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zielhost: Connecting to zielhost, port 22.
zielhost: Remote version string: SSH-1.99-OpenSSH_4.4

zielhost: Remote protocol version 1.99, remote software version OpenSSH_4.4
zielhost: Net::SSH::Perl Version 1.30, protocol version 1.5.
zielhost: No compat match: OpenSSH_4.4.
zielhost: Connection established.
zielhost: Waiting for server public key.
zielhost: Received server public key (768 bits) and host key (1024 bits).
zielhost: Host 'zielhost' is known and matches the host key.
zielhost: Encryption type: DES3
zielhost: Sent encrypted session key.
zielhost: Received encryption confirmation.
zielhost: RSA authentication using agent refused.
zielhost: RSA authentication failed: Can't load public key.
zielhost: Doing challenge response authentication.