OpenSSH_6.1p1 Debian-4, OpenSSL 1.0.1c 10 May 2012
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug1: Connecting to ftp-server [(ip hidden)] port 22.
debug1: Connection established.
debug1: identity file /home/wbarlow/.ssh/id_rsa type 1
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048
debug1: identity file /home/wbarlow/.ssh/id_rsa-cert type -1
debug1: identity file /home/wbarlow/.ssh/id_dsa type -1
debug1: identity file /home/wbarlow/.ssh/id_dsa-cert type -1
debug1: identity file /home/wbarlow/.ssh/id_ecdsa type -1
debug1: identity file /home/wbarlow/.ssh/id_ecdsa-cert type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1
debug1: match: OpenSSH_5.1 pat OpenSSH_5*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.1p1 Debian-4
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Server host key: RSA [SNIP]
debug1: Host 'ftp-server' is known and matches the RSA host key.
debug1: Found key in /home/wbarlow/.ssh/known_hosts:1
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,gssapi-with-mic,password
debug1: Next authentication method: gssapi-with-mic
debug1: Unspecified GSS failure.  Minor code may provide more information
Cannot determine realm for numeric host address

debug1: Unspecified GSS failure.  Minor code may provide more information
Cannot determine realm for numeric host address

debug1: Unspecified GSS failure.  Minor code may provide more information


debug1: Unspecified GSS failure.  Minor code may provide more information
Cannot determine realm for numeric host address

debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/wbarlow/.ssh/id_rsa
debug1: Authentications that can continue: publickey,gssapi-with-mic,password
debug1: Trying private key: /home/wbarlow/.ssh/id_dsa
debug1: Trying private key: /home/wbarlow/.ssh/id_ecdsa
debug1: Next authentication method: password
wbarlow@ftp-server's password: