Authentification forwarding with ssh on f15

Wed May 4 15:53:41 UTC 2011

Le 04/05/2011 17:39, James Laska a écrit :

> doesn't like the permissions of a file in $HOME/.ssh/ or something else?

Permissions seems ok as direct ssh works... (.ssh is 700, id_dsa is 600)

> Maybe add a few verbose options (-v) to the ssh command.  See what if it

Here is (one with -v on first server, one with -v on second server)

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$ ssh -A box ssh -v lind hostname

OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Applying options for lind
debug1: Connecting to lind [195.83.130.94] port 110.
debug1: Connection established.
debug1: identity file /home/remi/.ssh/identity type -1
debug1: identity file /home/remi/.ssh/id_rsa type -1
debug1: identity file /home/remi/.ssh/id_dsa type -1
debug1: loaded 3 keys
debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3
debug1: match: OpenSSH_4.3 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_4.3
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: Host 'lind' is known and matches the RSA host key.
debug1: Found key in /home/remi/.ssh/known_hosts:2
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
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
Unknown code krb5 195

debug1: Unspecified GSS failure.  Minor code may provide more information
Unknown code krb5 195

debug1: Next authentication method: publickey
debug1: Trying private key: /home/remi/.ssh/identity
debug1: Trying private key: /home/remi/.ssh/id_rsa
debug1: Trying private key: /home/remi/.ssh/id_dsa
debug1: Next authentication method: password
debug1: read_passphrase: can't open /dev/tty: No such device or address
debug1: Authentications that can continue:
publickey,gssapi-with-mic,password
Permission denied, please try again.
debug1: read_passphrase: can't open /dev/tty: No such device or address
debug1: Authentications that can continue:
publickey,gssapi-with-mic,password
Permission denied, please try again.
debug1: read_passphrase: can't open /dev/tty: No such device or address
debug1: Authentications that can continue:
publickey,gssapi-with-mic,password
debug1: No more authentication methods to try.
Permission denied (publickey,gssapi-with-mic,password).

-----------------------------------------------------------------------
$ ssh -A -v  box ssh lind hostname

OpenSSH_5.6p1, OpenSSL 1.0.0d-fips 8 Feb 2011
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to box [88.191.74.232] port 22.
debug1: Connection established.
debug1: identity file /home/remi/.ssh/id_rsa type -1
debug1: identity file /home/remi/.ssh/id_rsa-cert type -1
debug1: identity file /home/remi/.ssh/id_dsa type -1
debug1: identity file /home/remi/.ssh/id_dsa-cert type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3
debug1: match: OpenSSH_4.3 pat OpenSSH_4*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.6
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: Host 'box' is known and matches the RSA host key.
debug1: Found key in /home/remi/.ssh/known_hosts:7
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
Credentials cache file '/tmp/krb5cc_500' not found

debug1: Unspecified GSS failure.  Minor code may provide more information
Credentials cache file '/tmp/krb5cc_500' not found

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

debug1: Next authentication method: publickey
debug1: Trying private key: /home/remi/.ssh/id_rsa
debug1: Trying private key: /home/remi/.ssh/id_dsa
debug1: read PEM private key done: type DSA
debug1: Authentication succeeded (publickey).
Authenticated to box ([88.191.74.232]:22).
debug1: channel 0: new [client-session]
debug1: Entering interactive session.
debug1: Requesting authentication agent forwarding.
debug1: Sending environment.
debug1: Sending env XMODIFIERS = @im=none
debug1: Sending env LANG = fr_FR.UTF-8
debug1: Sending command: ssh lind hostname
debug1: client_input_channel_open: ctype auth-agent at openssh.com rchan 2
win 65536 max 16384
debug1: channel 1: new [authentication agent connection]
debug1: confirm auth-agent at openssh.com
Permission denied, please try again.
debug1: channel 1: FORCE input drain
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
Permission denied, please try again.
Permission denied (publickey,gssapi-with-mic,password).
debug1: channel 0: free: client-session, nchannels 2
debug1: channel 1: free: authentication agent connection, nchannels 1
Transferred: sent 2128, received 1912 bytes, in 0.4 seconds
Bytes per second: sent 5522.5, received 4961.9
debug1: Exit status 255

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