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  1. 08-28-2006, 02:01 PM #11
    brian
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    Try to ssh with -v. This will usually give you more of a hint to why it doesn't like the keys or other authentication mechanisms.
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  2. 08-28-2006, 02:17 PM #12
    gmsmith
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    Quote Originally Posted by brian
    Try to ssh with -v. This will usually give you more of a hint to why it doesn't like the keys or other authentication mechanisms.

    zimbra@zimbra:~/.ssh> ssh -v host.name.com
    OpenSSH_4.2p1, OpenSSL 0.9.8a 11 Oct 2005
    debug1: Reading configuration data /etc/ssh/ssh_config
    debug1: Applying options for *
    debug1: Connecting to host.name.com [xxx.xxx.xxx.xxx] port 22.
    debug1: Connection established.
    debug1: identity file /opt/zimbra/.ssh/identity type -1
    debug1: identity file /opt/zimbra/.ssh/id_rsa type -1
    debug1: identity file /opt/zimbra/.ssh/id_dsa type -1
    debug1: Remote protocol version 1.99, remote software version OpenSSH_4.2
    debug1: match: OpenSSH_4.2 pat OpenSSH*
    debug1: Enabling compatibility mode for protocol 2.0
    debug1: Local version string SSH-2.0-OpenSSH_4.2
    debug1: SSH2_MSG_KEXINIT sent
    debug1: SSH2_MSG_KEXINIT received
    debug1: kex: server->client aes128-cbc hmac-md5 none
    debug1: kex: client->server aes128-cbc 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
    The authenticity of host 'host.name.com (xxx.xxx.xxx.xxx)' can't be established.
    RSA key fingerprint is 1d:6e:94:62:56:ca:a6:02:8c:da:10:01:df:db:41:10.
    Are you sure you want to continue connecting (yes/no)? yes
    Warning: Permanently added 'host.name.com,xxx.xxx.xxx.xxx' (RSA) to the list of known hosts.
    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,keyboard-interactive
    debug1: Next authentication method: publickey
    debug1: Trying private key: /opt/zimbra/.ssh/identity
    debug1: Trying private key: /opt/zimbra/.ssh/id_rsa
    debug1: Trying private key: /opt/zimbra/.ssh/id_dsa
    debug1: Next authentication method: keyboard-interactive
    Password:
    ---------

    What am I missing?
    http://perceiva.com
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  3. 08-28-2006, 02:35 PM #13
    brian
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    When testing ssh by hand you need to specifically tell it the key to use.

    ssh -v -i /opt/zimbra/.ssh/zimbra_identity zimbra@host.name.com
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  4. 08-28-2006, 03:04 PM #14
    gmsmith
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    Quote Originally Posted by brian
    When testing ssh by hand you need to specifically tell it the key to use.

    ssh -v -i /opt/zimbra/.ssh/zimbra_identity zimbra@host.name.com
    Sorry

    zimbra:~ # ssh -v -i /opt/zimbra/.ssh/zimbra_identity zimbra@host.name.com
    OpenSSH_4.2p1, OpenSSL 0.9.8a 11 Oct 2005
    debug1: Reading configuration data /etc/ssh/ssh_config
    debug1: Applying options for *
    debug1: Connecting to host.name.com [xxx.xxx.xxx.xxx] port 22.
    debug1: Connection established.
    debug1: permanently_set_uid: 0/0
    debug1: identity file /opt/zimbra/.ssh/zimbra_identity type 2
    debug1: Remote protocol version 1.99, remote software version OpenSSH_4.2
    debug1: match: OpenSSH_4.2 pat OpenSSH*
    debug1: Enabling compatibility mode for protocol 2.0
    debug1: Local version string SSH-2.0-OpenSSH_4.2
    debug1: SSH2_MSG_KEXINIT sent
    debug1: SSH2_MSG_KEXINIT received
    debug1: kex: server->client aes128-cbc hmac-md5 none
    debug1: kex: client->server aes128-cbc 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 'host.name.com' is known and matches the RSA host key.
    debug1: Found key in /root/.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,keyboard-interactive
    debug1: Next authentication method: publickey
    debug1: Offering public key: /opt/zimbra/.ssh/zimbra_identity
    debug1: Remote: Forced command: /opt/zimbra/libexec/zmrcd
    debug1: Server accepts key: pkalg ssh-dss blen 433
    debug1: read PEM private key done: type DSA
    debug1: Remote: Forced command: /opt/zimbra/libexec/zmrcd
    Connection closed by host.name.com
    http://perceiva.com
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  5. 08-28-2006, 04:04 PM #15
    marcmac
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    debug1: Remote: Forced command: /opt/zimbra/libexec/zmrcd
    debug1: Server accepts key: pkalg ssh-dss blen 433
    debug1: read PEM private key done: type DSA
    debug1: Remote: Forced command: /opt/zimbra/libexec/zmrcd

    That almost looks like the execution of zmrcd on the target box is failing - can you run that by hand as the zimbra user?
    Bugzilla - Wiki - Downloads - Before posting... Search!
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  6. 08-28-2006, 04:34 PM #16
    brian
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    You should be seeing something like this when you ssh by hand, it should also hang waiting on input.

    debug1: Remote: Forced command: /opt/zimbra/libexec/zmrcd
    debug1: Authentication succeeded (publickey).
    debug1: channel 0: new [client-session]
    debug1: Entering interactive session.

    The only other thing I can think of is because you have your server configured for both ssh protocol 1 and 2 you may want to ensure that protocol 2 is listed first. Or just loose the protocol 1 support all together.

    I don't believe the Java ssh client that is being used supports protocol 1.
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  7. 10-03-2006, 08:14 PM #17
    illscientific
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    Did anyone ever figure this out? I'm having the same issue.
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  8. 10-04-2006, 08:57 AM #18
    illscientific
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    zimbra@chamber:~/libexec$ ssh -v -i /opt/zimbra/.ssh/zimbra_identity zimbra@mail.networks.com
    OpenSSH_3.8.1p1 Debian-8.sarge.4, OpenSSL 0.9.7e 25 Oct 2004
    debug1: Reading configuration data /etc/ssh/ssh_config
    debug1: Connecting to mail.networks.com [209.9.228.67] port 22.
    debug1: Connection established.
    debug1: identity file /opt/zimbra/.ssh/zimbra_identity type 2
    debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3p2 Debian-3
    debug1: match: OpenSSH_4.3p2 Debian-3 pat OpenSSH*
    debug1: Enabling compatibility mode for protocol 2.0
    debug1: Local version string SSH-2.0-OpenSSH_3.8.1p1 Debian-8.sarge.4
    debug1: SSH2_MSG_KEXINIT sent
    debug1: SSH2_MSG_KEXINIT received
    debug1: kex: server->client aes128-cbc hmac-md5 none
    debug1: kex: client->server aes128-cbc 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 'mail.networks.com' is known and matches the RSA host key.
    debug1: Found key in /opt/zimbra/.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: SSH2_MSG_SERVICE_REQUEST sent
    debug1: SSH2_MSG_SERVICE_ACCEPT received
    debug1: Authentications that can continue: publickey
    debug1: Next authentication method: publickey
    debug1: Offering public key: /opt/zimbra/.ssh/zimbra_identity
    debug1: Remote: Forced command: /opt/zimbra/libexec/zmrcd
    debug1: Server accepts key: pkalg ssh-dss blen 435
    debug1: read PEM private key done: type DSA
    debug1: Remote: Forced command: /opt/zimbra/libexec/zmrcd
    Connection closed by 209.9.228.67
    zimbra@chamber:~/libexec$


    How else can I troubleshoot this... or where would this be logged as to why its kicking me out as soon as I try an ssh in...
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  9. 10-04-2006, 09:15 AM #19
    illscientific
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    When I run "/opt/zimbra/libexec/zmrcd" manually as the zimbra user it just returns me to the shell with no output and I don't see anything running in the process listing... Is there a way to enable some kind of debugging...?
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  10. 10-08-2006, 05:04 PM #20
    illscientific
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    I bet I can make this work with libpam_chroot.. Ill keep you posted
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