SSH syntax error Post: 302858709

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Special Forums Cybersecurity SSH syntax error Post 302858709 by j_wealleans on Tuesday 1st of October 2013 07:02:57 AM

10-01-2013

Registered User

SSH syntax error

I have been asked to look at a problem with implementing SSH on an HP-UX server which a colleague has set up. Users connect through PuTTY. When I try to establish a connection I see the following message:

Code:

 Usage: -ssh [options] host [command]
  Options:
    -l user     Log in using this user name.
    -n          Redirect input from /dev/null.
    -F config   Config file (default: ~/.ssh/config).
    -A          Enable authentication agent forwarding.
    -a          Disable authentication agent forwarding (default).
    -X          Enable X11 connection forwarding.
    -x          Disable X11 connection forwarding (default).
    -i file     Identity for public key authentication (default: ~/.ssh/identity)
    -t          Tty; allocate a tty even if command is given.
    -T          Do not allocate a tty.
    -h          Display basic help message .
    -k          Disables forwarding (delegation) of GSSAPI credentials.
    -v          Verbose; display verbose debugging messages.
                Multiple -v increases verbosity.
    -V          Display version number only.
    -q          Quiet; don't display any warning messages.
    -f          Fork into background after authentication.
    -e char     Set escape character; ``none'' = disable (default: ~).
    -c cipher   Select encryption algorithm
    -m macs     Specify MAC algorithms for protocol version 2.
    -p port     Connect to this port.  Server must be on the same port.
    -L listen-port:host:port   Forward local port to remote address
    -R listen-port:host:port   Forward remote port to local address
                These cause -ssh to listen for connections on a port, and
                forward them to the other side by connecting to host:port.
    -D port     Enable dynamic application-level port forwarding.
    -C          Enable compression.
    -Y          Enables trusted X11 forwarding.
    -M          Place ssh into master mode for connection Sharing.
    -N          Do not execute a shell or command.
    -g          Allow remote hosts to connect to forwarded ports.
    -1          Force protocol version 1.
    -2          Force protocol version 2.
    -4          Use IPv4 only.
    -6          Use IPv6 only.
    -o 'option' Process the option as if it was read from a configuration file.
    -s          Invoke command (mandatory) as SSH2 subsystem.
    -S ctl      Specifies control socket for connection sharing.
    -b addr     Local IP address.

I have tried setting up traces on the server and running PuTTY interactively from a command line but no trace information is being generated. I think the client is passing authentication but whatever command is being issued on the server to start the shell is incorrectly formed.

Can anyone please advise where I can find this command or how I can go about amending it? This is an area about which I know almost nothing.

Thank you.

Last edited by jim mcnamara; 10-01-2013 at 08:58 AM..

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psftp

psftp(1)							 PuTTY tool suite							  psftp(1)

NAME

       psftp - interactive SFTP (secure file transfer protocol) client

SYNOPSIS

       psftp [options] [user@]host

DESCRIPTION

       psftp is an interactive text-based client for the SSH-based SFTP (secure file transfer) protocol.

OPTIONS

       The command-line options supported by psftp are:

       -V     Show version information and exit.

       -pgpfp Display the fingerprints of the PuTTY PGP Master Keys and exit, to aid in verifying new files released by the PuTTY team.

       -b batchfile
	      Use specified batchfile.

       -bc    Output batchfile commands.

       -be    Don't stop batchfile processing on errors.

       -v     Show verbose messages.

       -load session
	      Load settings from saved session.

       -P port
	      Connect to port port.

       -l user
	      Set remote username to user.

       -batch Disable interactive prompts.

       -pw password
	      Set  remote  password to password. CAUTION: this will likely make the password visible to other users of the local machine (via com-
	      mands such as `w').

       -1     Force use of SSH protocol version 1.

       -2     Force use of SSH protocol version 2.

       -C     Enable SSH compression.

       -i path
	      Private key file for authentication.

COMMANDS

       For a list of commands available inside psftp, type help at the psftp> prompt.

MORE INFORMATION

       For more information on psftp it's probably best to go and look at the manual on the PuTTY web page:

       http://www.chiark.greenend.org.uk/~sgtatham/putty/

BUGS

       This man page isn't terribly complete. See the above web link for better documentation.

PuTTY tool suite						    2004-03-24								  psftp(1)